id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
02c7f7219ac0e2277b3379a3a0e9841ef464b6d4 | Analyze and fix the following issue in the Linux kernel code: ext4: fix hole length calculation overflow in non-extent inodes | Problem Details:
In a filesystem with a block size larger than 4KB, the hole length
calculation for a non-extent inode in ext4_ind_map_blocks() can easily
exceed INT_MAX. Then it could return a zero length hole and trigger the
following waring and infinite in the iomap infrastructure.
------------[ cut here ]-------... | ```diff
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index 7de327fa7b1c..d45124318200 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -539,7 +539,7 @@ int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,
int indirect_blks;
int blocks_to_boundary = 0;
int depth;
- int count = 0;
+ u64... |
c5e104a91e7b6fa12c1dc2d8bf84abb7ef9b89ad | Analyze and fix the following issue in the Linux kernel code: ext4: don't try to clear the orphan_present feature block device is r/o | Problem Details:
When the file system is frozen in preparation for taking an LVM
snapshot, the journal is checkpointed and if the orphan_file feature
is enabled, and the orphan file is empty, we clear the orphan_present
feature flag. But if there are pending inodes that need to be removed
the orphan_present feature fl... | ```diff
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b16ffa507b84..699c15db28a8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5416,6 +5416,8 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
err = ext4_load_and_init_journal(sb, es, ctx);
if (err)
goto failed_mount... |
3ffbdd1f1165f1b2d6a94d1b1aabef57120deaf7 | Analyze and fix the following issue in the Linux kernel code: ext4: fix reserved gdt blocks handling in fsmap | Problem Details:
In some cases like small FSes with no meta_bg and where the resize
doesn't need extra gdt blocks as it can fit in the current one,
s_reserved_gdt_blocks is set as 0, which causes fsmap to emit a 0
length entry, which is incorrect.
$ mkfs.ext4 -b 65536 -O bigalloc /dev/sda 5G
$ mount /dev/sda /mnt/... | ```diff
diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c
index 9d63c39f6077..91185c40f755 100644
--- a/fs/ext4/fsmap.c
+++ b/fs/ext4/fsmap.c
@@ -393,6 +393,14 @@ static unsigned int ext4_getfsmap_find_sb(struct super_block *sb,
/* Reserved GDT blocks */
if (!ext4_has_feature_meta_bg(sb) || metagroup < first_meta_bg) ... |
bae76c035bf0852844151e68098c9b7cd63ef238 | Analyze and fix the following issue in the Linux kernel code: ext4: fix fsmap end of range reporting with bigalloc | Problem Details:
With bigalloc enabled, the logic to report last extent has a bug since
we try to use cluster units instead of block units. This can cause an
issue where extra incorrect entries might be returned back to the
user. This was flagged by generic/365 with 64k bs and -O bigalloc.
** Details of issue **
The ... | ```diff
diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c
index 383c6edea6dd..9d63c39f6077 100644
--- a/fs/ext4/fsmap.c
+++ b/fs/ext4/fsmap.c
@@ -526,6 +526,7 @@ static int ext4_getfsmap_datadev(struct super_block *sb,
ext4_group_t end_ag;
ext4_grpblk_t first_cluster;
ext4_grpblk_t last_cluster;
+ struct ext4_fsmap ... |
59d8731c887bf2f5bb8406ace26cbb6f6b36d6cc | Analyze and fix the following issue in the Linux kernel code: ext4: fix unused variable warning in ext4_init_new_dir | Problem Details:
Cc: stable@kernel.org
Fixes: 90f097b1403f ("ext4: refactor the inline directory conversion and...")
Signed-off-by: Theodore Ts'o <tytso@mit.edu> | ```diff
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 01f379f5fd04..2cd36f59c9e3 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2965,7 +2965,6 @@ int ext4_init_new_dir(handle_t *handle, struct inode *dir,
struct inode *inode)
{
struct buffer_head *dir_block = NULL;
- struct ext4_dir_entry_2 *... |
b4cc4a4077268522e3d0d34de4b2dc144e2330fa | Analyze and fix the following issue in the Linux kernel code: ext4: check fast symlink for ea_inode correctly | Problem Details:
The check for a fast symlink in the presence of only an
external xattr inode is incorrect. If a fast symlink does
not have an xattr block (i_file_acl == 0), but does have
an external xattr inode that increases inode i_blocks, then
the check for a fast symlink will incorrectly fail and
__ext4_iget()->e... | ```diff
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index eeccb6f588f9..731a800d9c14 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -146,7 +146,7 @@ static inline int ext4_begin_ordered_truncate(struct inode *inode,
*/
int ext4_inode_is_fast_symlink(struct inode *inode)
{
- if (!(EXT4_I(inode)->i_flags & ... |
f2326fd14a224e4cccbab89e14c52279ff79b7ec | Analyze and fix the following issue in the Linux kernel code: ext4: preserve SB_I_VERSION on remount | Problem Details:
IMA testing revealed that after an ext4 remount, file accesses triggered
full measurements even without modifications, instead of skipping as
expected when i_version is unchanged.
Debugging showed `SB_I_VERSION` was cleared in reconfigure_super() during
remount due to commit 1ff20307393e ("ext4: uncon... | ```diff
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9203518786e4..ed1b36bd51c8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1998,6 +1998,9 @@ int ext4_init_fs_context(struct fs_context *fc)
fc->fs_private = ctx;
fc->ops = &ext4_context_ops;
+ /* i_version is always enabled now */
+ fc->sb_flags... |
6db015fc4b5d5f63a64a193f65d98da3a7fc811d | Analyze and fix the following issue in the Linux kernel code: tls: handle data disappearing from under the TLS ULP | Problem Details:
TLS expects that it owns the receive queue of the TCP socket.
This cannot be guaranteed in case the reader of the TCP socket
entered before the TLS ULP was installed, or uses some non-standard
read API (eg. zerocopy ones). Replace the WARN_ON() and a buggy
early exit (which leaves anchor pointing to a ... | ```diff
diff --git a/net/tls/tls.h b/net/tls/tls.h
index 774859b63f0d..4e077068e6d9 100644
--- a/net/tls/tls.h
+++ b/net/tls/tls.h
@@ -196,7 +196,7 @@ void tls_strp_msg_done(struct tls_strparser *strp);
int tls_rx_msg_size(struct tls_strparser *strp, struct sk_buff *skb);
void tls_rx_msg_ready(struct tls_strparser *s... |
c3dd67681c70cc95cc2c889b1b58a1667bb1c48b | Analyze and fix the following issue in the Linux kernel code: cxl/region: Add inject and clear poison by region offset | Problem Details:
Add CXL region debugfs attributes to inject and clear poison based
on an offset into the region. These new interfaces allow users to
operate on poison at the region level without needing to resolve
Device Physical Addresses (DPA) or target individual memdevs.
The implementation uses a new helper, regi... | ```diff
diff --git a/Documentation/ABI/testing/debugfs-cxl b/Documentation/ABI/testing/debugfs-cxl
index e95e21f131e9..2989d4da96c1 100644
--- a/Documentation/ABI/testing/debugfs-cxl
+++ b/Documentation/ABI/testing/debugfs-cxl
@@ -19,6 +19,20 @@ Description:
is returned to the user. The inject_poison attribute is on... |
c93c59baa5ab57e94b874000cec56e26611b7a23 | Analyze and fix the following issue in the Linux kernel code: bpf: Tidy verifier bug message | Problem Details:
Yonghong noticed that error messages for potential verifier bugs often
have a '(1)' at the end. This is happening because verifier_bug_if(cond,
env, fmt, args...) prints "(" #cond ")\n" as part of the message and
verifier_bug() is defined as:
#define verifier_bug(env, fmt, args...) verifier_bug_if(1... | ```diff
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index c823f8efe3ed..020de62bd09c 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -875,13 +875,15 @@ __printf(3, 4) void verbose_linfo(struct bpf_verifier_env *env,
#define verifier_bug_if(cond, env, fmt, ar... |
733c4e9bcec9c481afee3891218277d9ecd06599 | Analyze and fix the following issue in the Linux kernel code: cxl/region: use str_enabled_disabled() instead of ternary operator | Problem Details:
Replace ternary operator with str_enabled_disabled() helper to enhance
code readability and consistency.
