id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
598995027b9181ada81789bf01fb8ef30d93c9dc | Analyze and fix the following issue in the Linux kernel code: soc: samsung: exynos-pmu: enable CPU hotplug support for gs101 | Problem Details:
Some additional register writes are required when hotplugging CPUs
on gs101, without these the system hangs when hotplugging.
Specifically a CPU_INFORM register needs to be programmed with
a hint value which is used by the EL3 firmware (el3mon) and the
pmu-intr-gen registers need to be programmed.
Wi... | ```diff
diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c
index c40313886a01..a77288f49d24 100644
--- a/drivers/soc/samsung/exynos-pmu.c
+++ b/drivers/soc/samsung/exynos-pmu.c
@@ -7,6 +7,7 @@
#include <linux/array_size.h>
#include <linux/arm-smccc.h>
+#include <linux/cpuhotplug.h>
#i... |
aaf02428fdd50b818c77644bc0b8a0b282ce8ea4 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: exynos: gs101: add pmu-intr-gen syscon node | Problem Details:
Add syscon node for the PMU Interrupt Generation registers.
Additionally update the exynos-pmu node to provide a phandle
to pmu-intr-gen syscon.
These registers are required for CPU hotplug to be functional.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/2025... | ```diff
diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 91cda7758020..48c691fd0a3a 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1405,6 +1405,7 @@
pmu_system_controller: system-controller... |
20adeaca8bc6a084f2610e7c89a8601c9904a0e2 | Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: Add google,gs101-pmu-intr-gen.yaml binding file | Problem Details:
Add the newly added google,gs101-pmu-intr-gen.yaml file to the
Tensor section.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250506-contrib-pg-cpu-hotplug-suspend2ram-fixes-v1-v4-3-9f64a2657316@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlows... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index 96b827049501..0e3970a0214d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10080,6 +10080,7 @@ L: linux-samsung-soc@vger.kernel.org
S: Maintained
C: irc://irc.oftc.net/pixel6-kernel-dev
F: Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
+F: Document... |
83b66cdb5d5b6aa4ed1f085b3b2f917af0c2890b | Analyze and fix the following issue in the Linux kernel code: dt-bindings: soc: samsung: exynos-pmu: gs101: add google,pmu-intr-gen phandle | Problem Details:
gs101 requires access to the pmu interrupt generation register region
which is exposed as a syscon. Update the exynos-pmu bindings documentation
to reflect this.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore... | ```diff
diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
index 204da6fe458d..3109df43d502 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.ya... |
0475b0d8a1e0f80a47536dfb19c28dc4bb6adc05 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: soc: google: Add gs101-pmu-intr-gen binding documentation | Problem Details:
Add bindings documentation for the Power Management Unit (PMU) interrupt
generator.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250506-contrib-pg-cpu-hotplug-suspend2ram-fixes-v1-v4-1-9f64a2... | ```diff
diff --git a/Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.yaml b/Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.yaml
new file mode 100644
index 000000000000..2be022ca6a7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.... |
b5fcb6898202858ae8425bf0cd9cb5704735bd02 | Analyze and fix the following issue in the Linux kernel code: genirq: Ensure flags in lock guard is consistently initialized | Problem Details:
After the conversion to locking guards within the interrupt core code,
several builds with clang show the "Interrupts were enabled early"
WARN() in start_kernel() on boot.
In class_irqdesc_lock_constructor(), _t.flags is initialized via
__irq_get_desc_lock() within the _t initializer list. However, th... | ```diff
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index bd2db6ebb98e..476a20fd9bfc 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -176,10 +176,10 @@ __DEFINE_UNLOCK_GUARD(irqdesc_lock, struct irq_desc,
static inline class_irqdesc_lock_t class_irqdesc_lock_constructor(unsigned in... |
678927c0c96bc94043d73526def00a73371c46d0 | Analyze and fix the following issue in the Linux kernel code: Documentation: fix typo in root= kernel parameter description | Problem Details:
Fixes a typo in the root= parameter description, changing
"this a a" to "this is a".
Fixes: c0c1a7dcb6f5 ("init: move the nfs/cifs/ram special cases out of name_to_dev_t")
Signed-off-by: Petr Vaněk <arkamar@atlas.cz>
Link: https://lore.kernel.org/20250512110827.32530-1-arkamar@atlas.cz
Reviewed-by: Ch... | ```diff
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 76e538c77e31..a82f30012fee 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6253,7 +6253,7 @@
port and the regular usb co... |
7e9f0cc24bb6a2121a6abaef401d429f94ea2e8b | Analyze and fix the following issue in the Linux kernel code: drm/i915: add generic read/write functions for VLV IOSF SB | Problem Details:
The read/write functions will be helpful for rewriting the unit specific
functions.
v2: Fix checkpatch complaint on indent
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/babe42609c7a2056aff301320efbda534d20ad82.1747061743.git.jani.nikula@intel.com
Signed-of... | ```diff
diff --git a/drivers/gpu/drm/i915/vlv_iosf_sb.c b/drivers/gpu/drm/i915/vlv_iosf_sb.c
index 91703c6c478c..aaed876a1f2e 100644
--- a/drivers/gpu/drm/i915/vlv_iosf_sb.c
+++ b/drivers/gpu/drm/i915/vlv_iosf_sb.c
@@ -123,6 +123,79 @@ static int vlv_sideband_rw(struct drm_i915_private *i915,
return err;
}
+static... |
30f62b92e632d13420381f54210ad9d84d79b209 | Analyze and fix the following issue in the Linux kernel code: mm/gup: remove unnecessary check in memfd_pin_folios() | Problem Details:
Patch series "mm/gup: Cleanup memfd_pin_folios()".
A couple straightforward cleanups to memfd_pin_folios() found through code
inspection. Saves 124 bytes of kernel text overall and makes the code
more readable.
This patch (of 2):
Commit 89c1905d9c14 ("mm/gup: introduce memfd_pin_folios() for pinni... | ```diff
diff --git a/mm/gup.c b/mm/gup.c
index 91bbf57579f0..e6e2a9386850 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -3590,7 +3590,7 @@ long memfd_pin_folios(struct file *memfd, loff_t start, loff_t end,
{
unsigned int flags, nr_folios, nr_found;
unsigned int i, pgshift = PAGE_SHIFT;
- pgoff_t start_idx, end_idx, nex... |
dd309bfc68efc4522b4d33a95e92afff249e103b | Analyze and fix the following issue in the Linux kernel code: mm, swap: remove no longer used swap mapping helper | Problem Details:
This helper existed to fix the circular header dependency issue but it is
no longer used since commit 0d40cfe63a2f ("fs: remove
folio_file_mapping()"), remove it.
Link: https://lkml.kernel.org/r/20250430181052.55698-7-ryncsn@gmail.com
Signed-off-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Matthe... | ```diff
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 5d66786867eb..d2ced9920992 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -533,7 +533,6 @@ static inline void filemap_nr_thps_dec(struct address_space *mapping)
}
struct address_space *folio_mapping(struct folio *);
... |
7d0f0f06153116bb737eef76d47406639e161613 | Analyze and fix the following issue in the Linux kernel code: mm: move folio_index to mm/swap.h and remove no longer needed helper | Problem Details:
There are no remaining users of folio_index() outside the mm subsystem.
Move it to mm/swap.h to co-locate it with swap_cache_index(), eliminating
a forward declaration, and a function call overhead.
Also remove the helper that was used to fix circular header dependency
issue.
Link: https://lkml.kern... | ```diff
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index b2c2ff8de046..5d66786867eb 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -884,26 +884,6 @@ static inline struct page *grab_cache_page_nowait(struct address_space *mapping,
mapping_gfp_mask(mapping));
}
-extern pg... |
2b80f633c360ce3c56a7071782eae70852c8f344 | Analyze and fix the following issue in the Linux kernel code: filemap: do not use folio_contains for swap cache folios | Problem Details:
Currently, none of the folio_contains callers should encounter swap cache
folios.
For fs/ callers, swap cache folios are never part of their workflow.
For filemap and truncate, folio_contains is only used for sanity checks to
verify the folio index matches the expected lookup / invalidation target.
... | ```diff
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index af25fb640463..b2c2ff8de046 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -935,14 +935,14 @@ static inline struct page *folio_file_page(struct folio *folio, pgoff_t index)
* @folio: The folio.
* @index: The page inde... |
f1c2bca2677b78c66edd1db010fd79d4a08e7146 | Analyze and fix the following issue in the Linux kernel code: xarray: fix kerneldoc for __xa_cmpxchg | Problem Details:
Fix the documentation for __xa_cmpxchg to actually describe the
cmpxch-like semantics correctly, based on the version for xa_cmpxchg.
Link: https://lkml.kernel.org/r/20250507051656.3900864-1-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Sign... | ```diff
diff --git a/lib/xarray.c b/lib/xarray.c
index 9644b18af18d..76dde3a1cacf 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -1742,20 +1742,23 @@ static inline void *__xa_cmpxchg_raw(struct xarray *xa, unsigned long index,
void *old, void *entry, gfp_t gfp);
/**
- * __xa_cmpxchg() - Store this entry in the ... |
5ec56c1cb651eb70ab2cfc92264c82c3a6d584dc | Analyze and fix the following issue in the Linux kernel code: docs/mm/damon/design: fix spelling mistake | Problem Details:
The word accuracy was misspelled as "accruracy".