[dj: Fix spelling in commit log and subject. ]
Signed-off-by: Nai-Chen Cheng <bleach1827@gmail.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/202508... | ```diff
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 71cc42d05248..83d58787b5af 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -10,6 +10,7 @@
#include <linux/sort.h>
#include <linux/idr.h>
#include <linux/memory-tiers.h>
+#include <linux/string_choices.h>
#incl... |
2efe41234dbd0a83fdb7cd38226c2f70039a2cd3 | Analyze and fix the following issue in the Linux kernel code: ptp: prevent possible ABBA deadlock in ptp_clock_freerun() | Problem Details:
syzbot reported the following ABBA deadlock:
CPU0 CPU1
---- ----
n_vclocks_store()
lock(&ptp->n_vclocks_mux) [1]
(physical clock)
pc_clock_adjtime()
... | ```diff
diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h
index a6aad743c282..b352df4cd3f9 100644
--- a/drivers/ptp/ptp_private.h
+++ b/drivers/ptp/ptp_private.h
@@ -24,6 +24,11 @@
#define PTP_DEFAULT_MAX_VCLOCKS 20
#define PTP_MAX_CHANNELS 2048
+enum {
+ PTP_LOCK_PHYSICAL = 0,
+ PTP_LOCK_VIRTUAL,
... |
f8262b8dadfa635cc8f203c40eb0b75b8625f44c | Analyze and fix the following issue in the Linux kernel code: dt-bindings: nfc: ti,trf7970a: Drop 'db' suffix duplicating dtschema | Problem Details:
A common property unit suffix '-db' was added to dtschema, thus
in-kernel bindings should not reference the type.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20250811142235.170407-2-krzysztof.koz... | ```diff
diff --git a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
index 5f49bd9ac5e6..783a85b84893 100644
--- a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
+++ b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
@@ -56,7 ... |
e67a0bc3ed4fd8ee1697cb6d937e2b294ec13b5e | Analyze and fix the following issue in the Linux kernel code: ixgbe: prevent from unwanted interface name changes | Problem Details:
Users of the ixgbe driver report that after adding devlink support by
the commit a0285236ab93 ("ixgbe: add initial devlink support") their
configs got broken due to unwanted changes of interface names. It's
caused by automatic phys_port_name generation during devlink port
initialization flow.
To preve... | ```diff
diff --git a/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c b/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c
index 54f1b83dfe42..d227f4d2a2d1 100644
--- a/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c
+++ b/drivers/net/ethernet/intel/ixgbe/devlink/devlink.c
@@ -543,6 +543,7 @@ int ixgbe_devlink_reg... |
aa5fc4362fac9351557eb27c745579159a2e4520 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix task hang from failed job submission during process kill | Problem Details:
During process kill, drm_sched_entity_flush() will kill the vm
entities. The following job submissions of this process will fail, and
the resources of these jobs have not been released, nor have the fences
been signalled, causing tasks to hang and timeout.
Fix by check entity status in amdgpu_vm_ready... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index a2adaacf6adb..d3f220be2ef9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1139,6 +1139,9 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
}
... |
0ebbab41fba1bae6ccd96c0eec17026700ac6534 | Analyze and fix the following issue in the Linux kernel code: ASoC: stm: stm32_i2s: Fix calc_clk_div() error handling in determine_rate() | Problem Details:
calc_clk_div() will only return a non-zero value (-EINVAL)
in case of error. On the other hand, req->rate is an unsigned long.
It seems quite odd that req->rate would be assigned a negative value,
which is clearly not a rate, and success would be returned.
Reinstate previous logic, which would just re... | ```diff
diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 0e489097d9c1..6ca21780f21d 100644
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -469,11 +469,8 @@ static int stm32_i2smclk_determine_rate(struct clk_hw *hw,
int ret;
ret = stm32_i2s_calc_clk_div(i2s, req->best_pa... |
040bc6d0e0e9c814c9c663f6f1544ebaff6824a8 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix incorrect vm flags to map bo | Problem Details:
It should use vm flags instead of pte flags
to specify bo vm attributes.
Fixes: 7946340fa389 ("drm/amdgpu: Move csa related code to separate file")
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry pi... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
index 02138aa55793..dfb6cfd83760 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
@@ -88,8 +88,8 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu... |
10ef476aad1c848449934e7bec2ab2374333c7b6 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix vram reservation issue | Problem Details:
The vram block allocation flag must be cleared
before making vram reservation, otherwise reserving
addresses within the currently freed memory range
will always fail.
Fixes: c9cad937c0c5 ("drm/amdgpu: add drm buddy support to amdgpu")
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawki... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 07c936e90d8e..78f9e86ccc09 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -648,9 +648,8 @@ static void amdgpu_vram_mgr_del(struct ttm_re... |
e67b8afcb6d86f1bc6a69e4e52cf9dcfe636f995 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Add PSP fw version check for fw reserve GFX command | Problem Details:
The fw reserved GFX command is only supported starting from PSP fw
version 0x3a0e14 and 0x3b0e0d. Older versions do not support this command.
Add a version guard to ensure the command is only used when the running
PSP fw meets the minimum version requirement.
This ensures backward compatibility and s... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 0bd51a04be79..23484317a5fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1039,15 +1039,28 @@ int psp_update_fw_reservation(struct psp_context *psp)
{
i... |
41b70df5b38bc80967d2e0ed55cc3c3896bba781 | Analyze and fix the following issue in the Linux kernel code: io_uring/net: commit partial buffers on retry | Problem Details:
Ring provided buffers are potentially only valid within the single
execution context in which they were acquired. io_uring deals with this
and invalidates them on retry. But on the networking side, if
MSG_WAITALL is set, or if the socket is of the streaming type and too
little was processed, then it wi... | ```diff
diff --git a/io_uring/net.c b/io_uring/net.c
index dd96e355982f..d69f2afa4f7a 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -494,6 +494,15 @@ static int io_bundle_nbufs(struct io_async_msghdr *kmsg, int ret)
return nbufs;
}
+static int io_net_kbuf_recyle(struct io_kiocb *req,
+ struct io_asyn... |
abbf9a44944171ca99c150adad9361a2f517d3b6 | Analyze and fix the following issue in the Linux kernel code: rust: workaround `rustdoc` target modifiers bug | Problem Details:
Starting with Rust 1.88.0 (released 2025-06-26), `rustdoc` complains
about a target modifier mismatch in configurations where `-Zfixed-x18`
is passed:
error: mixing `-Zfixed-x18` will cause an ABI mismatch in crate `rust_out`
|
= help: the `-Zfixed-x18` flag modifies the ABI so Rust cr... | ```diff
diff --git a/rust/Makefile b/rust/Makefile
index 4263462b8470..d47f82588d78 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -65,6 +65,10 @@ core-cfgs = \
core-edition := $(if $(call rustc-min-version,108700),2024,2021)
+# `rustdoc` did not save the target modifiers, thus workaround for
+# the time being ... |
5149bbb56bdcf5c5f72904025fbb502217580b63 | Analyze and fix the following issue in the Linux kernel code: PCI: vmd: Remove MSI-X check on child devices | Problem Details:
d7d8ab87e3e7 ("PCI: vmd: Switch to msi_create_parent_irq_domain()") added a
WARN_ON sanity check that child devices support MSI-X, because VMD document
says [1]:
Intel VMD only supports MSIx Interrupts from child devices and therefore
the BIOS must enable PCIe Hot Plug and MSIx interrups [sic].
H... | ```diff
diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index b679c7f28f51..1bd5bf4a6097 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -306,9 +306,6 @@ static bool vmd_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
struct irq_domain *re... |
a49eebfa8ba1a90cbe01371f852b8da805d3aa55 | Analyze and fix the following issue in the Linux kernel code: docs: arm: stm32: fix typo "busses" -> "buses" | Problem Details:
Fix the spelling of "busses" to the preferred form "buses" in STM32 ARM
architecture documentation.
Signed-off-by: Akshaykumar Gunari <akshaygunari@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250807145119.2214-1-akshaygunari@gmail.com | ```diff
diff --git a/Documentation/arch/arm/stm32/stm32f746-overview.rst b/Documentation/arch/arm/stm32/stm32f746-overview.rst
index 78befddc7740..335f0855a858 100644
--- a/Documentation/arch/arm/stm32/stm32f746-overview.rst
+++ b/Documentation/arch/arm/stm32/stm32f746-overview.rst
@@ -15,7 +15,7 @@ It features:
- SD/... |
70d476b63a1494337f2b9fec1e9b1cab2e6116d3 | Analyze and fix the following issue in the Linux kernel code: Documentation/rv: Fix minor typo in monitor_synthesis page | Problem Details:
Specifically, fix spelling of "practice"
Signed-off-by: Gopi Krishna Menon <krishnagopi487@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250810111249.93181-1-krishnagopi487@gmail.com | ```diff
diff --git a/Documentation/trace/rv/monitor_synthesis.rst b/Documentation/trace/rv/monitor_synthesis.rst
index ac808a7554f5..3a7d7b2f6cb6 100644
--- a/Documentation/trace/rv/monitor_synthesis.rst
+++ b/Documentation/trace/rv/monitor_synthesis.rst
@@ -181,7 +181,7 @@ which is the list of atomic propositions pres... |
0e6bb6888791656c3973f26da3288323524573c0 | Analyze and fix the following issue in the Linux kernel code: docs: folio_queue: Fix minor typo in folio_queue page | Problem Details:
Specifically, fix typo 'hese'-> 'these'
Signed-off-by: Gopi Krishna Menon <krishnagopi487@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250810235346.4153-1-krishnagopi487@gmail.com | ```diff
diff --git a/Documentation/core-api/folio_queue.rst b/Documentation/core-api/folio_queue.rst
index 83cfbc157e49..b7628896d2b6 100644
--- a/Documentation/core-api/folio_queue.rst
+++ b/Documentation/core-api/folio_queue.rst
@@ -44,7 +44,7 @@ Each segment in the list also stores:
* the size of each folio and
... |
f101c13a8720c73e67f8f9d511fbbeda95bcedb1 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix task hang from failed job submission during process kill | Problem Details:
During process kill, drm_sched_entity_flush() will kill the vm
entities. The following job submissions of this process will fail, and
the resources of these jobs have not been released, nor have the fences
been signalled, causing tasks to hang and timeout.