Signed-off-by: Thushara.M.S <thusharms@gmail.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> | ```diff
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 728bf5754343..ddc50db3afa4 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -54,7 +54,7 @@ monitoring are address-space dependent.
DAMON consolidates these implementations in a laye... |
6c36ac1e124f1be97cf0485a220865fce5a2020d | Analyze and fix the following issue in the Linux kernel code: mm: establish mm/vma_exec.c for shared exec/mm VMA functionality | Problem Details:
Patch series "move all VMA allocation, freeing and duplication logic to
mm", v3.
Currently VMA allocation, freeing and duplication exist in kernel/fork.c,
which is a violation of separation of concerns, and leaves these functions
exposed to the rest of the kernel when they are in fact internal
impleme... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index eb5a8c791f01..836105023495 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8840,6 +8840,7 @@ F: include/linux/elf.h
F: include/uapi/linux/auxvec.h
F: include/uapi/linux/binfmts.h
F: include/uapi/linux/elf.h
+F: mm/vma_exec.c
F: tools/testing/selftests/exec/
N: as... |
906d7ce3b59d62cf017ca602a0dfcb29413b8872 | Analyze and fix the following issue in the Linux kernel code: jfs: implement migrate_folio for jfs_metapage_aops | Problem Details:
Add the missing migrate_folio operation to jfs_metapage_aops to fix
warnings during memory compaction. These warnings were introduced by
commit 7ee3647243e5 ("migrate: Remove call to ->writepage") which added
explicit warnings when filesystems don't implement migrate_folio.
System reports following w... | ```diff
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index df575a873ec6..9029cd216912 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -15,6 +15,7 @@
#include <linux/mempool.h>
#include <linux/seq_file.h>
#include <linux/writeback.h>
+#include <linux/migrate.h>
#include "jfs_incore.h"... |
86ebd50224c0734d965843260d0dc057a9431c61 | Analyze and fix the following issue in the Linux kernel code: mm: add folio_expected_ref_count() for reference count calculation | Problem Details:
Patch series " JFS: Implement migrate_folio for jfs_metapage_aops" v5.
This patchset addresses a warning that occurs during memory compaction due
to JFS's missing migrate_folio operation. The warning was introduced by
commit 7ee3647243e5 ("migrate: Remove call to ->writepage") which added
explicit wa... | ```diff
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 21dd110b6655..1d1953e37baa 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2114,6 +2114,61 @@ static inline bool folio_maybe_mapped_shared(struct folio *folio)
return test_bit(FOLIO_MM_IDS_SHARED_BITNUM, &folio->_mm_ids);
}
+/**
+ * fo... |
f60b6634cd88a749fdcd9edfeb2079c23aa05b66 | Analyze and fix the following issue in the Linux kernel code: mm/selftests: add a test to verify mmap_changing race with -EAGAIN | Problem Details:
Add an unit test to verify the recent mmap_changing ABI breakage.
Note that I used some tricks here and there to make the test simple, e.g.
I abused UFFDIO_MOVE on top of shmem with the fact that I know what I want
to test will be even earlier than the vma type check. Rich comments were
added to exp... | ```diff
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
index e8fd9011c2a3..c73fd5d455c8 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -1231,6 +1231,182 @@ static void uffd_move_pmd_split_test(uffd... |
ee43f26b49e9ddad0f06c149085343613a9d73a4 | Analyze and fix the following issue in the Linux kernel code: mm/damon/sysfs-schemes: use kmalloc_array() and size_add() | Problem Details:
It's safer to use kmalloc_array() and size_add() because it can prevent
possible overflow problem.
Link: https://lkml.kernel.org/r/20250421062423.740605-1-suhui@nfschina.com
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-f... | ```diff
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 729fe5f1ef30..c2b8a9cb44ec 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -465,7 +465,8 @@ static ssize_t memcg_path_store(struct kobject *kobj,
{
struct damon_sysfs_scheme_filter *filter = container_of(kobj,
... |
037926316c9ded1194927ee56b862e3a1450aaf3 | Analyze and fix the following issue in the Linux kernel code: mm: implement for_each_valid_pfn() for CONFIG_SPARSEMEM | Problem Details:
Implement for_each_valid_pfn() based on two helper functions.
The first_valid_pfn() function largely mirrors pfn_valid(), calling into a
pfn_section_first_valid() helper which is trivial for the !VMEMMAP case,
and in the VMEMMAP case will skip to the next subsection as needed.
Since next_valid_pfn() ... | ```diff
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 230a29c2ed1a..b19a98c20de8 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -2075,11 +2075,37 @@ static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn)
return usage ? test_bit(idx, usage->subsection... |
c609c144b0e8dbc19712ff8c8a0929be38afe58d | Analyze and fix the following issue in the Linux kernel code: kexec: add KHO parsing support | Problem Details:
When we have a KHO kexec, we get an FDT blob and scratch region to
populate the state of the system. Provide helper functions that allow
architecture code to easily handle memory reservations based on them and
give device drivers visibility into the KHO FDT and memory reservations so
they can recover ... | ```diff
diff --git a/include/linux/kexec_handover.h b/include/linux/kexec_handover.h
index 2e19004776f6..02dcfc8c427e 100644
--- a/include/linux/kexec_handover.h
+++ b/include/linux/kexec_handover.h
@@ -24,11 +24,15 @@ struct kho_serialization;
bool kho_is_enabled(void);
int kho_add_subtree(struct kho_serialization... |
4c78cc596bb8d39532f059e0198eeabf370c50f5 | Analyze and fix the following issue in the Linux kernel code: memblock: add MEMBLOCK_RSRV_KERN flag | Problem Details:
Patch series "kexec: introduce Kexec HandOver (KHO)", v8.
Kexec today considers itself purely a boot loader: When we enter the new
kernel, any state the previous kernel left behind is irrelevant and the
new kernel reinitializes the system.
However, there are use cases where this mode of operation is ... | ```diff
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index ef5a1ecc6e59..6c00fbc08513 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -42,6 +42,9 @@ extern unsigned long long max_possible_pfn;
* kernel resource tree.
* @MEMBLOCK_RSRV_NOINIT: memory region for which struct... |
d48e8d27cd61d8485ef2c1187f3048de77af2d11 | Analyze and fix the following issue in the Linux kernel code: selftests/mm: use long for dwRegionSize | Problem Details:
Change the type of 'dwRegionSize' in wp_init() and wp_free() from int to
long to match callers that pass long or unsigned long long values.
wp_addr_range function is left unchanged because it passes 'dwRegionSize'
parameter directly to pagemap_ioctl, which expects an int.
This patch does not fix any ... | ```diff
diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c
index fe5ae8b25ff6..b07acc86f4f0 100644
--- a/tools/testing/selftests/mm/pagemap_ioctl.c
+++ b/tools/testing/selftests/mm/pagemap_ioctl.c
@@ -112,7 +112,7 @@ int init_uffd(void)
return 0;
}
-int wp_init(voi... |
0ca954046c9397c652d568a87a3d4646bd3b73db | Analyze and fix the following issue in the Linux kernel code: mm/rmap: fix typo in comment in page_address_in_vma | Problem Details:
Fix a minor typo in the comment above page_address_in_vma():
"responsibililty" → "responsibility"
Link: https://lkml.kernel.org/r/20250421085729.127845-3-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Harry Yoo <harry.yo... | ```diff
diff --git a/mm/rmap.c b/mm/rmap.c
index 11f3c0fc769f..fb63d9256f09 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -774,7 +774,7 @@ static bool should_defer_flush(struct mm_struct *mm, enum ttu_flags flags)
* @vma: The VMA we need to know the address in.
*
* Calculates the user virtual address of this page in ... |
f04cc63dc7d0b7b5ce71477584377c99ba2ba4bf | Analyze and fix the following issue in the Linux kernel code: mm/rmap: rename page__anon_vma to anon_vma for consistency | Problem Details:
Patch series "mm: minor cleanups in rmap", v3.
Minor cleanups in mm/rmap.c:
- Rename a local variable for consistency
- Fix a typo in a comment
No functional changes.
This patch (of 2):
Rename local variable page__anon_vma in page_address_in_vma() to anon_vma.
The previous naming convention of us... | ```diff
diff --git a/mm/rmap.c b/mm/rmap.c
index 4992005885ef..11f3c0fc769f 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -789,13 +789,13 @@ unsigned long page_address_in_vma(const struct folio *folio,
const struct page *page, const struct vm_area_struct *vma)
{
if (folio_test_anon(folio)) {
- struct anon_vma *page_... |
b40599930f001b651cc3e1863e268dd35cbbf806 | Analyze and fix the following issue in the Linux kernel code: mm: add max swappiness arg to lru_gen for anonymous memory only | Problem Details:
The MGLRU already supports reclaiming only from anonymous memory via the
/sys/kernel/debug/lru_gen interface. Now, memory.reclaim also supports
the swappiness=max parameter to enable reclaiming solely from anonymous
memory. To unify the semantics of proactive reclaiming from anonymous
folios, the max... | ```diff
diff --git a/Documentation/admin-guide/mm/multigen_lru.rst b/Documentation/admin-guide/mm/multigen_lru.rst
index 33e068830497..9cb54b4ff5d9 100644
--- a/Documentation/admin-guide/mm/multigen_lru.rst
+++ b/Documentation/admin-guide/mm/multigen_lru.rst
@@ -151,8 +151,9 @@ generations less than or equal to ``min_g... |
8d88b0769e256c238f80615f08fc5b7aebc29439 | Analyze and fix the following issue in the Linux kernel code: mm/hugetlb: use separate nodemask for bootmem allocations | Problem Details:
Hugetlb boot allocation has used online nodes for allocation since commit
de55996d7188 ("mm/hugetlb: use online nodes for bootmem allocation").