Fix by check entity status in amdgpu_vm_ready... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 27f8f316f6c2..2ac9729e4c86 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1139,6 +1139,9 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
}
... |
0851d34a8cc3a0a43acd79a5c4980d45c6471aab | Analyze and fix the following issue in the Linux kernel code: rust: irq: add support for non-threaded IRQs and handlers | Problem Details:
This patch adds support for non-threaded IRQs and handlers through
irq::Registration and the irq::Handler trait.
Registering an irq is dependent upon having a IrqRequest that was
previously allocated by a given device. This will be introduced in
subsequent patches.
Tested-by: Joel Fernandes <joelagne... | ```diff
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 84d60635e8a9..69a975da829f 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -52,6 +52,7 @@
#include <linux/ethtool.h>
#include <linux/file.h>
#include <linux/firmware.h>
+#include <linux/... |
b08425fa77ad2f305fe57a33dceb456be03b653f | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix incorrect vm flags to map bo | Problem Details:
It should use vm flags instead of pte flags
to specify bo vm attributes.
Fixes: 7946340fa389 ("drm/amdgpu: Move csa related code to separate file")
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
index 02138aa55793..dfb6cfd83760 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
@@ -88,8 +88,8 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu... |
d38eaf27de1b8584f42d6fb3f717b7ec44b3a7a1 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix vram reservation issue | Problem Details:
The vram block allocation flag must be cleared
before making vram reservation, otherwise reserving
addresses within the currently freed memory range
will always fail.
Fixes: c9cad937c0c5 ("drm/amdgpu: add drm buddy support to amdgpu")
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawki... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 4bf3e99f47fe..40049b885667 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -685,9 +685,8 @@ static void amdgpu_vram_mgr_del(struct ttm_re... |
065e23170a1e09bc9104b761183e59562a029619 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Add PSP fw version check for fw reserve GFX command | Problem Details:
The fw reserved GFX command is only supported starting from PSP fw
version 0x3a0e14 and 0x3b0e0d. Older versions do not support this command.
Add a version guard to ensure the command is only used when the running
PSP fw meets the minimum version requirement.
This ensures backward compatibility and s... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 3d3815b9ff15..771a43681d72 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1043,15 +1043,28 @@ int psp_update_fw_reservation(struct psp_context *psp)
{
i... |
746680ec6696585e30db3e18c93a63df9cbec39c | Analyze and fix the following issue in the Linux kernel code: rust: irq: add flags module | Problem Details:
Manipulating IRQ flags (i.e.: IRQF_*) will soon be necessary, specially to
register IRQ handlers through bindings::request_irq().
Add a kernel::irq::Flags for that purpose.
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Joel Fernandes <joelagnelf@nvidia.com>
Tested-by: Dirk Behme <dirk.beh... | ```diff
diff --git a/rust/kernel/irq.rs b/rust/kernel/irq.rs
index fae7b15effc8..068df2fea31d 100644
--- a/rust/kernel/irq.rs
+++ b/rust/kernel/irq.rs
@@ -9,3 +9,8 @@
//! drivers to register a handler for a given IRQ line.
//!
//! C header: [`include/linux/device.h`](srctree/include/linux/interrupt.h)
+
+/// Flags t... |
963e22c084c2b6097e1e635d29c6336881f67708 | Analyze and fix the following issue in the Linux kernel code: ACPI: EC: Relax sanity check of the ECDT ID string | Problem Details:
It turns out that the ECDT table inside the ThinkBook 14 G7 IML
contains a valid EC description but an invalid ID string
("_SB.PC00.LPCB.EC0"). Ignoring this ECDT based on the invalid
ID string prevents the kernel from detecting the built-in touchpad,
so relax the sanity check of the ID string and only... | ```diff
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 75c7db8b156a..7855bbf752b1 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2033,7 +2033,7 @@ void __init acpi_ec_ecdt_probe(void)
goto out;
}
- if (!strstarts(ecdt_ptr->id, "\\")) {
+ if (!strlen(ecdt_ptr->id)) {
/*
* The ECDT tab... |
77abf70ee126d40dba9ada0a4ccb4c7743f6a3e6 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: ipq5424: Enable cpufreq | Problem Details:
Add the qfprom, cpu clocks, A53 PLL and cpu-opp-table required for
CPU clock scaling.
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
[ Added interconnect related entries, fix dt-bindings errors ]
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Varadarajan N... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
index bd891e39f33e..bbb539dbdf5c 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
@@ -7,6 +7,7 @@
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-b... |
55d49f06162e45686399df4ae6292167f0deab7c | Analyze and fix the following issue in the Linux kernel code: drm/xe/hwmon: Add SW clamp for power limits writes | Problem Details:
Clamp writes to power limits powerX_crit/currX_crit, powerX_cap,
powerX_max, to the maximum supported by the pcode mailbox
when sysfs-provided values exceed this limit.
Although the pcode already performs clamping, values beyond the pcode
mailbox's supported range get truncated, leading to incorrect
cr... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_hwmon.c b/drivers/gpu/drm/xe/xe_hwmon.c
index f08fc4377d25..c17ed1ae8649 100644
--- a/drivers/gpu/drm/xe/xe_hwmon.c
+++ b/drivers/gpu/drm/xe/xe_hwmon.c
@@ -332,6 +332,7 @@ static int xe_hwmon_power_max_write(struct xe_hwmon *hwmon, u32 attr, int channe
int ret = 0;
u32 reg... |
2dd7a47669ae6c1da18c55f8e89c4a44418c7006 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Defer buffer object shrinker write-backs and GPU waits | Problem Details:
When the xe buffer-object shrinker allows GPU waits and write-back,
(typically from kswapd), perform multiple passes, skipping
subsequent passes if the shrinker number of scanned objects target
is reached.
1) Without GPU waits and write-back
2) Without write-back
3) With both GPU-waits and write-back
... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_shrinker.c b/drivers/gpu/drm/xe/xe_shrinker.c
index 1c3c04d52f55..90244fe59b59 100644
--- a/drivers/gpu/drm/xe/xe_shrinker.c
+++ b/drivers/gpu/drm/xe/xe_shrinker.c
@@ -54,10 +54,10 @@ xe_shrinker_mod_pages(struct xe_shrinker *shrinker, long shrinkable, long purgea
write_unlo... |
145832fbdd17b1d77ffd6cdd1642259e101d1b7e | Analyze and fix the following issue in the Linux kernel code: drm/xe/migrate: prevent potential UAF | Problem Details:
If we hit the error path, the previous fence (if there is one) has
already been put() prior to this, so doing a fence_wait could lead to
UAF. Tweak the flow to do to the put() until after we do the wait.
Fixes: 270172f64b11 ("drm/xe: Update xe_ttm_access_memory to use GPU for non-visible access")
Sign... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index 95bcaa427d26..7d20ac4bb633 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -1893,9 +1893,6 @@ int xe_migrate_access_memory(struct xe_migrate *m, struct xe_bo *bo,
current_bytes = min_t(... |
4126cb327a2e3273c81fcef1c594c5b7b645c44c | Analyze and fix the following issue in the Linux kernel code: drm/xe/migrate: don't overflow max copy size | Problem Details:
With non-page aligned copy, we need to use 4 byte aligned pitch, however
the size itself might still be close to our maximum of ~8M, and so the
dimensions of the copy can easily exceed the S16_MAX limit of the copy
command leading to the following assert:
xe 0000:03:00.0: [drm] Assertion `size / pitch... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index 6193e2ca3741..95bcaa427d26 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -1887,6 +1887,12 @@ int xe_migrate_access_memory(struct xe_migrate *m, struct xe_bo *bo,
else
current_bytes... |
9d7a1cbebbb691891671def57407ba2f8ee914e8 | Analyze and fix the following issue in the Linux kernel code: drm/xe/migrate: prevent infinite recursion | Problem Details:
If the buf + offset is not aligned to XE_CAHELINE_BYTES we fallback to
using a bounce buffer. However the bounce buffer here is allocated on
the stack, and the only alignment requirement here is that it's
naturally aligned to u8, and not XE_CACHELINE_BYTES. If the bounce
buffer is also misaligned we th... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index ba1cff2e4cda..6193e2ca3741 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -1820,15 +1820,19 @@ int xe_migrate_access_memory(struct xe_migrate *m, struct xe_bo *bo,
if (!IS_ALIGNED(len, X... |
3f69f2e78799bf76e5dfe74f2eda4d67812d4edc | Analyze and fix the following issue in the Linux kernel code: PCI: xilinx: Fix NULL pointer dereference in xilinx_pcie_intr_handler() | Problem Details:
f29861aa301c5 ("PCI: xilinx: Switch to msi_create_parent_irq_domain()")
changed xilinx_pcie::msi_domain from child devices' interrupt domain to
Xilinx AXI bridge's interrupt domain.
However, xilinx_pcie_intr_handler() wasn't changed and still reads Xilinx
AXI bridge's interrupt domain from xilinx_pcie... | ```diff
diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
index f121836c3cf4..937ea6ae1ac4 100644
--- a/drivers/pci/controller/pcie-xilinx.c
+++ b/drivers/pci/controller/pcie-xilinx.c
@@ -400,7 +400,7 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data)
if (val &... |
aac1256a41cfbbaca12d6c0a5753d1e3b8d2d8bf | Analyze and fix the following issue in the Linux kernel code: dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings | Problem Details:
The gcc_aux_clk is required by the PCIe controller but not by the PCIe
PHY. In PCIe PHY, the source of aux_clk used in low-power mode should
be gcc_phy_aux_clk. Hence, remove gcc_aux_clk and replace it with
gcc_phy_aux_clk.
Fixes: fd2d4e4c1986 ("dt-bindings: phy: qcom,qmp: Add sa8775p QMP PCIe PHY")
S... | ```diff
diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
index a1ae8c7988c8..b6f140bf5b3b 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/p... |
e19bcea99749ce8e8f1d359f68ae03210694ad56 | Analyze and fix the following issue in the Linux kernel code: phy: ti-pipe3: fix device leak at unbind | Problem Details:
Make sure to drop the reference to the control device taken by
of_find_device_by_node() during probe when the driver is unbound.
Fixes: 918ee0d21ba4 ("usb: phy: omap-usb3: Don't use omap_get_control_dev()")
Cc: stable@vger.kernel.org # 3.13
Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Johan Ho... | ```diff
diff --git a/drivers/phy/ti/phy-ti-pipe3.c b/drivers/phy/ti/phy-ti-pipe3.c
index da2cbacb982c..ae764d6524c9 100644
--- a/drivers/phy/ti/phy-ti-pipe3.c
+++ b/drivers/phy/ti/phy-ti-pipe3.c
@@ -667,12 +667,20 @@ static int ti_pipe3_get_clk(struct ti_pipe3 *phy)
return 0;
}
+static void ti_pipe3_put_device(voi... |
64961557efa1b98f375c0579779e7eeda1a02c42 | Analyze and fix the following issue in the Linux kernel code: phy: ti: omap-usb2: fix device leak at unbind | Problem Details:
Make sure to drop the reference to the control device taken by
of_find_device_by_node() during probe when the driver is unbound.
Fixes: 478b6c7436c2 ("usb: phy: omap-usb2: Don't use omap_get_control_dev()")
Cc: stable@vger.kernel.org # 3.13
Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Johan Ho... | ```diff
diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index c1a0ef979142..c444bb2530ca 100644
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -363,6 +363,13 @@ static void omap_usb2_init_errata(struct omap_usb *phy)
phy->flags |= OMAP_USB2_DISABLE_CHRG_DET;... |
bca065733afd1e3a89a02f05ffe14e966cd5f78e | Analyze and fix the following issue in the Linux kernel code: phy: tegra: xusb: fix device and OF node leak at probe | Problem Details:
Make sure to drop the references taken to the PMC OF node and device by
of_parse_phandle() and of_find_device_by_node() during probe.
Note the holding a reference to the PMC device does not prevent the
PMC regmap from going away (e.g. if the PMC driver is unbound) so there
is no need to keep the refer... | ```diff
diff --git a/drivers/phy/tegra/xusb-tegra210.c b/drivers/phy/tegra/xusb-tegra210.c
index ebc8a7e21a31..3409924498e9 100644
--- a/drivers/phy/tegra/xusb-tegra210.c
+++ b/drivers/phy/tegra/xusb-tegra210.c
@@ -3164,18 +3164,22 @@ tegra210_xusb_padctl_probe(struct device *dev,
}
pdev = of_find_device_by_node(... |
5cfdfc623835d40664f642b75a56d9934f24c5ff | Analyze and fix the following issue in the Linux kernel code: dt-bindings: phy: marvell,comphy-cp110: Fix clock and child node constraints | Problem Details:
In converting marvell,comphy-cp110 to schema, the constraints for clocks on
marvell,comphy-a3700 are wrong, the maximum number of child nodes are wrong,
and the phy nodes may have a 'connector' child node:
phy@18300 (marvell,comphy-a3700): clock-names: False schema does not allow ['xtal']
phy@120000 (... | ```diff
diff --git a/Documentation/devicetree/bindings/phy/marvell,comphy-cp110.yaml b/Documentation/devicetree/bindings/phy/marvell,comphy-cp110.yaml
index d9501df42886..c35d31642805 100644
--- a/Documentation/devicetree/bindings/phy/marvell,comphy-cp110.yaml
+++ b/Documentation/devicetree/bindings/phy/marvell,comphy-... |
810bd9066fb1871b8a9528f31f2fdbf2a8b73bf2 | Analyze and fix the following issue in the Linux kernel code: gpio: mlxbf3: use platform_get_irq_optional() | Problem Details:
The gpio-mlxbf3 driver interfaces with two GPIO controllers,
device instance 0 and 1. There is a single IRQ resource shared
between the two controllers, and it is found in the ACPI table for
device instance 0. The driver should not use platform_get_irq(),
otherwise this error is logged when probing ins... | ```diff
diff --git a/drivers/gpio/gpio-mlxbf3.c b/drivers/gpio/gpio-mlxbf3.c
index 10ea71273c89..ed29b07d16c1 100644
--- a/drivers/gpio/gpio-mlxbf3.c
+++ b/drivers/gpio/gpio-mlxbf3.c
@@ -227,7 +227,7 @@ static int mlxbf3_gpio_probe(struct platform_device *pdev)
gc->owner = THIS_MODULE;
gc->add_pin_ranges = mlxbf3_g... |
56bdf7270ff4f870e2d4bfacdc00161e766dba2d | Analyze and fix the following issue in the Linux kernel code: Revert "gpio: mlxbf3: only get IRQ for device instance 0" | Problem Details:
This reverts commit 10af0273a35ab4513ca1546644b8c853044da134.
While this change was merged, it is not the preferred solution.
During review of a similar change to the gpio-mlxbf2 driver, the
use of "platform_get_irq_optional" was identified as the preferred
solution, so let's use it for gpio-mlxbf3 dr... | ```diff
diff --git a/drivers/gpio/gpio-mlxbf3.c b/drivers/gpio/gpio-mlxbf3.c
index 9875e34bde72..10ea71273c89 100644
--- a/drivers/gpio/gpio-mlxbf3.c
+++ b/drivers/gpio/gpio-mlxbf3.c
@@ -190,9 +190,7 @@ static int mlxbf3_gpio_probe(struct platform_device *pdev)
struct mlxbf3_gpio_context *gs;
struct gpio_irq_chip *... |
d405ec23df13e6df599f5bd965a55d13420366b8 | Analyze and fix the following issue in the Linux kernel code: ACPI: processor: perflib: Move problematic pr->performance check | Problem Details:
Commit d33bd88ac0eb ("ACPI: processor: perflib: Fix initial _PPC limit
application") added a pr->performance check that prevents the frequency
QoS request from being added when the given processor has no performance
object. Unfortunately, this causes a WARN() in freq_qos_remove_request()
to trigger on... | ```diff
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 755003bf3a45..8972446b7162 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -180,7 +180,7 @@ void acpi_processor_ppc_init(struct cpufreq_policy *policy)
struct acpi_processor *pr = pe... |
82b3644d3deab496cc09f29f3449ede6824b3e8e | Analyze and fix the following issue in the Linux kernel code: device: rust: expand documentation for DeviceContext | Problem Details:
Expand the documentation around DeviceContext states and types, in order
to provide detailed information about their purpose and relationship
with each other.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Alice Ryhl <alic... | ```diff
diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs
index b8613289de8e..fe095a8eccb1 100644
--- a/rust/kernel/device.rs
+++ b/rust/kernel/device.rs
@@ -311,28 +311,75 @@ unsafe impl Send for Device {}
// synchronization in `struct device`.
unsafe impl Sync for Device {}
-/// Marker trait for the cont... |
0379eb8691b9c4477da0277ae0832036ca4410b4 | Analyze and fix the following issue in the Linux kernel code: HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() | Problem Details:
A malicious HID device can trigger a slab out-of-bounds during
mt_report_fixup() by passing in report descriptor smaller than
607 bytes. mt_report_fixup() attempts to patch byte offset 607
of the descriptor with 0x25 by first checking if byte offset
607 is 0x15 however it lacks bounds checks to verify ... | ```diff
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 294516a8f541..22c6314a8843 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1503,6 +1503,14 @@ static const __u8 *mt_report_fixup(struct hid_device *hdev, __u8 *rdesc,
if (hdev->vendor == I2C_VENDOR_... |
ac143d499479ca33b6f8d16395c32394089979cf | Analyze and fix the following issue in the Linux kernel code: HID: Kconfig: Fix spelling mistake "enthropy" -> "entropy" | Problem Details:
There is a spelling mistake in the HID_U2FZERO description. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com> | ```diff
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index a57901203aeb..79997553d8f9 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -1243,7 +1243,7 @@ config HID_U2FZERO
U2F Zero supports custom commands for blinking the LED
and getting data from the internal hardware RNG.
- The in... |
a84eeacbf9325fd7f604b80f246aaba157730cd5 | Analyze and fix the following issue in the Linux kernel code: HID: steelseries: refactor probe() and remove() | Problem Details:
steelseries_srws1_probe() still does not use devm_kzalloc() and
devm_led_classdev_register(), so there is a lot of code to safely manage
heap, which reduces readability and may cause memory leaks due to minor
patch mistakes in the future.