This was needed to be able to do the allocations earlier in boot, before
N_MEMORY was set.
This might lead to a different distribution of gigantic hugepages ... | ```diff
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index a57bed83c657..23ebf49c5d6a 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -14,6 +14,7 @@
#include <linux/pgtable.h>
#include <linux/gfp.h>
#include <linux/userfaultfd_k.h>
+#include <linux/nodemask.h>
struct ctl_ta... |
7d709f49babc28907b0ac60228f522d2e6216add | Analyze and fix the following issue in the Linux kernel code: vmscan,cgroup: apply mems_effective to reclaim | Problem Details:
It is possible for a reclaimer to cause demotions of an lruvec belonging
to a cgroup with cpuset.mems set to exclude some nodes. Attempt to apply
this limitation based on the lruvec's memcg and prevent demotion.
Notably, this may still allow demotion of shared libraries or any memory
first instantiat... | ```diff
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-numa b/Documentation/ABI/testing/sysfs-kernel-mm-numa
index 77e559d4ed80..90e375ff54cb 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-numa
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-numa
@@ -16,9 +16,13 @@ Description: Enable/disable demoting p... |
6bbf0e728528addd5f9dd140b03b06438f032166 | Analyze and fix the following issue in the Linux kernel code: execmem: enforce allocation size aligment to PAGE_SIZE | Problem Details:
Before introduction of ROX cache execmem allocation size was always
implicitly aligned to PAGE_SIZE inside vmalloc.
However, when allocation happens from the ROX cache, this is not
enforced.
Make sure that the allocation size is always consistently aligned to
PAGE_SIZE.
Mike said:
: Right now it'll... | ```diff
diff --git a/mm/execmem.c b/mm/execmem.c
index e6c4f5076ca8..2b683e7d864d 100644
--- a/mm/execmem.c
+++ b/mm/execmem.c
@@ -377,6 +377,8 @@ void *execmem_alloc(enum execmem_type type, size_t size)
pgprot_t pgprot = range->pgprot;
void *p;
+ size = PAGE_ALIGN(size);
+
if (use_cache)
p = execmem_cache_a... |
09b988a3826eb758d4b36dec4a9b23c18c209b34 | Analyze and fix the following issue in the Linux kernel code: mm: fix typos in comments in mm_init.c | Problem Details:
Corrected minor typos in comments:
- 'contigious' -> 'contiguous'
- 'hierarcy' -> 'hierarchy'
This is a non-functional change in comment text only.
Link: https://lkml.kernel.org/r/20250420140440.18817-1-pvkumar5749404@gmail.com
Signed-off-by: Prabhav Kumar Vaish <pvkumar5749404@gmail.com>
Reviewed-... | ```diff
diff --git a/mm/mm_init.c b/mm/mm_init.c
index eedce9321e13..c275ae561b6f 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -828,7 +828,7 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn)
* - physical memory bank size is not necessarily the exact multiple of the
* arbitrary section size
* - e... |
82a08bde3cf7bbbe90de57baa181bebf676582c7 | Analyze and fix the following issue in the Linux kernel code: samples/damon: implement a DAMON module for memory tiering | Problem Details:
Implement a sample DAMON module that shows how self-tuned DAMON-based
memory tiering can be written. It is a sample since the purpose is to
give an idea about how it can be implemented and perform, rather than be
used on general production setups. Especially, it supports only two tiers
memory setup h... | ```diff
diff --git a/samples/Makefile b/samples/Makefile
index bf6e6fca5410..0545e6a0e84d 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -42,4 +42,5 @@ obj-$(CONFIG_SAMPLE_FPROBE) += fprobe/
obj-$(CONFIG_SAMPLES_RUST) += rust/
obj-$(CONFIG_SAMPLE_DAMON_WSSE) += damon/
obj-$(CONFIG_SAMPLE_DAMON_PRCL) += ... |
4f6f3f4fe31695cd69874457573a2236c05fef02 | Analyze and fix the following issue in the Linux kernel code: nvmet: pci-epf: improve debug message | Problem Details:
Improve the debug message of nvmet_pci_epf_create_cq() to indicate if a
completion queue IRQ is disabled.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de> | ```diff
diff --git a/drivers/nvme/target/pci-epf.c b/drivers/nvme/target/pci-epf.c
index a6ccf3fcccc2..94a908b2340e 100644
--- a/drivers/nvme/target/pci-epf.c
+++ b/drivers/nvme/target/pci-epf.c
@@ -1321,8 +1321,14 @@ static u16 nvmet_pci_epf_create_cq(struct nvmet_ctrl *tctrl,
set_bit(NVMET_PCI_EPF_Q_LIVE, &cq->fl... |
85adf2094abb9084770dc4ab302aaa9c5d26dd2d | Analyze and fix the following issue in the Linux kernel code: nvmet: pci-epf: clear completion queue IRQ flag on delete | Problem Details:
The function nvmet_pci_epf_delete_cq() unconditionally calls
nvmet_pci_epf_remove_irq_vector() even for completion queues that do not
have interrupts enabled. Furthermore, for completion queues that do
have IRQ enabled, deleting and re-creating the completion queue leaves
the flag NVMET_PCI_EPF_Q_IRQ_E... | ```diff
diff --git a/drivers/nvme/target/pci-epf.c b/drivers/nvme/target/pci-epf.c
index 7fab7f3d79b7..d5442991f2fb 100644
--- a/drivers/nvme/target/pci-epf.c
+++ b/drivers/nvme/target/pci-epf.c
@@ -1344,7 +1344,8 @@ static u16 nvmet_pci_epf_delete_cq(struct nvmet_ctrl *tctrl, u16 cqid)
cancel_delayed_work_sync(&cq... |
3d8932133dcecbd9bef1559533c1089601006f45 | Analyze and fix the following issue in the Linux kernel code: nvme-pci: acquire cq_poll_lock in nvme_poll_irqdisable | Problem Details:
We need to lock this queue for that condition because the timeout work
executes per-namespace and can poll the poll CQ.
Reported-by: Hannes Reinecke <hare@kernel.org>
Closes: https://lore.kernel.org/all/20240902130728.1999-1-hare@kernel.org/
Fixes: a0fa9647a54e ("NVMe: add blk polling support")
Signed... | ```diff
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index de084ece2136..a9390ac7211e 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1202,7 +1202,9 @@ static void nvme_poll_irqdisable(struct nvme_queue *nvmeq)
WARN_ON_ONCE(test_bit(NVMEQ_POLLED, &nvmeq->flags));
disable_i... |
40696426b8c8c4f13cf6ac52f0470eed144be4b2 | Analyze and fix the following issue in the Linux kernel code: nvme-pci: make nvme_pci_npages_prp() __always_inline | Problem Details:
The only reason nvme_pci_npages_prp() could be used as a compile-time
known result in BUILD_BUG_ON() is because the compiler was always choosing
to inline the function. Under special circumstances (sanitizer coverage
functions disabled for __init functions on ARCH=um), the compiler decided
to stop inli... | ```diff
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 2e30e9be7408..de084ece2136 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -390,7 +390,7 @@ static bool nvme_dbbuf_update_and_check_event(u16 value, __le32 *dbbuf_db,
* as it only leads to a small amount of wasted memor... |
1f450730ff39807360e96105adbec1c818905a70 | Analyze and fix the following issue in the Linux kernel code: sample/tsm-mr: Fix missing static for sample_report | Problem Details:
0day robot reports 'sample_report' can be static, fix it up.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505090938.avfIhLsl-lkp@intel.com/
Signed-off-by: Cedric Xing <cedric.xing@intel.com>
Link: https://patch.msgid.link/20250509030350.22363-1-cedric... | ```diff
diff --git a/samples/tsm-mr/tsm_mr_sample.c b/samples/tsm-mr/tsm_mr_sample.c
index f3e16301de40..a2c652148639 100644
--- a/samples/tsm-mr/tsm_mr_sample.c
+++ b/samples/tsm-mr/tsm_mr_sample.c
@@ -8,7 +8,7 @@
#include <linux/miscdevice.h>
#include <crypto/hash.h>
-struct {
+static struct {
u8 static_mr[SHA3... |
e8007fad5457ea547ca63bb011fdb03213571c7e | Analyze and fix the following issue in the Linux kernel code: scsi: sd_zbc: block: Respect bio vector limits for REPORT ZONES buffer | Problem Details:
The REPORT ZONES buffer size is currently limited by the HBA's maximum
segment count to ensure the buffer can be mapped. However, the block
layer further limits the number of iovec entries to 1024 when allocating
a bio.
To avoid allocation of buffers too large to be mapped, further restrict
the maximu... | ```diff
diff --git a/block/bio.c b/block/bio.c
index 4e6c85a33d74..4be592d37fb6 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -611,7 +611,7 @@ struct bio *bio_kmalloc(unsigned short nr_vecs, gfp_t gfp_mask)
{
struct bio *bio;
- if (nr_vecs > UIO_MAXIOV)
+ if (nr_vecs > BIO_MAX_INLINE_VECS)
return NULL;
return... |
a96876057b9e44f60d936f8e4887543555b0593c | Analyze and fix the following issue in the Linux kernel code: netlink: fix policy dump for int with validation callback | Problem Details:
Recent devlink change added validation of an integer value
via NLA_POLICY_VALIDATE_FN, for sparse enums. Handle this
in policy dump. We can't extract any info out of the callback,
so report only the type.
Fixes: 429ac6211494 ("devlink: define enum for attr types of dynamic attributes")
Reported-by: sy... | ```diff
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 82e07e272290..90a560dc167a 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -321,7 +321,13 @@ enum nla_policy_validation {
* All other Unused - but note that it's a union
*
* Meaning of `validate' field, use vi... |
6ce9348468c5a8862a036fa8534838fec2c1fabf | Analyze and fix the following issue in the Linux kernel code: net: vertexcom: mse102x: Implement flag for valid CMD | Problem Details:
After removal of the invalid command counter only a relevant debug
message is left, which can be cumbersome. So add a new flag to debugfs,
which indicates whether the driver has ever received a valid CMD.
This helps to differentiate between general and temporary receive
issues.
Signed-off-by: Stefan W... | ```diff
diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c
index 954256fddd7c..01bbcb4d540b 100644
--- a/drivers/net/ethernet/vertexcom/mse102x.c
+++ b/drivers/net/ethernet/vertexcom/mse102x.c
@@ -17,6 +17,7 @@
#include <linux/cache.h>
#include <linux/debugfs.h>
#include... |
aeb90c40ee9a8a67c5cac5445162c36586f2816c | Analyze and fix the following issue in the Linux kernel code: net: vertexcom: mse102x: Drop invalid cmd stats | Problem Details:
There are several reasons for an invalid command response
by the MSE102x:
* SPI line interferences
* MSE102x is in reset or has no firmware
* MSE102x is busy
* no packet in MSE102x receive buffer
So the counter for invalid command isn't very helpful without
further context. So drop the confusing stati... | ```diff
diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c
index 78a50a68c567..954256fddd7c 100644
--- a/drivers/net/ethernet/vertexcom/mse102x.c
+++ b/drivers/net/ethernet/vertexcom/mse102x.c
@@ -46,7 +46,6 @@
struct mse102x_stats {
u64 xfer_err;
- u64 invalid_cmd;
... |
fed56943a8ba0409570ed79b040acf75e47d676d | Analyze and fix the following issue in the Linux kernel code: net: vertexcom: mse102x: Add warning about IRQ trigger type | Problem Details:
The example of the initial DT binding of the Vertexcom MSE 102x suggested
a IRQ_TYPE_EDGE_RISING, which is wrong. So warn everyone to fix their
device tree to level based IRQ.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250... | ```diff
diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c
index e4d993f31374..78a50a68c567 100644
--- a/drivers/net/ethernet/vertexcom/mse102x.c
+++ b/drivers/net/ethernet/vertexcom/mse102x.c
@@ -8,6 +8,7 @@
#include <linux/if_vlan.h>
#include <linux/interrupt.h>
+#inc... |
a29a72866616ef670c4b050419c6753ca6b0245c | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vertexcom-mse102x: Fix IRQ type in example | Problem Details:
According to the MSE102x documentation the trigger type is a
high level.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20250509120435.43646-2-wahrenst@gmx.net
Signed-off-by: J... | ```diff
diff --git a/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml b/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
index 4158673f723c..8359de7ad272 100644
--- a/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
+++ b/Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
@... |
498625a8ab2c8e1c9ab5105744310e8d6952cc01 | Analyze and fix the following issue in the Linux kernel code: net: dsa: sja1105: discard incoming frames in BR_STATE_LISTENING | Problem Details:
It has been reported that when under a bridge with stp_state=1, the logs
get spammed with this message:
[ 251.734607] fsl_dpaa2_eth dpni.5 eth0: Couldn't decode source port
Further debugging shows the following info associated with packets:
source_port=-1, switch_id=-1, vid=-1, vbid=1
In other word... | ```diff
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index f8454f3b6f9c..f674c400f05b 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -2081,6 +2081,7 @@ static void sja1105_bridge_stp_state_set(struct dsa_switch *ds, int... |
af5f54b0ef9ef72d5fc7d57f0406372e8f317958 | Analyze and fix the following issue in the Linux kernel code: net: Lock lower level devices when updating features | Problem Details:
__netdev_update_features() expects the netdevice to be ops-locked, but
it gets called recursively on the lower level netdevices to sync their
features, and nothing locks those.
This commit fixes that, with the assumption that it shouldn't be possible
for both higher-level and lover-level netdevices to... | ```diff
diff --git a/net/core/dev.c b/net/core/dev.c
index 11da1e272ec2..0d891634c692 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10441,6 +10441,7 @@ static void netdev_sync_lower_features(struct net_device *upper,
if (!(features & feature) && (lower->features & feature)) {
netdev_dbg(upper, "Disabling ... |
cc7734e03e81dfed01156be8c698899dc42d2400 | Analyze and fix the following issue in the Linux kernel code: net: phy: dp83867: remove check of delay strap configuration | Problem Details:
The check that intended to handle "rgmii" PHY mode differently to the
RGMII modes with internal delay never worked as intended:
- added in commit 2a10154abcb7 ("net: phy: dp83867: Add TI dp83867 phy"):
logic error caused the condition to always evaluate to true
- changed in commit a46fa260f6f5 ("net... | ```diff
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index 063266cafe9c..e5b0c1b7be13 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -92,11 +92,6 @@
#define DP83867_STRAP_STS1_RESERVED BIT(11)
/* STRAP_STS2 bits */
-#define DP83867_STRAP_STS2_CLK_SKEW_TX_MASK GENMAS... |
c92d6089d8ad7d4d815ebcedee3f3907b539ff1f | Analyze and fix the following issue in the Linux kernel code: net: cadence: macb: Fix a possible deadlock in macb_halt_tx. | Problem Details:
There is a situation where after THALT is set high, TGO stays high as
well. Because jiffies are never updated, as we are in a context with
interrupts disabled, we never exit that loop and have a deadlock.
That deadlock was noticed on a sama5d4 device that stayed locked for days.
Use retries instead o... | ```diff
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 1fe8ec37491b..e1e8bd2ec155 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -997,22 +997,15 @@ static void macb_update_stats(struct macb *bp)
static in... |
c61bcd29eda9ea8db753ad5217fd24d9ee42a96b | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: introduce tests for dynptr copy kfuncs | Problem Details:
Introduce selftests verifying newly-added dynptr copy kfuncs.
Covering contiguous and non-contiguous memory backed dynptrs.
Disable test_probe_read_user_str_dynptr that triggers bug in
strncpy_from_user_nofault. Patch to fix the issue [1].
[1] https://patchwork.kernel.org/project/linux-mm/patch/20250... | ```diff
diff --git a/tools/testing/selftests/bpf/DENYLIST b/tools/testing/selftests/bpf/DENYLIST
index f748f2c33b22..1789a61d0a9b 100644
--- a/tools/testing/selftests/bpf/DENYLIST
+++ b/tools/testing/selftests/bpf/DENYLIST
@@ -1,5 +1,6 @@
# TEMPORARY
# Alphabetical order
+dynptr/test_probe_read_user_str_dynptr # disa... |
152f33ee30ee6a7f4c15bedd7529dc5945315547 | Analyze and fix the following issue in the Linux kernel code: bus: fsl_mc: Fix driver_managed_dma check | Problem Details:
Since it's not currently safe to take device_lock() in the IOMMU probe
path, that can race against really_probe() setting dev->driver before
attempting to bind. The race itself isn't so bad, since we're only
concerned with dereferencing dev->driver itself anyway, but sadly my
attempt to implement the c... | ```diff
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 0c3a38d7f335..7671bd158545 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -139,9 +139,9 @@ static int fsl_mc_bus_uevent(const struct device *dev, struct kobj_uevent_env *e
static int fs... |
23d060136841c58c2f9ee8c08ad945d1879ead4b | Analyze and fix the following issue in the Linux kernel code: bus: fsl-mc: increase MC_CMD_COMPLETION_TIMEOUT_MS value | Problem Details:
In case the MC firmware runs in debug mode with extensive prints pushed
to the console, the current timeout of 500ms is not enough.
Increase the timeout value so that we don't have any chance of wrongly
assuming that the firmware is not responding when it's just taking more
time.
Signed-off-by: Lauren... | ```diff
diff --git a/drivers/bus/fsl-mc/mc-sys.c b/drivers/bus/fsl-mc/mc-sys.c
index f2052cd0a051..b22c59d57c8f 100644
--- a/drivers/bus/fsl-mc/mc-sys.c
+++ b/drivers/bus/fsl-mc/mc-sys.c
@@ -19,7 +19,7 @@
/*
* Timeout in milliseconds to wait for the completion of an MC command
*/
-#define MC_CMD_COMPLETION_TIMEOUT... |
c78230ad34f82c6c0e0e986865073aeeef1f5d30 | Analyze and fix the following issue in the Linux kernel code: bus: fsl-mc: fix GET/SET_TAILDROP command ids | Problem Details:
Command ids for taildrop get/set can not pass the check when they are
using from the restool user space utility. Correct them according to the
user manual.