Therefore, it should be changed to use devm_kzalloc() and
devm_... | ```diff
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 5a1096283855..b7098cdc845a 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1292,6 +1292,8 @@
#define USB_VENDOR_ID_STEELSERIES 0x1038
#define USB_DEVICE_ID_STEELSERIES_SRWS1 0x1410
+#define USB_DEVICE_ID_STEELSERIES_ARCTIS_1... |
b3fc08ab9a565efb42fe08be046a0d203b82cdb8 | Analyze and fix the following issue in the Linux kernel code: net: prevent deadlocks when enabling NAPIs with mixed kthread config | Problem Details:
The following order of calls currently deadlocks if:
- device has threaded=1; and
- NAPI has persistent config with threaded=0.
netif_napi_add_weight_config()
dev->threaded == 1
napi_kthread_create()
napi_enable()
napi_restore_config()
napi_set_threaded(0)
napi_stop_... | ```diff
diff --git a/net/core/dev.c b/net/core/dev.c
index f180746382a1..5a3c0f40a93f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7357,8 +7357,9 @@ void netif_napi_add_weight_locked(struct net_device *dev,
* Clear dev->threaded if kthread creation failed so that
* threaded mode will not be enabled in nap... |
ccba9f6baa900e31ad1a4c36e6f3c176694f9eac | Analyze and fix the following issue in the Linux kernel code: net: update NAPI threaded config even for disabled NAPIs | Problem Details:
We have to make sure that all future NAPIs will have the right threaded
state when the state is configured on the device level.
We chose not to have an "unset" state for threaded, and not to wipe
the NAPI config clean when channels are explicitly disabled.
This means the persistent config structs "exis... | ```diff
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5e5de4b0a433..f3a3b761abfb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2071,6 +2071,8 @@ enum netdev_reg_state {
* @max_pacing_offload_horizon: max EDT offload horizon in nsec.
* @napi_config: An array of... |
bda053d6445717f8a4cd76f88caea2e39299fe07 | Analyze and fix the following issue in the Linux kernel code: selftests: drv-net: don't assume device has only 2 queues | Problem Details:
The test is implicitly assuming the device only has 2 queues.
A real device will likely have more. The exact problem is that
because NAPIs get added to the list from the head, the netlink
dump reports them in reverse order. So the naive napis[0] will
actually likely give us the _last_ NAPI, not the fir... | ```diff
diff --git a/tools/testing/selftests/drivers/net/napi_threaded.py b/tools/testing/selftests/drivers/net/napi_threaded.py
index b2698db39817..9699a100a87d 100755
--- a/tools/testing/selftests/drivers/net/napi_threaded.py
+++ b/tools/testing/selftests/drivers/net/napi_threaded.py
@@ -35,6 +35,8 @@ def _setup_defe... |
2c78fb287e1f430b929f2e49786518350d15605c | Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/hsmp: Ensure sock->metric_tbl_addr is non-NULL | Problem Details:
If metric table address is not allocated, accessing metrics_bin will
result in a NULL pointer dereference, so add a check.
Fixes: 5150542b8ec5 ("platform/x86/amd/hsmp: add support for metrics tbl")
Signed-off-by: Suma Hegde <suma.hegde@amd.com>
Link: https://lore.kernel.org/r/20250807100637.952729-1-s... | ```diff
diff --git a/drivers/platform/x86/amd/hsmp/hsmp.c b/drivers/platform/x86/amd/hsmp/hsmp.c
index 885e2f8136fd..19f82c1d3090 100644
--- a/drivers/platform/x86/amd/hsmp/hsmp.c
+++ b/drivers/platform/x86/amd/hsmp/hsmp.c
@@ -356,6 +356,11 @@ ssize_t hsmp_metric_tbl_read(struct hsmp_socket *sock, char *buf, size_t siz... |
dff6f36878799a5ffabd15336ce993dc737374dc | Analyze and fix the following issue in the Linux kernel code: platform/x86/intel-uncore-freq: Check write blocked for ELC | Problem Details:
Add the missing write_blocked check for updating sysfs related to uncore
efficiency latency control (ELC). If write operation is blocked return
error.
Fixes: bb516dc79c4a ("platform/x86/intel-uncore-freq: Add support for efficiency latency control")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruv... | ```diff
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
index 6df55c8e16b7..bfcf92aa4d69 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
+++ b/drivers/platform/x86/intel/uncore-frequen... |
d26a9f4f0a7745f0d5127344379a62007df68dcd | Analyze and fix the following issue in the Linux kernel code: platform/x86: dell-smbios-wmi: Stop touching WMI device ID | Problem Details:
The Dell SMBIOS driver uses the "id" field inside struct device for
prioritizing the WMI backend over the SMM backend. Because of this
the WMI backend modifies the "id" field of the underlying WMI device.
However the WMI core itself uses wdev->dev.id internally to track
device IDs, so modifying this va... | ```diff
diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c
index 01c72b91a50d..444786102f02 100644
--- a/drivers/platform/x86/dell/dell-smbios-base.c
+++ b/drivers/platform/x86/dell/dell-smbios-base.c
@@ -39,6 +39,7 @@ struct token_sysfs_data {
struct smbios_device... |
528a813a5d98702cc6fd51983484cf7eec9ebcac | Analyze and fix the following issue in the Linux kernel code: spi: mtk-snfi: Remove redundant semicolons | Problem Details:
Remove unnecessary semicolons.
Fixes: 764f1b7481645 ("spi: add driver for MTK SPI NAND Flash Interface")
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Link: https://patch.msgid.link/20250812033817.487565-3-liaoyuanhong@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org> | ```diff
diff --git a/drivers/spi/spi-mtk-snfi.c b/drivers/spi/spi-mtk-snfi.c
index e82ee6dcf498..ae38c244e258 100644
--- a/drivers/spi/spi-mtk-snfi.c
+++ b/drivers/spi/spi-mtk-snfi.c
@@ -1139,7 +1139,6 @@ static int mtk_snand_write_page_cache(struct mtk_snand *snf,
// Prepare for custom write interrupt
nfi_write32(... |
0ecc0e17f05bbb953b6ea3812e78bab224f08595 | Analyze and fix the following issue in the Linux kernel code: spi: bcm2835: Remove redundant semicolons | Problem Details:
Remove unnecessary semicolons after comments.
Fixes: 3ecd37edaa2a6 ("spi: bcm2835: enable dma modes for transfers meeting certain conditions")
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Link: https://patch.msgid.link/20250812033817.487565-2-liaoyuanhong@vivo.com
Signed-off-by: Mark Brown <br... | ```diff
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index 77de5a07639a..192cc5ef65fb 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -622,7 +622,7 @@ static void bcm2835_spi_dma_rx_done(void *data)
/* reset fifo and HW */
bcm2835_spi_reset_hw(bs);
- /* and mark as ... |
bdf0f2c84332f1e1b9dc3b267061e263bfaff097 | Analyze and fix the following issue in the Linux kernel code: ASoC: fix "dependant"->"dependent" | Problem Details:
Trivial fix to spelling mistake in comment text.
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Link: https://patch.msgid.link/20250811070418.352104-1-zhao.xichao@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org> | ```diff
diff --git a/sound/soc/codecs/wm8994.h b/sound/soc/codecs/wm8994.h
index bc584b17bf28..b28398aa9e48 100644
--- a/sound/soc/codecs/wm8994.h
+++ b/sound/soc/codecs/wm8994.h
@@ -106,33 +106,33 @@ struct wm8994_priv {
int vss_ena[3];
int enh_eq_ena[3];
- /* Platform dependant DRC configuration */
+ /* Platfor... |
9337166fa1d80f7bb7c7d3a8f901f21c348c0f2a | Analyze and fix the following issue in the Linux kernel code: drm/xe: Assign ioctl xe file handler to vm in xe_vm_create | Problem Details:
In several code paths, such as xe_pt_create(), the vm->xef field is used
to determine whether a VM originates from userspace or the kernel.
Previously, this handler was only assigned in xe_vm_create_ioctl(),
after the VM was created by xe_vm_create(). However, xe_vm_create()
triggers page table creati... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index 45cde272d45f..ddfad7506a82 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -409,7 +409,7 @@ int xe_migrate_init(struct xe_migrate *m)
/* Special layout, prepared below.. */
vm = xe_vm... |
e93f7af148222303c4632318536c0f649b4ee5b1 | Analyze and fix the following issue in the Linux kernel code: docs: Fix name for net.ipv4.udp_child_hash_entries | Problem Details:
udp_child_ehash_entries -> udp_child_hash_entries
Fixes: 9804985bf27f ("udp: Introduce optional per-netns hash table.")
Signed-off-by: Jordan Rife <jordan@jrife.io>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250808185800.1189042-1-jordan@jrife.io
Signed-off-by:... | ```diff
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index bb620f554598..9756d16e3df1 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -1420,7 +1420,7 @@ udp_hash_entries - INTEGER
A negative value means the networking ... |
a7f75e2883c4bd57b12c3be61bb926929adad9c0 | Analyze and fix the following issue in the Linux kernel code: riscv: dts: thead: Add APB clocks for TH1520 GMACs | Problem Details:
Describe perisys-apb4-hclk as the APB clock for TH1520 SoC, which is
essential for accessing GMAC glue registers.