Fixes: d67cc29e6d1f ("bus: fsl-mc: list more commands as accepted through the ioctl")
Signed-off-by: Wan Junjie <junjie.wan@inceptio.ai>
Signed-of... | ```diff
diff --git a/drivers/bus/fsl-mc/fsl-mc-uapi.c b/drivers/bus/fsl-mc/fsl-mc-uapi.c
index 9c4c1395fcdb..a376ec661653 100644
--- a/drivers/bus/fsl-mc/fsl-mc-uapi.c
+++ b/drivers/bus/fsl-mc/fsl-mc-uapi.c
@@ -275,13 +275,13 @@ static struct fsl_mc_cmd_desc fsl_mc_accepted_cmds[] = {
.size = 8,
},
[DPSW_GET_TAI... |
dd7d8e012b23de158ca0188239c7a1f2a83b4484 | Analyze and fix the following issue in the Linux kernel code: bus: fsl-mc: do not add a device-link for the UAPI used DPMCP device | Problem Details:
The fsl-mc bus associated to the root DPRC in a DPAA2 system exports a
device file for userspace access to the MC firmware. In case the DPRC's
local MC portal (DPMCP) is currently in use, a new DPMCP device is
allocated through the fsl_mc_portal_allocate() function.
In this case, the call to fsl_mc_po... | ```diff
diff --git a/drivers/bus/fsl-mc/mc-io.c b/drivers/bus/fsl-mc/mc-io.c
index a0ad7866cbfc..cd8754763f40 100644
--- a/drivers/bus/fsl-mc/mc-io.c
+++ b/drivers/bus/fsl-mc/mc-io.c
@@ -214,12 +214,19 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
if (error < 0)
goto error_cleanup_resour... |
d694bf8a9acdbd061596f3e7549bc8cb70750a60 | Analyze and fix the following issue in the Linux kernel code: bus: fsl-mc: fix double-free on mc_dev | Problem Details:
The blamed commit tried to simplify how the deallocations are done but,
in the process, introduced a double-free on the mc_dev variable.
In case the MC device is a DPRC, a new mc_bus is allocated and the
mc_dev variable is just a reference to one of its fields. In this
circumstance, on the error path ... | ```diff
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index a8be8cf246fb..0c3a38d7f335 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -906,8 +906,10 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,
error_cleanup_dev:
kfree(mc_dev->re... |
fd5fd538a1f4b34cee6823ba0ddda2f7a55aca96 | Analyze and fix the following issue in the Linux kernel code: libbpf: Use proper errno value in nlattr | Problem Details:
Return value of the validate_nla() function can be propagated all the
way up to users of libbpf API. In case of error this libbpf version
of validate_nla returns -1 which will be seen as -EPERM from user's
point of view. Instead, return a more reasonable -EINVAL.
Fixes: bbf48c18ee0c ("libbpf: add erro... | ```diff
diff --git a/tools/lib/bpf/nlattr.c b/tools/lib/bpf/nlattr.c
index 975e265eab3b..06663f9ea581 100644
--- a/tools/lib/bpf/nlattr.c
+++ b/tools/lib/bpf/nlattr.c
@@ -63,16 +63,16 @@ static int validate_nla(struct nlattr *nla, int maxtype,
minlen = nla_attr_minlen[pt->type];
if (libbpf_nla_len(nla) < minlen)... |
82b98cadb01f63cdb159e596ec06866d00f8e8c7 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Add WA BB to capture active context utilization | Problem Details:
Context Timestamp (CTX_TIMESTAMP) in the LRC accumulates the run ticks
of the context, but only gets updated when the context switches out. In
order to check how long a context has been active before it switches
out, two things are required:
(1) Determine if the context is running:
To do so, we progr... | ```diff
diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
index da713634d6a0..7ade41e2b7b3 100644
--- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
@@ -43,6 +43,10 @@
#define XEHPC_BCS8_RING_BASE 0x3ee000
#define GSCCS_RING_B... |
38b14233e5deff51db8faec287b4acd227152246 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Save CTX_TIMESTAMP mmio value instead of LRC value | Problem Details:
For determining actual job execution time, save the current value of the
CTX_TIMESTAMP register rather than the value saved in LRC since the
current register value is the closest to the start time of the job.
v2: Define MI_STORE_REGISTER_MEM to fix compile error
v3: Place MI_STORE_REGISTER_MEM sorted ... | ```diff
diff --git a/drivers/gpu/drm/xe/instructions/xe_mi_commands.h b/drivers/gpu/drm/xe/instructions/xe_mi_commands.h
index eba582058d55..e3f5e8bb3ebc 100644
--- a/drivers/gpu/drm/xe/instructions/xe_mi_commands.h
+++ b/drivers/gpu/drm/xe/instructions/xe_mi_commands.h
@@ -48,6 +48,10 @@
#define MI_LRI_FORCE_POSTED... |
a5d8d3be1dea8154edbbea481081469627665659 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Timeslice GPU on atomic SVM fault | Problem Details:
Ensure GPU can make forward progress on an atomic SVM GPU fault by
giving the GPU a timeslice of 5ms
v2:
- Reduce timeslice to 5ms
- Double timeslice on retry
- Split out GPU SVM changes into independent patch
v5:
- Double timeslice in a few more places
Fixes: 2f118c949160 ("drm/xe: Add SVM VRAM ... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index d8e15259a8df..d934df622276 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -797,6 +797,8 @@ int xe_svm_handle_pagefault(struct xe_vm *vm, struct xe_vma *vma,
IS_ENABLED(CONFIG_DRM_XE_DEVMEM_MIRROR) ? S... |
8dc1812b5b3a42311d28eb385eed88e2053ad3cb | Analyze and fix the following issue in the Linux kernel code: drm/gpusvm: Add timeslicing support to GPU SVM | Problem Details:
Add timeslicing support to GPU SVM which will guarantee the GPU a
minimum execution time on piece of physical memory before migration back
to CPU. Intended to implement strict migration policies which require
memory to be in a certain placement for correct execution.
Required for shared CPU and GPU at... | ```diff
diff --git a/drivers/gpu/drm/drm_gpusvm.c b/drivers/gpu/drm/drm_gpusvm.c
index 41f6616bcf76..4b2f32889f00 100644
--- a/drivers/gpu/drm/drm_gpusvm.c
+++ b/drivers/gpu/drm/drm_gpusvm.c
@@ -1783,6 +1783,8 @@ int drm_gpusvm_migrate_to_devmem(struct drm_gpusvm *gpusvm,
goto err_finalize;
/* Upon success bind ... |
a9ac0fa455b050d03e3032501368048fb284d318 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Strict migration policy for atomic SVM faults | Problem Details:
Mixing GPU and CPU atomics does not work unless a strict migration
policy of GPU atomics must be device memory. Enforce a policy of must be
in VRAM with a retry loop of 3 attempts, if retry loop fails abort
fault.
Removing always_migrate_to_vram modparam as we now have real migration
policy.
v2:
- O... | ```diff
diff --git a/drivers/gpu/drm/drm_gpusvm.c b/drivers/gpu/drm/drm_gpusvm.c
index a58d03e6cac2..41f6616bcf76 100644
--- a/drivers/gpu/drm/drm_gpusvm.c
+++ b/drivers/gpu/drm/drm_gpusvm.c
@@ -1118,6 +1118,10 @@ static void __drm_gpusvm_range_unmap_pages(struct drm_gpusvm *gpusvm,
lockdep_assert_held(&gpusvm->notif... |
8a9b978ebd47df9e0694c34748c2d6fa0c31eb4d | Analyze and fix the following issue in the Linux kernel code: drm/gpusvm: Introduce devmem_only flag for allocation | Problem Details:
This commit adds a new flag, devmem_only, to the drm_gpusvm structure. The
purpose of this flag is to ensure that the get_pages function allocates
memory exclusively from the device's memory. If the allocation from
device memory fails, the function will return an -EFAULT error.
Required for shared CPU... | ```diff
diff --git a/drivers/gpu/drm/drm_gpusvm.c b/drivers/gpu/drm/drm_gpusvm.c
index de424e670995..a58d03e6cac2 100644
--- a/drivers/gpu/drm/drm_gpusvm.c
+++ b/drivers/gpu/drm/drm_gpusvm.c
@@ -1454,6 +1454,11 @@ map_pages:
goto err_unmap;
}
+ if (ctx->devmem_only) {
+ err = -EFAULT;
+ goto err_unma... |
4ce2affc6ef9f84b4aebbf18bd5c57397b6024eb | Analyze and fix the following issue in the Linux kernel code: btrfs: add back warning for mount option commit values exceeding 300 | Problem Details:
The Btrfs documentation states that if the commit value is greater than
300 a warning should be issued. The warning was accidentally lost in the
new mount API update.