Fixes: 7e756671a664 ("riscv: dts: thead: Add TH1520 ethernet nodes")
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Drew Fustini <fustini@kernel.org>
Tested-by: Drew Fustini <fusti... | ```diff
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 42724bf7e90e..03f1d7319049 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -297,8 +297,9 @@
reg-names = "dwmac", "apb";
interrupts = <67 IRQ_TYPE_LEVEL_HIGH>... |
4cc339ce482ba78589a2d5cbe1c84b735d263383 | Analyze and fix the following issue in the Linux kernel code: net: stmmac: thead: Get and enable APB clock on initialization | Problem Details:
It's necessary to adjust the MAC TX clock when the linkspeed changes,
but it's noted such adjustment always fails on TH1520 SoC, and reading
back from APB glue registers that control clock generation results in
garbage, causing broken link.
With some testing, it's found a clock must be ungated for acc... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c
index c72ee759aae5..f2946bea0bc2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c
@@ -211,6 +211,7 @@ static int thead_dwmac_pr... |
c8a9a619c072e9a45e9a9b4b035269427dc00aa8 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: net: thead,th1520-gmac: Describe APB interface clock | Problem Details:
Besides ones for GMAC core and peripheral registers, the TH1520 GMAC
requires one more clock for configuring APB glue registers. Describe
it in the binding.
Fixes: f920ce04c399 ("dt-bindings: net: Add T-HEAD dwmac support")
Signed-off-by: Yao Zi <ziyao@disroot.org>
Acked-by: Krzysztof Kozlowski <krzys... | ```diff
diff --git a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
index 6d9de3303762..b3492a9aa4ef 100644
--- a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
+++ b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
@... |
942e47ab228c7dd27c2ae043c17e7aab2028082c | Analyze and fix the following issue in the Linux kernel code: phy: qualcomm: phy-qcom-eusb2-repeater: fix override properties | Problem Details:
property "qcom,tune-usb2-preem" is for EUSB2_TUNE_USB2_PREEM
property "qcom,tune-usb2-amplitude" is for EUSB2_TUNE_IUSB2
The downstream correspondence is as follows:
EUSB2_TUNE_USB2_PREEM: Tx pre-emphasis tuning
EUSB2_TUNE_IUSB2: HS trasmit amplitude
EUSB2_TUNE_SQUELCH_U: Squelch detection threshold
E... | ```diff
diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c
index e0f2acc8109c..8fcbc312fd61 100644
--- a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c
+++ b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c
@@ -127,13 +127,13 @@ static int eusb2_repeater_init(stru... |
5eb1bcdb6a8c088514019c3a9bda5d565beed1af | Analyze and fix the following issue in the Linux kernel code: x86/sev: Improve handling of writes to intercepted TSC MSRs | Problem Details:
Currently, when a Secure TSC enabled SNP guest attempts to write to the
intercepted GUEST_TSC_FREQ MSR (a read-only MSR), the guest kernel response
incorrectly implies a VMM configuration error, when in fact it is the usual
VMM configuration to intercept writes to read-only MSRs, unless explicitly
docu... | ```diff
diff --git a/arch/x86/coco/sev/vc-handle.c b/arch/x86/coco/sev/vc-handle.c
index faf1fce89ed4..c3b4acbde0d8 100644
--- a/arch/x86/coco/sev/vc-handle.c
+++ b/arch/x86/coco/sev/vc-handle.c
@@ -371,29 +371,30 @@ static enum es_result __vc_handle_msr_caa(struct pt_regs *regs, bool write)
* executing with Secure T... |
8ea25274ebaf2f6be8be374633b2ed8348ec0e70 | Analyze and fix the following issue in the Linux kernel code: net: mdiobus: release reset_gpio in mdiobus_unregister_device() | Problem Details:
reset_gpio is claimed in mdiobus_register_device(), but it is not
released in mdiobus_unregister_device(). It is instead only
released when the whole MDIO bus is unregistered.
When a device uses the reset_gpio property, it becomes impossible
to unregister it and register it again, because the GPIO rema... | ```diff
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index fda2e27c1810..cad6ed3aa10b 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -91,6 +91,7 @@ int mdiobus_unregister_device(struct mdio_device *mdiodev)
if (mdiodev->bus->mdio_map[mdiodev->addr] != mdiodev)
r... |
78a474b5a31a25e0a77e50df42be925f7cb575e6 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: phy: fsl,imx8mq-usb: Drop 'db' suffix duplicating dtschema | Problem Details:
A common property unit suffix '-db' was added to dtschema, thus
in-kernel bindings should not reference the type.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250811-dt-bindings-db-v1-2-4573015... | ```diff
diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
index 22dd91591a09..6a47e08e0e97 100644
--- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.ya... |
8ee90742cf29427683294a6a80f1e2b7f4af1cff | Analyze and fix the following issue in the Linux kernel code: net: phy: nxp-c45-tja11xx: fix the PHY ID mismatch issue when using C45 | Problem Details:
TJA1103/04/20/21 support both C22 and C45 accessing methods.
The TJA11xx driver has implemented the match_phy_device() API.
However, it does not handle the C45 ID. If C45 was used to access
TJA11xx, match_phy_device() would always return false due to
phydev->phy_id only used by C22 being empty, result... | ```diff
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 4c6d905f0a9f..87adb6508017 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -1965,24 +1965,27 @@ static int nxp_c45_macsec_ability(struct phy_device *phydev)
return macsec_ability;... |
6cb52cba474b2bec1a3018d3dbf75292059a29a1 | Analyze and fix the following issue in the Linux kernel code: drm/i915/icl+/tc: Convert AUX powered WARN to a debug message | Problem Details:
The BIOS can leave the AUX power well enabled on an output, even if this
isn't required (on platforms where the AUX power is only needed for an
AUX access). This was observed at least on PTL. To avoid the WARN which
would be triggered by this during the HW readout, convert the WARN to a
debug message.
... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 6a2442a0649e..668ef139391b 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -1498,11 +1498,11 @@ static void intel_tc_port_reset_mode(struct intel_tc_port *tc... |
33cf70bc0fe760224f892bc1854a33665f27d482 | Analyze and fix the following issue in the Linux kernel code: drm/i915/lnl+/tc: Fix max lane count HW readout | Problem Details:
On LNL+ for a disconnected sink the pin assignment value gets cleared by
the HW/FW as soon as the sink gets disconnected, even if the PHY
ownership got acquired already by the BIOS/driver (and hence the PHY
itself is still connected and used by the display). During HW readout
this can result in detecti... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 34435c4fc280..3f9842040bb0 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -23,6 +23,7 @@
#include "intel_modeset_lock.h"
#include "intel_tc.h"
+#define ... |
89f4b196ee4b056e0e8c179b247b29d4a71a4e7e | Analyze and fix the following issue in the Linux kernel code: drm/i915/lnl+/tc: Fix handling of an enabled/disconnected dp-alt sink | Problem Details:
The TypeC PHY HW readout during driver loading and system resume
determines which TypeC mode the PHY is in (legacy/DP-alt/TBT-alt) and
whether the PHY is connected, based on the PHY's Owned and Ready flags.
For the PHY to be in DP-alt or legacy mode and for the PHY to be in the
connected state in these... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 3bc57579fe53..8208539bfe66 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -1226,14 +1226,19 @@ static void tc_phy_get_hw_state(struct intel_tc_port *tc)
t... |
26a8bf978ae9cd7688af1d08bc8760674d372e22 | Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: Lock rtwdev->mutex before setting the LED | Problem Details:
Some users report that the LED blinking breaks AP mode somehow. Most
likely the LED code and the dynamic mechanism are trying to access the
hardware registers at the same time. Fix it by locking rtwdev->mutex
before setting the LED and unlocking it after.
Fixes: 4b6652bc6d8d ("wifi: rtw88: Add support... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw88/led.c b/drivers/net/wireless/realtek/rtw88/led.c
index 25aa6cbaa728..7f9ace351a5b 100644
--- a/drivers/net/wireless/realtek/rtw88/led.c
+++ b/drivers/net/wireless/realtek/rtw88/led.c
@@ -6,13 +6,23 @@
#include "debug.h"
#include "led.h"
-static int rtw_led_set... |
184889dfe0568528fd6d14bba864dd57ed45bbf2 | Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Do not trigger Frame Change events from frontbuffer flush | Problem Details:
We want to get rid of triggering "Frame Change" events from
frontbuffer flush calls. We are about to move using TRANS_PUSH
register for this on LunarLake and onwards. Touching TRANS_PUSH
register from fronbuffer flush would be problematic as it's written by
DSB as well.
Fix this by using intel_psr_exi... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index ae9053919211..41988e193a41 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -3275,7 +3275,9 @@ static void intel_psr_configure_full_frame_update(struct in... |
fd56b9c9507f32b16159f9a922e1af5628254567 | Analyze and fix the following issue in the Linux kernel code: drm/i915/fbc: fix the implementation of wa_18038517565 | Problem Details:
As per the wa_18038517565, we need to disable FBC compressor
clock gating before enabling FBC and enable after disabling
FBC. Placing the enabling of clock gating in the fbc deactivate
function can make the above wa logic go wrong in case of
frontbuffer rendering FBC mechanism. FBC deactivate can get
c... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 6e26cb4c5724..685ac98bd001 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -552,10 +552,6 @@ static void ilk_fbc_deactivate(struct intel_fbc *fbc)
if (... |
58de1f91e033b1fface8d8948984583125f93736 | Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: sdio: use indirect IO for device registers before power-on | Problem Details:
The register REG_SYS_CFG1 is used to determine chip basic information
as arguments of following flows, such as download firmware and load PHY
parameters, so driver read the value early (before power-on).