Fixes: 6941823cc878 ("btrfs: remove old mount API code")
CC: stable@vger.kernel.org # 6.12+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Revie... | ```diff
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index bcca43046064..7baa2ed45198 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -300,6 +300,7 @@ enum {
#define BTRFS_FEATURE_INCOMPAT_SAFE_CLEAR 0ULL
#define BTRFS_DEFAULT_COMMIT_INTERVAL (30)
+#define BTRFS_WARNING_COMMIT_INTERVAL (300)
#define BTRFS_DEFAULT... |
a0fd1c6098633f9a95fc2f636383546c82b704c3 | Analyze and fix the following issue in the Linux kernel code: btrfs: fix folio leak in submit_one_async_extent() | Problem Details:
If btrfs_reserve_extent() fails while submitting an async_extent for a
compressed write, then we fail to call free_async_extent_pages() on the
async_extent and leak its folios. A likely cause for such a failure
would be btrfs_reserve_extent() failing to find a large enough
contiguous free extent for th... | ```diff
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d295a37fa049..c1bd17915f81 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1109,6 +1109,7 @@ static void submit_one_async_extent(struct async_chunk *async_chunk,
struct extent_state *cached = NULL;
struct extent_map *em;
int ret = 0;
+ bool f... |
54db6d1bdd71fa90172a2a6aca3308bbf7fa7eb5 | Analyze and fix the following issue in the Linux kernel code: btrfs: fix discard worker infinite loop after disabling discard | Problem Details:
If the discard worker is running and there's currently only one block
group, that block group is a data block group, it's in the unused block
groups discard list and is being used (it got an extent allocated from it
after becoming unused), the worker can end up in an infinite loop if a
transaction abor... | ```diff
diff --git a/fs/btrfs/discard.c b/fs/btrfs/discard.c
index d6eef4bd9e9d..de23c4b3515e 100644
--- a/fs/btrfs/discard.c
+++ b/fs/btrfs/discard.c
@@ -94,8 +94,6 @@ static void __add_to_discard_list(struct btrfs_discard_ctl *discard_ctl,
struct btrfs_block_group *block_group)
{
lockdep_assert_held(&discar... |
af8a5125a04c128cbcc1daa21d9ba3e5d95a2fc4 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: test_verifier verbose log overflows | Problem Details:
Tests:
- 458/p ld_dw: xor semi-random 64-bit imms, test 5
- 501/p scale: scale test 1
- 502/p scale: scale test 2
fail in verbose mode due to bpf_vlog[] overflowing. These tests
generate large verifier logs that exceed the current buffer size,
causing them to fail to load.
Increase the size of the... | ```diff
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 2d13e862b078..27db34ecf3f5 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -734,7 +734,7 @@ static __u32 btf_raw_types[] = {
BTF_MEMBER_ENC... |
168c7b509109fe26cfcc21650b130ec384ece2aa | Analyze and fix the following issue in the Linux kernel code: perf parse-events: Set is_pmu_core for legacy hardware events | Problem Details:
Also set the CPU map to all online CPU maps.
This is done so the behavior of legacy hardware and hardware cache
events better matches that of sysfs and JSON events during
__perf_evlist__propagate_maps().
Fix missing cpumap put in "Synthesize attr update" test.
Signed-off-by: Ian Rogers <irogers@goog... | ```diff
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 7297ca3a4eec..cf4f9b59a185 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -233,21 +233,30 @@ __add_event(struct list_head *list, int *idx,
struct perf_cpu_map *cpu_list, u64 alternate_hw... |
365e02ddb65d443f1ba16af5a4ddcd638f1e7823 | Analyze and fix the following issue in the Linux kernel code: perf tests metrics: Permission related fixes | Problem Details:
When permissions are limited running sleep without system wide isn't a
good benchmark to run to achieve samples, switch to running noploop.
Remove indent for non-success cases.
Allow skip for the not counted case.
Minor debug changes.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter... | ```diff
diff --git a/tools/perf/tests/shell/stat_all_metrics.sh b/tools/perf/tests/shell/stat_all_metrics.sh
index ee817c66da06..6fa585a1e34c 100755
--- a/tools/perf/tests/shell/stat_all_metrics.sh
+++ b/tools/perf/tests/shell/stat_all_metrics.sh
@@ -7,86 +7,96 @@ ParanoidAndNotRoot()
[ "$(id -u)" != 0 ] && [ "$(cat... |
17e548405a81665fd14cee960db7d093d1396400 | Analyze and fix the following issue in the Linux kernel code: perf scripts python: exported-sql-viewer.py: Fix pattern matching with Python 3 | Problem Details:
The script allows the user to enter patterns to find symbols.
The pattern matching characters are converted for use in SQL.
For PostgreSQL the conversion involves using the Python maketrans()
method which is slightly different in Python 3 compared with Python 2.
Fix to work in Python 3.
Fixes: beda... | ```diff
diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 121cf61ba1b3..e0b2e7268ef6 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -680,7 +680,10 @@ class CallGraphModelBase(Tre... |
e00eac6b5b6d956f38d8880c44bf7fd9954063c3 | Analyze and fix the following issue in the Linux kernel code: perf intel-pt: Fix PEBS-via-PT data_src | Problem Details:
The Fixes commit did not add support for decoding PEBS-via-PT data_src.
Fix by adding support.
PEBS-via-PT is a feature of some E-core processors, starting with
processors based on Tremont microarchitecture. Because the kernel only
supports Intel PT features that are on all processors, there is no sup... | ```diff
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 4e8a9b172fbc..9b1011fe4826 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -127,6 +127,7 @@ struct intel_pt {
bool single_pebs;
bool sample_pebs;
+ int pebs_data_src_fmt;
struct evsel *pebs_evsel;
... |
1b0c192c92ea1fe2dcb178f84adf15fe37c3e7c8 | Analyze and fix the following issue in the Linux kernel code: tracing: samples: Initialize trace_array_printk() with the correct function | Problem Details:
When using trace_array_printk() on a created instance, the correct
function to use to initialize it is:
trace_array_init_printk()
Not
trace_printk_init_buffer()
The former is a proper function to use, the latter is for initializing
trace_printk() and causes the NOTICE banner to be displayed.
C... | ```diff
diff --git a/samples/ftrace/sample-trace-array.c b/samples/ftrace/sample-trace-array.c
index dac67c367457..4147616102f9 100644
--- a/samples/ftrace/sample-trace-array.c
+++ b/samples/ftrace/sample-trace-array.c
@@ -112,7 +112,7 @@ static int __init sample_trace_array_init(void)
/*
* If context specific per... |
8fcefe7812f246fff86d6f7ad8e166a564916202 | Analyze and fix the following issue in the Linux kernel code: hwmon: pmbus: mpq8785: Add support for MPM3695 family | Problem Details:
Add support for the Monolithic Power Systems MPM3695 family.
It contains four devices with suffixes: -10, -20, -25 and -100.
The device is PMBus compliant and shares characteristics with the
MPM82504.
MPM3695-25 has different VOLTAGE_SCALE_LOOP register size [11:0]
and therefore needs to have a separa... | ```diff
diff --git a/Documentation/hwmon/mpq8785.rst b/Documentation/hwmon/mpq8785.rst
index b91fefb1a84c..198d5dfd7c30 100644
--- a/Documentation/hwmon/mpq8785.rst
+++ b/Documentation/hwmon/mpq8785.rst
@@ -5,6 +5,7 @@ Kernel driver mpq8785
Supported chips:
+ * MPS MPM3695 family
* MPS MPM82504
* MPS MPQ878... |
d92801d8e6b43887ca5acc1713e89e26bbc64643 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: display/msm: hdmi: Fix constraints on additional 'port' properties | Problem Details:
The MSM HDMI port nodes are missing any restrictions on additional
properties. The $ref should be to "/properties/port" rather than
"/$defs/port-base" as there are not additional properties in the nodes
to define.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry... | ```diff
diff --git a/Documentation/devicetree/bindings/display/msm/hdmi.yaml b/Documentation/devicetree/bindings/display/msm/hdmi.yaml
index 7e6f776a047a..dfec6c3480f3 100644
--- a/Documentation/devicetree/bindings/display/msm/hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/msm/hdmi.yaml
@@ -74,12 +74,12 @@ p... |
5a0436e92aa76d6314bb66b0072e2ae397fe816c | Analyze and fix the following issue in the Linux kernel code: drm/msm/dp: Introduce link training per-segment for LTTPRs | Problem Details:
DisplayPort requires per-segment link training when LTTPR are switched
to non-transparent mode, starting with LTTPR closest to the source.
Only when each segment is trained individually, source can link train
to sink.
Implement per-segment link traning when LTTPR(s) are detected, to
support external d... | ```diff
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 69a26bb5fabd..a50bfafbb4ea 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -1034,10 +1034,12 @@ static int msm_dp_ctrl_set_vx_px(struct msm_dp_ctrl_private *ctrl,
return 0;
}
-stat... |
7513ccb8840b54e35579f3c2cce08c3443a6e2d4 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dp: Prepare for link training per-segment for LTTPRs | Problem Details:
Per-segment link training requires knowing the number of LTTPRs
(if any) present. Store the count during LTTPRs' initialization.
Fixes: 72d0af4accd9 ("drm/msm/dp: Add support for LTTPR handling")
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Revie... | ```diff
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index ba08350cd9c5..386c4669c831 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -360,16 +360,21 @@ static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *... |
c156fe2dd46774321c8eaaff9a6f04b64e6b9742 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dp: Account for LTTPRs capabilities | Problem Details:
Take into account LTTPR capabilities when selecting maximum allowed
link rate, number of data lines.