However, the direct IO is disallowed before power-on, or it causes wrong
values, which driver reco... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw88/sdio.c b/drivers/net/wireless/realtek/rtw88/sdio.c
index cc2d4fef3587..99d7c629eac6 100644
--- a/drivers/net/wireless/realtek/rtw88/sdio.c
+++ b/drivers/net/wireless/realtek/rtw88/sdio.c
@@ -144,6 +144,10 @@ static u32 rtw_sdio_to_io_address(struct rtw_dev *rtwdev... |
ae014fbc99c7f986ee785233e7a5336834e39af4 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: rzg2lc-smarc: Disable CAN-FD channel0 | Problem Details:
On RZ/G2LC SMARC EVK, CAN-FD channel0 is not populated, and currently we
are deleting a wrong and nonexistent node. Fixing the wrong node would
invoke a dtb warning message, as channel0 is a required property.
Disable CAN-FD channel0 instead of deleting the node.
Fixes: 46da632734a5 ("arm64: dts: ren... | ```diff
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
index 345b779e4f60..f3d7eff0d2f2 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
@@ -48,7 +48,10 @@
#if (SW_SCIF_CAN || SW_RSPI_CAN)
&canfd ... |
0a0e0852f3f339afdc75ff62750eae3857437231 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a09g057h48-kakip: Fix misplaced article | Problem Details:
Move the article "the" before the full name of the board.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/280176885acf46d117a0ab9a02c314e2b5cf250f.1753950938.git.geert+renesas@glider.be | ```diff
diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts b/arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts
index d2586d278769..f6f2cb7d2d25 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts
@@ -1,6 +1,6 @@
// SPDX-License-Identifi... |
9af8f2b469c0438620832f3729a3c5c03853b56b | Analyze and fix the following issue in the Linux kernel code: drm/panic: Add a u64 divide by 10 for arm32 | Problem Details:
On 32bits ARM, u64 divided by a constant is not optimized to a
multiply by inverse by the compiler [1].
So do the multiply by inverse explicitly for this architecture.
Link: https://github.com/llvm/llvm-project/issues/37280 [1]
Reported-by: Andrei Lalaev <andrey.lalaev@gmail.com>
Closes: https://lore.... | ```diff
diff --git a/drivers/gpu/drm/drm_panic_qr.rs b/drivers/gpu/drm/drm_panic_qr.rs
index 09a9b452e8b7..50c286c5cee8 100644
--- a/drivers/gpu/drm/drm_panic_qr.rs
+++ b/drivers/gpu/drm/drm_panic_qr.rs
@@ -381,6 +381,26 @@ struct DecFifo {
len: usize,
}
+// On arm32 architecture, dividing an `u64` by a constan... |
54d4f445517fe8350d735624d7f4225e7511d9eb | Analyze and fix the following issue in the Linux kernel code: drm/panfrost: Print RSS for tiler heap BO's in debugfs GEMS file | Problem Details:
Otherwise it would display the virtual allocation size, which is often
much bigger than the RSS.
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Fixes: e48ade5e23ba ("drm/panfrost: show device-wide list of DRM GEM objects over DebugFS")
Tested-by: Christopher Healy <healych@amazon.com>
Re... | ```diff
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c
index bb73f2a68a12..85d6289a6eda 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.c
@@ -432,7 +432,7 @@ static void panfrost_gem_debugfs_bo_print(struct panfrost_gem_obj... |
c0e1b774f68bdbea1618e356e30672c7f1e32509 | Analyze and fix the following issue in the Linux kernel code: proc: proc_maps_open allow proc_mem_open to return NULL | Problem Details:
The commit 65c66047259f ("proc: fix the issue of proc_mem_open returning
NULL") caused proc_maps_open() to return -ESRCH when proc_mem_open()
returns NULL. This breaks legitimate /proc/<pid>/maps access for kernel
threads since kernel threads have NULL mm_struct.
The regression causes perf to fail an... | ```diff
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index ee1e4ccd33bd..29cca0e6d0ff 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -340,8 +340,8 @@ static int proc_maps_open(struct inode *inode, struct file *file,
priv->inode = inode;
priv->mm = proc_mem_open(inode, PTRACE_MODE_READ);
- if ... |
0b5be138ce00f421bd7cc5a226061bd62c4ab850 | Analyze and fix the following issue in the Linux kernel code: mm/mremap: avoid expensive folio lookup on mremap folio pte batch | Problem Details:
It was discovered in the attached report that commit f822a9a81a31 ("mm:
optimize mremap() by PTE batching") introduced a significant performance
regression on a number of metrics on x86-64, most notably
stress-ng.bigheap.realloc_calls_per_sec - indicating a 37.3% regression in
number of mremap() calls ... | ```diff
diff --git a/mm/mremap.c b/mm/mremap.c
index 677a4d744df9..9afa8cd524f5 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -179,6 +179,10 @@ static int mremap_folio_pte_batch(struct vm_area_struct *vma, unsigned long addr
if (max_nr == 1)
return 1;
+ /* Avoid expensive folio lookup if we stand no chance of be... |
aba6faec0103ed8f169be8dce2ead41fcb689446 | Analyze and fix the following issue in the Linux kernel code: userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry | Problem Details:
When UFFDIO_MOVE encounters a migration PMD entry, it proceeds with
obtaining a folio and accessing it even though the entry is swp_entry_t.
Add the missing check and let split_huge_pmd() handle migration entries.
While at it also remove unnecessary folio check.
[surenb@google.com: remove extra foli... | ```diff
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index cbed91b09640..45e6290e2e8b 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -1821,13 +1821,16 @@ ssize_t move_pages(struct userfaultfd_ctx *ctx, unsigned long dst_start,
/* Check if we can move the pmd without splitting it. */
if (move_splits... |
cf1b80dc31a1137b8b4568c138b453bf7453204a | Analyze and fix the following issue in the Linux kernel code: mm: pass page directly instead of using folio_page | Problem Details:
In commit_anon_folio_batch(), we iterate over all pages pointed to by the
PTE batch. Therefore we need to know the first page of the batch;
currently we derive that via folio_page(folio, 0), but, that takes us to
the first (head) page of the folio instead - our PTE batch may lie in the
middle of the f... | ```diff
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 78bded7acf79..113b48985834 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -120,9 +120,8 @@ static int mprotect_folio_pte_batch(struct folio *folio, pte_t *ptep,
static bool prot_numa_skip(struct vm_area_struct *vma, unsigned long addr,
pte_t oldpte, ... |
ab5ac789efa985e42bdb5b5e8a7a4ad84935d44e | Analyze and fix the following issue in the Linux kernel code: selftests/proc: fix string literal warning in proc-maps-race.c | Problem Details:
This change resolves non literal string format warning invoked for
proc-maps-race.c while compiling.
proc-maps-race.c:205:17: warning: format not a string literal and no format arguments [-Wformat-security]
205 | printf(text);
| ^~~~~~
proc-maps-race.c:209:17: war... | ```diff
diff --git a/tools/testing/selftests/proc/proc-maps-race.c b/tools/testing/selftests/proc/proc-maps-race.c
index 66773685a047..94bba4553130 100644
--- a/tools/testing/selftests/proc/proc-maps-race.c
+++ b/tools/testing/selftests/proc/proc-maps-race.c
@@ -202,11 +202,11 @@ static void print_first_lines(char *tex... |
47459937be8031aae6aaa17ac5f60985f7c9e1bd | Analyze and fix the following issue in the Linux kernel code: sphinx: parser_yaml.py: fix line numbers information | Problem Details:
As reported by Donald, this code:
rst_parser = RSTParser()
rst_parser.parse('\n'.join(result), document)
breaks line parsing. As an alternative, I tested a variant of it:
rst_parser.parse(result, document)
but still line number was not preserved. As Donald noted,
standard Parser classes don't ha... | ```diff
diff --git a/Documentation/sphinx/parser_yaml.py b/Documentation/sphinx/parser_yaml.py
index 1602b31f448e..634d84a202fc 100755
--- a/Documentation/sphinx/parser_yaml.py
+++ b/Documentation/sphinx/parser_yaml.py
@@ -11,7 +11,9 @@ import sys
from pprint import pformat
+from docutils import statemachine
from... |
d90555ef0603935529837e490d5acc8436297c56 | Analyze and fix the following issue in the Linux kernel code: docs: parser_yaml.py: fix backward compatibility with old docutils | Problem Details:
As reported by Akira, older docutils versions are not compatible
with the way some Sphinx versions send tab_width. Add a code to
address it.
Reported-by: Akira Yokosawa <akiyks@gmail.com>
Closes: https://lore.kernel.org/linux-doc/598b2cb7-2fd7-4388-96ba-2ddf0ab55d2a@gmail.com/
Tested-by: Akira Yokosaw... | ```diff
diff --git a/Documentation/sphinx/parser_yaml.py b/Documentation/sphinx/parser_yaml.py
index 8288e2ff7c7c..1602b31f448e 100755
--- a/Documentation/sphinx/parser_yaml.py
+++ b/Documentation/sphinx/parser_yaml.py
@@ -77,6 +77,10 @@ class YamlParser(Parser):
result.append(line, document.current_... |
21b137f651cf9d981e22d2c60a2a8105f50a6361 | Analyze and fix the following issue in the Linux kernel code: drm/bridge: it6505: select REGMAP_I2C | Problem Details:
Fix
aarch64-linux-gnu-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_i2c_probe':
ite-it6505.c:(.text+0x754): undefined reference to `__devm_regmap_init_i2c'
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Fixes: b5c84a9edcd4 ("drm/bridge: add it6505 driver")
Reviewed-by: Chen-Yu Tsai <... | ```diff
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 9cefbd15177a..6945029b3592 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -122,6 +122,7 @@ config DRM_ITE_IT6505
select EXTCON
select CRYPTO
select CRYPTO_HASH
+ select REGMAP_I2C
help... |
b63335fb3d32579c5ff0b7038b9cc23688fff528 | Analyze and fix the following issue in the Linux kernel code: cifs: Fix collect_sample() to handle any iterator type | Problem Details:
collect_sample() is used to gather samples of the data in a Write op for
analysis to try and determine if the compression algorithm is likely to
achieve anything more quickly than actually running the compression
algorithm.
However, collect_sample() assumes that the data it is going to be sampling
is ... | ```diff
diff --git a/fs/smb/client/compress.c b/fs/smb/client/compress.c
index 766b4de13da7..db709f5cd2e1 100644
--- a/fs/smb/client/compress.c
+++ b/fs/smb/client/compress.c
@@ -155,58 +155,29 @@ static int cmp_bkt(const void *_a, const void *_b)
}
/*
- * TODO:
- * Support other iter types, if required.
- * Only I... |
bc4c0a48bdad7f225740b8e750fdc1da6d85e1eb | Analyze and fix the following issue in the Linux kernel code: selftests/net: Ensure assert() triggers in psock_tpacket.c | Problem Details:
The get_next_frame() function in psock_tpacket.c was missing a return
statement in its default switch case, leading to a compiler warning.
This was caused by a `bug_on(1)` call, which is defined as an
`assert()`, being compiled out because NDEBUG is defined during the
build.
Instead of adding a `retu... | ```diff
diff --git a/tools/testing/selftests/net/psock_tpacket.c b/tools/testing/selftests/net/psock_tpacket.c
index 0dd909e325d9..2938045c5cf9 100644
--- a/tools/testing/selftests/net/psock_tpacket.c
+++ b/tools/testing/selftests/net/psock_tpacket.c
@@ -22,6 +22,7 @@
* - TPACKET_V3: RX_RING
*/
+#undef NDEBUG
... |
89886abd073489e26614e4d80fb8eb70d3938a0b | Analyze and fix the following issue in the Linux kernel code: net: stmmac: dwc-qos: fix clk prepare/enable leak on probe failure | Problem Details:
dwc_eth_dwmac_probe() gets bulk clocks, and then prepares and enables
them. Unfortunately, if dwc_eth_dwmac_config_dt() or stmmac_dvr_probe()
fail, we leave the clocks prepared and enabled. Fix this by using
devm_clk_bulk_get_all_enabled() to combine the steps and provide devm
based release of the prep... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 09ae16e026eb..6c363f9b0ce2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -330,15 +330,11 @@... |
de1e963ad064caf73ee2c7485b925f381a3aefbf | Analyze and fix the following issue in the Linux kernel code: net: stmmac: rk: put the PHY clock on remove | Problem Details:
The PHY clock (bsp_priv->clk_phy) is obtained using of_clk_get(), which
doesn't take part in the devm release. Therefore, when a device is
unbound, this clock needs to be explicitly put. Fix this.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Simon Horman <horms@kernel... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 79b92130a03f..f6687c2f30f6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1765,11 +1765,15 @@ err_gmac_powerdown:
static voi... |
67e980f58dd71d9483d5af683558f5913b1c95ae | Analyze and fix the following issue in the Linux kernel code: drm/i915/scaler: Fix condition for WA_14011503117 | Problem Details:
As scaler_state can never be null so no need to
check this, only check if scaler_id is less
than 0 or not.
v2: Add scaler_id check [Jani]
v3: Modify commit message[Suraj]
Fixes: 73309ed9d598 ("drm/i915/display: WA_14011503117")
Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Suraj Kan... | ```diff
diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c
index cd7ebbeb9508..c6cccf170ff1 100644
--- a/drivers/gpu/drm/i915/display/skl_scaler.c
+++ b/drivers/gpu/drm/i915/display/skl_scaler.c
@@ -960,7 +960,7 @@ void adl_scaler_ecc_unmask(const struct intel_crtc_state ... |
52966bf71de98fef4ca7b3be1349adc7459d6d53 | Analyze and fix the following issue in the Linux kernel code: ref_tracker: use %p instead of %px in debugfs dentry name | Problem Details:
As Kees points out, this is a kernel address leak, and debugging is
not a sufficiently good reason to expose the real kernel address.
Fixes: 65b584f53611 ("ref_tracker: automatically register a file in debugfs for a ref_tracker_dir")
Reported-by: Kees Cook <kees@kernel.org>
Closes: https://lore.kernel... | ```diff
diff --git a/lib/ref_tracker.c b/lib/ref_tracker.c
index a9e6ffcff04b..cce12287708e 100644
--- a/lib/ref_tracker.c
+++ b/lib/ref_tracker.c
@@ -434,7 +434,7 @@ void ref_tracker_dir_debugfs(struct ref_tracker_dir *dir)
if (dentry && !xa_is_err(dentry))
return;
- ret = snprintf(name, sizeof(name), "%s@%px",... |
a42938e80357a13f8b8592111e63f2e33a919863 | Analyze and fix the following issue in the Linux kernel code: zonefs: correct some spelling mistakes | Problem Details:
Trivial fix to spelling mistake in comment text.
(1) fix "unwriten"->"unwritten"
(2) fix "writen"->"written"
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org> | ```diff
diff --git a/fs/zonefs/file.c b/fs/zonefs/file.c
index fd3a5922f6c3..90e2ad8ee5f4 100644
--- a/fs/zonefs/file.c
+++ b/fs/zonefs/file.c
@@ -85,7 +85,7 @@ static int zonefs_write_iomap_begin(struct inode *inode, loff_t offset,
/*
* For conventional zones, all blocks are always mapped. For sequential
* zon... |
d41fb878adf64ef5dc4b4c25419e875483f62fe2 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sa8775p: remove aux clock from pcie phy | Problem Details:
The gcc_aux_clk is used by the PCIe Root Complex (RC) and is not required
by the PHY. The correct clock for the PHY is gcc_phy_aux_clk, which this
patch uses to replace the incorrect reference.
The distinction between AUX_CLK and PHY_AUX_CLK is important: AUX_CLK is
typically used by the controller, w... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
index 322abd0294be..4ccaddb7794c 100644
--- a/arch/arm64/boot/dts/qcom/lemans.dtsi
+++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
@@ -7719,16 +7719,18 @@
compatible = "qcom,sa8775p-qmp-gen4x2-pcie-phy";
reg = <0x0 0x1c040... |
19e7aa0e9e46d0ad111a4af55b3d681b6ad945e0 | Analyze and fix the following issue in the Linux kernel code: soc: qcom: smem: Fix endian-unaware access of num_entries | Problem Details:
Add a missing le32_to_cpu when accessing num_entries, which is always a
little endian integer.
Fixes booting on Xiaomi Mi 9T (xiaomi-davinci) in big endian.
Signed-off-by: Jens Reidel <adrian@mainlining.org>
Link: https://lore.kernel.org/r/20250726235646.254730-1-adrian@mainlining.org
Signed-off-by: ... | ```diff
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index cf425930539e..c4c45f15dca4 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -898,7 +898,7 @@ static u32 qcom_smem_get_item_count(struct qcom_smem *smem)
if (IS_ERR_OR_NULL(ptable))
return SMEM_ITEM_COUNT;
- info = (... |
642af3f3d59003657483d60bb6b7229a43ff56e7 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sc7280-chrome-common: Remove duplicate node | Problem Details:
sc7280.dtsi already includes the very same definition (bar 'memory@'
vs 'video@', which doesn't matter). Remove the duplicate to fix a lot
of dtbs W=1 warning instances (unique_unit_address_if_enabled).
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Douglas Anderson <dianders@... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
index 8b4239f13748..84c6d662b54f 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi
@@ -44,11 +44,6 @@
reg = <0x0 0x8ad00... |
2872c8982c80e22f9a7fc4db7d8f0e8188ab4cd7 | Analyze and fix the following issue in the Linux kernel code: gpu: nova-core: vbios: change PmuLookupTableEntry to use size_of | Problem Details:
Annotate the PmuLookupTableEntry with an `#[repr(C, packed)]` attribute.
Removes another magic number by making the struct the same size as the
data it needs to read, allowing the use of
`size_of::<PmuLookupTableEntry>()`
[acourbot@nvidia.com: remove `dead_code` expect to fix `unfulfilled_lint_expecta... | ```diff
diff --git a/drivers/gpu/nova-core/vbios.rs b/drivers/gpu/nova-core/vbios.rs
index b4bca1919d8f..50fbea69fc00 100644
--- a/drivers/gpu/nova-core/vbios.rs
+++ b/drivers/gpu/nova-core/vbios.rs
@@ -892,7 +892,7 @@ impl TryFrom<BiosImageBase> for PciAtBiosImage {
/// The [`PmuLookupTableEntry`] structure is a sing... |
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