Fixes: 72d0af4accd9 ("drm/msm/dp: Add support for LTTPR handling")
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dm... | ```diff
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index c39c1669c74c..ba08350cd9c5 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -362,13 +362,12 @@ static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *... |
9351d3d302060d114de2f0c648579c0aadbd8f72 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dp: Fix support of LTTPR initialization | Problem Details:
Initialize LTTPR before msm_dp_panel_read_sink_caps, as DPTX shall
(re)read DPRX caps after LTTPR detection, as required by DP 2.1a,
Section 3.6.7.6.1.
Fixes: 72d0af4accd9 ("drm/msm/dp: Add support for LTTPR handling")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshko... | ```diff
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index ece184d20c0f..c39c1669c74c 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -360,12 +360,12 @@ static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *... |
de01fc9fa1753f958cf127a0695aa777fee108c7 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: remove DPU_CTL_SPLIT_DISPLAY from SAR2130P CTL blocks | Problem Details:
Follow the changes in the commit a2649952f66e ("drm/msm/dpu: remove
DPU_CTL_SPLIT_DISPLAY from CTL blocks on DPU >= 5.0") and remove
DPU_CTL_SPLIT_DISPLAY from the CTL blocks on the SAR2130P platform.
Single CTL is used for all interfaces used by a single path
Fixes: 178575173472 ("drm/msm/dpu: add ca... | ```diff
diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_1_sar2130p.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_1_sar2130p.h
index 22dd16c6e210..5667d055fbd1 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_1_sar2130p.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_1_sar2130p.h
@@ -27,17 +27,16 ... |
2e162df9f66f280eb614e65be506017fe3ab39b9 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Clear CTL_FETCH_PIPE_ACTIVE before blend setup | Problem Details:
Before blend setup, all existing blend stages are cleared, so shall be
active fetch pipes.
Fixes: b3652e87c03c ("drm/msm/disp/dpu1: add support to program fetch active in ctl path")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@lina... | ```diff
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 2d7af6fff270..a4b0fe0d9899 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -519,6 +519,8 @@ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
i... |
3c072d50aed6fb354d593606b5424c8d1fc30fb7 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Clear CTL_FETCH_PIPE_ACTIVE on ctl_path reset | Problem Details:
Resetting entire CTL path should also include resetting active fetch
pipes.
Fixes: e1a950eec256 ("drm/msm/dpu: add reset_intf_cfg operation for dpu_hw_ctl")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https:... | ```diff
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 65ec632a2294..6e6143865621 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -672,6 +672,9 @@ static void dpu_hw_ctl_reset_intf_cfg_v1(struct dpu_h... |
164e00a9e6fbb8045e1a199972a5215c88a935fa | Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Clear CTL_FETCH_PIPE_ACTIVE on mixer reset | Problem Details:
Resetting mixers should also include resetting active fetch pipes.
Fixes: ae4d721ce100 ("drm/msm/dpu: add an API to reset the encoder related hw blocks")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://p... | ```diff
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index f9c46180b8f7..7020098360e4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2194,6 +2194,9 @@ static void dpu_encoder_helper_reset_mixers(str... |
f446c6311e86618a1f81eb576b56a6266307238f | Analyze and fix the following issue in the Linux kernel code: io_uring/memmap: don't use page_address() on a highmem page | Problem Details:
For older/32-bit systems with highmem, don't assume that the pages in
a mapped region are always going to be mapped. If io_region_init_ptr()
finds that the pages are coalescable, also check if the first page is
a HighMem page or not. If it is, fall through to the usual vmap()
mapping rather than attemp... | ```diff
diff --git a/io_uring/memmap.c b/io_uring/memmap.c
index 76fcc79656b0..07f8a5cbd37e 100644
--- a/io_uring/memmap.c
+++ b/io_uring/memmap.c
@@ -116,7 +116,7 @@ static int io_region_init_ptr(struct io_mapped_region *mr)
void *ptr;
if (io_check_coalesce_buffer(mr->pages, mr->nr_pages, &ifd)) {
- if (ifd.nr_... |
615f8f5077fc8d399818bda2a18bcc89debeb7a8 | Analyze and fix the following issue in the Linux kernel code: mtd: rawnand: loongson1: Fix inconsistent refcounting in ls1x_nand_chip_init() | Problem Details:
As reported by Dan,
commit d2d10ede04b1 ("mtd: rawnand: Add Loongson-1 NAND Controller
Driver"), leads to the following Smatch static checker warning:
drivers/mtd/nand/raw/loongson1-nand-controller.c:730 ls1x_nand_chip_init()
warn: inconsistent refcounting 'chip_np->kobj.kref.refcount.refs.counter':
... | ```diff
diff --git a/drivers/mtd/nand/raw/loongson1-nand-controller.c b/drivers/mtd/nand/raw/loongson1-nand-controller.c
index 8754bb4f8b56..ef8e4f9ce287 100644
--- a/drivers/mtd/nand/raw/loongson1-nand-controller.c
+++ b/drivers/mtd/nand/raw/loongson1-nand-controller.c
@@ -703,27 +703,25 @@ static int ls1x_nand_chip_i... |
0d470c72bea4d9f4c24b304fefdc857979cb5ca0 | Analyze and fix the following issue in the Linux kernel code: mtd: rawnand: loongson1: Fix error code in ls1x_nand_dma_transfer() | Problem Details:
The "desc" variable is NULL and PTR_ERR(NULL) is zero/success. Return
a negative error code instead.
Fixes: d2d10ede04b1 ("mtd: rawnand: Add Loongson-1 NAND Controller Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> | ```diff
diff --git a/drivers/mtd/nand/raw/loongson1-nand-controller.c b/drivers/mtd/nand/raw/loongson1-nand-controller.c
index 6a369b1c7d86..8754bb4f8b56 100644
--- a/drivers/mtd/nand/raw/loongson1-nand-controller.c
+++ b/drivers/mtd/nand/raw/loongson1-nand-controller.c
@@ -371,7 +371,7 @@ static int ls1x_nand_dma_tran... |
910edaea547cfde9f67b47110d11f3adfe254bba | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: cfg: fix PE RF names | Problem Details:
There are a couple of variants of this, match them correctly
to their names and clean up a bit.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250510214621.d03eaad5be56.I276a09f0cad364e51ed4730ca... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile
index 89e7df5bf6ef..031babc65a0d 100644
--- a/drivers/net/wireless/intel/iwlwifi/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/Makefile
@@ -23,7 +23,7 @@ iwlwifi-$(CONFIG_IWLMVM) += cfg/ax210.o
iwlwifi-$(... |
9e4cb38739574b21e5a1ee0b05c3bf5aebf3d347 | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: cfg: fix and clean up FM/WH device matching | Problem Details:
We only need a few entries, and there don't seem to be any
such devices actually limited to 160 MHz.
Also add PCI IDs for the new Killer device on LNL platforms.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patc... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile
index 0d7daa6d3ebd..89e7df5bf6ef 100644
--- a/drivers/net/wireless/intel/iwlwifi/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/Makefile
@@ -23,7 +23,7 @@ iwlwifi-$(CONFIG_IWLMVM) += cfg/ax210.o
iwlwifi-$(... |
30e6a08a7c4706c7006610fc458d0c4b6ba2ba9b | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: cfg: fix and unify Killer/JF configs | Problem Details:
All of these should be 160 MHz, and they can be recognised
by just the subdevice ID. Unify all the Killer/JF entries.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250510214621.a93788f159ec.I114... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
index 7bfe497bebb7..816cf72e32e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
+++ b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
@@ -115,14 +115,10 @@ const char iwl9462_160_name[] = "Intel(... |
0d3e538131e018c77d6361ba25cf72cd58dfd75f | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: cfg: fix Ma device configs | Problem Details:
These should be according to their RF type, not just use
GF unconditionally. Fix that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250510214621.4dd365eb76cd.I91f368df691a3ce6c545d9cdc44676e788... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 0d26fd0168a5..51c9a871d1da 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -1379,11 +1379,9 @@ VISIBLE_IF_IWLWIFI_KUNIT const struct ... |
b1c3640d3ed06d787143c9b55cd3b683e2845ead | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: cfg: fix some device names | Problem Details:
Officially, the device names have dashes ("Wireless-N"),
so add them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250510214621.4f7bbd57680f.Ida19b5e696723db5839c13341d6ca7085e8c2568@changeid | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/7000.c b/drivers/net/wireless/intel/iwlwifi/cfg/7000.c
index 74b8ca55fba2..f987ad3192c1 100644
--- a/drivers/net/wireless/intel/iwlwifi/cfg/7000.c
+++ b/drivers/net/wireless/intel/iwlwifi/cfg/7000.c
@@ -121,11 +121,11 @@ const char iwl7260_n_name[] = "Intel(R)... |
6ed7430bdd00fda5ddc796ab447931c47b2a4e83 | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mld: add debug log instead of warning | Problem Details:
During link selection if the links does not meet the valid grade
criteria then add debug log instead of warning.
Signed-off-by: Somashekhar Puttagangaiah <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/2025051021462... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c
index 93d0547798c6..71edfb1cf68e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c
@@ -974,8 +974,11 @@ static void _iwl_mld_select_links(struct iwl... |
015b5fee8fdfbb77aed3dab2aee51aa47496c66c | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: dbg: fix dump trigger split check | Problem Details:
Evidently, I confused the fields here, apply_policy should
be checked for IWL_FW_INI_APPLY_POLICY_SPLIT_DUMP_RESET.
Fix that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Eilon Rinat <eilon.rinat@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: ... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 6ba0bcbcd56b..ea739ebe7cb0 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2724,7 +2724,7 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_r... |
cef88d1265cac7d415606af73ba58926fd3cd8b7 | Analyze and fix the following issue in the Linux kernel code: drm/xe/vf: Fixup CTB send buffer messages after migration | Problem Details:
During post-migration recovery of a VF, it is necessary to update
GGTT references included in messages which are going to be sent
to GuC. GuC will start consuming messages after VF KMD will inform
it about fixups being done; before that, the VF KMD is expected
to update any H2G messages which are alrea... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 2447de0ebedf..ff6edf1b14f4 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -25,6 +25,7 @@
#include "xe_gt_printk.h"
#include "xe_gt_sriov_pf_control.h"
#include "xe_gt_sriov_pf_monitor.h"
+#... |
3e693945b125da0f8459e84cee385cec77910c2f | Analyze and fix the following issue in the Linux kernel code: drm/xe/vf: Shifting GGTT area post migration | Problem Details:
We have only one GGTT for all IOV functions, with each VF having assigned
a range of addresses for its use. After migration, a VF can receive a
different range of addresses than it had initially.
This implements shifting GGTT addresses within drm_mm nodes, so that
VMAs stay valid after migration. This... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 5a37233f2420..af8e53014b87 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -484,6 +484,56 @@ void xe_ggtt_node_remove_balloon_locked(struct xe_ggtt_node *node)
drm_mm_remove_node(&node->base);
}
+... |
dd39212b5f43577bcd0c4493c0ae4c7828bb55e1 | Analyze and fix the following issue in the Linux kernel code: drm/xe/vf: Divide GGTT ballooning into allocation and insertion | Problem Details:
The balloon nodes, which are used to fill areas of GGTT inaccessible
for a specific VF, were allocated and inserted into GGTT within one
function. To be able to re-use that insertion code during VF
migration recovery, we need to split it.
This patch separates allocation (init/fini functs) from the ins... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 7062115909f2..5a37233f2420 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -429,16 +429,17 @@ static void xe_ggtt_dump_node(struct xe_ggtt *ggtt,
}
/**
- * xe_ggtt_node_insert_balloon - prevent all... |
8fb7aee05591fd4d3dca1460448a59e95fa821c3 | Analyze and fix the following issue in the Linux kernel code: io_uring: drain based on allocates reqs | Problem Details:
Don't rely on CQ sequence numbers for draining, as it has become messy
and needs cq_extra adjustments. Instead, base it on the number of
allocated requests and only allow flushing when all requests are in the
drain list.
As a result, cq_extra is gone, no overhead for its accounting in aux cqe
posting,... | ```diff
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 73b289b48280..00dbd7cd0e7d 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -341,7 +341,6 @@ struct io_ring_ctx {
unsigned cached_cq_tail;
unsigned cq_entries;
struct io_ev_fd __rcu *... |
ddcc2171f4999204a80919151f237fdc47714633 | Analyze and fix the following issue in the Linux kernel code: ACPICA: Utilities: Fix spelling mistake "Incremement" -> "Increment" | Problem Details:
ACPICA commit 0faa6e20cfe56fdaefc37a38f8fd04e3137fcdad
There is a spelling mistake in a literal string. Fix it.
Fixes: ff5340f8ac94 ("ACPICA: Reference count: add additional debugging details")
Link: https://github.com/acpica/acpica/commit/0faa6e20
Signed-off-by: Colin Ian King <colin.i.king@gmail.co... | ```diff
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index c85bfa13ac1e..e8180099d01f 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -404,7 +404,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
object, object->common... |
6d788e6848ce25e57afc7c1edaf7a925edf940d4 | Analyze and fix the following issue in the Linux kernel code: ACPICA: MRRM: Some cleanups | Problem Details:
ACPICA commit 022e2e4169841f429dbda677a4780830bf4c2177
1) Added source specification to MRRM table comment in actbl2.h
2) Shorten typedef from ACPI_TABLE_MRRM_MEM_RANGE_ENTRY to
struct acpi_mrrm_mem_range_entry
3) Add new typedefs to source/tools/acpisrc/astable.c
4) Fix cut and paste error... | ```diff
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 0ae9d9915d58..274b3b85b6d7 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1741,6 +1741,8 @@ struct acpi_msct_proximity {
/*******************************************************************************
*
* MRRM - Memory Ra... |
12b660251007e00a3e4d47ec62dbe3a7ace7023e | Analyze and fix the following issue in the Linux kernel code: ACPICA: utilities: Fix overflow check in vsnprintf() | Problem Details:
ACPICA commit d9d59b7918514ae55063b93f3ec041b1a569bf49
The old version breaks sprintf on 64-bit systems for buffers
outside [0..UINT32_MAX].
Link: https://github.com/acpica/acpica/commit/d9d59b79
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/4994935.GXAF... | ```diff
diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
index 42b30b9f9312..7fad03c5252c 100644
--- a/drivers/acpi/acpica/utprint.c
+++ b/drivers/acpi/acpica/utprint.c
@@ -333,11 +333,8 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
pos = string;
- if (... |
63166b815dc163b2e46426cecf707dc5923d6d13 | Analyze and fix the following issue in the Linux kernel code: io_uring/uring_cmd: fix hybrid polling initialization issue | Problem Details:
Modify the check for whether the timer is initialized during IO transfer
when passthrough is used with hybrid polling, to ensure that it's always
setup correctly.
Cc: stable@vger.kernel.org
Fixes: 01ee194d1aba ("io_uring: add support for hybrid IOPOLL")
Signed-off-by: hexue <xue01.he@samsung.com>
Link... | ```diff
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c
index a9ea7d29cdd9..430ed620ddfe 100644
--- a/io_uring/uring_cmd.c
+++ b/io_uring/uring_cmd.c
@@ -254,6 +254,11 @@ int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags)
return -EOPNOTSUPP;
issue_flags |= IO_URING_F_IOPOLL;
req->iopoll... |
2d8951aee844b7c6d146e25b5c3eebc1c72aa6ff | Analyze and fix the following issue in the Linux kernel code: block: unfreeze queue if realloc tag set fails during nr_hw_queues update | Problem Details:
In __blk_mq_update_nr_hw_queues(), the current sequence involves:
1. unregistering sysfs/debugfs attributes
2. freeze the queue
3. reallocating the tag set
4. updating the queue map
5. reallocating hardware contexts
6. updating the elevator (which unfreeze the queue again)
7. re-register sysfs/debugfs... | ```diff
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 4f79a9808fd1..cbc9a9f97a31 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -5002,8 +5002,11 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
list_for_each_entry(q, &set->tag_list, tag_set_list)
blk_mq_freeze_queue_nomemsave(q);
... |
8098514bd5ca98beca6ec725751d82d0d5b492d8 | Analyze and fix the following issue in the Linux kernel code: block: always allocate integrity buffer when required | Problem Details:
Many nvme metadata formats can not strip or generate the metadata on the
controller side. For these formats, a host provided integrity buffer is
mandatory even if it isn't checked.
The block integrity read_verify and write_generate attributes prevent
allocating the metadata buffer, but we need it when... | ```diff
diff --git a/block/bio-integrity-auto.c b/block/bio-integrity-auto.c
index e524c609be50..9c6657664792 100644
--- a/block/bio-integrity-auto.c
+++ b/block/bio-integrity-auto.c
@@ -9,6 +9,7 @@
* not aware of PI.
*/
#include <linux/blk-integrity.h>
+#include <linux/t10-pi.h>
#include <linux/workqueue.h>
#in... |
f7f46a80fa68c19260aa6c88881cee4a18682562 | Analyze and fix the following issue in the Linux kernel code: drm/i915: Add support for forcing the link bpp on a connector | Problem Details:
Add support for forcing the link bpp on a connector via a connector
debugfs entry. During reducing link bpps due to a link BW limit, keep
bpps close to their forced value.
Add the debugfs entry to all relevant connectors: all DP connectors and
on an FDI link CRT/SDVO/LVDS/HDMI connectors.
v2:
- Move ... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 8d0a1779dd19..a9b1ec4cf0f7 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -39,6 +39,7 @@
#include "inte... |
49a50054b784989ad56f8df911611f823d628044 | Analyze and fix the following issue in the Linux kernel code: drm/i915/dp_mst: Simplify handling the single-bpp case during state computation | Problem Details:
A follow-up change wants to skip invalid bpps in the bpp select loop of
a stream state computation. To allow for that, using the usual
'continue' statement in the loop, change the way the single-bpp range is
handled.
v2: Fix typo in commit message. (Ankit)
Cc: Jani Nikula <jani.nikula@intel.com>
Revi... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 06f4ad8de591..fa969b46245c 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -263,6 +263,12 @@ int intel_dp_mtp_tu_compute_config(struct intel_... |
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