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c5cff16f461a4a434a9915a7be7ac9ced861a8a4
Analyze and fix the following issue in the Linux kernel code: i40e: fix registers dump after run ethtool adapter self test
Problem Details: Fix invalid registers dump from ethtool -d ethX after adapter self test by ethtool -t ethY. It causes invalid data display. The problem was caused by overwriting i40e_reg_list[].elements which is common for ethtool self test and dump. Fixes: 22dd9ae8afcc ("i40e: Rework register diagnostic") Signed-of...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.c b/drivers/net/ethernet/intel/i40e/i40e_diag.c index 5b3519c6e362..97fe1787a8f4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.c +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.c @@ -44,7 +44,7 @@ static int i40e_diag_reg_pattern_test(struct i40e_h...
765f3604641e1524389e1d6431974d2bbcab14a7
Analyze and fix the following issue in the Linux kernel code: octeon_ep: unlock the correct lock on error path
Problem Details: The h and the f letters are swapped so it unlocks the wrong lock. Fixes: 577f0d1b1c5f ("octeon_ep: add separate mailbox command and response queues") Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/251aa2a2-913e-4868-aac...
```diff diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c index a4ee6f3ae354..035ead7935c7 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c @@ -167,7 +167,7 ...
8c495270845d6b4854607e946baef3637a8259ed
Analyze and fix the following issue in the Linux kernel code: bnx2x: use the right build_skb() helper
Problem Details: build_skb() no longer accepts slab buffers. Since slab use is fairly uncommon we prefer the drivers to call a separate slab_build_skb() function appropriately. bnx2x uses the old semantics where size of 0 meant buffer from slab. It sets the fp->rx_frag_size to 0 for MTUs which don't fit in a page. It ...
```diff diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 16c490692f42..12083b9679b5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -672,6 +672,18 @@ static int bnx2x_fill_frag_skb(s...
6c75dc94f2b27fff57b305af9236eea181a00b6c
Analyze and fix the following issue in the Linux kernel code: net: ipa: compute DMA pool size properly
Problem Details: In gsi_trans_pool_init_dma(), the total size of a pool of memory used for DMA transactions is calculated. However the calculation is done incorrectly. For 4KB pages, this total size is currently always more than one page, and as a result, the calculation produces a positive (though incorrect) total s...
```diff diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c index 0f52c068c46d..ee6fb00b71eb 100644 --- a/drivers/net/ipa/gsi_trans.c +++ b/drivers/net/ipa/gsi_trans.c @@ -156,7 +156,7 @@ int gsi_trans_pool_init_dma(struct device *dev, struct gsi_trans_pool *pool, * gsi_trans_pool_exit_dma() can a...
e2b47e585931a988c856fd4ba31e1296f749aee3
Analyze and fix the following issue in the Linux kernel code: cpufreq: qcom-cpufreq-hw: Revert adding cpufreq qos
Problem Details: The OSM/EPSS hardware controls the frequency of each CPU cluster based on requests from the OS and various throttling events in the system. While throttling is in effect the related dcvs interrupt will be kept high. The purpose of the code handling this interrupt is to continuously report the thermal p...
```diff diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index b75e6157dc81..eb54f7f17ab5 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -14,7 +14,6 @@ #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/pm_opp.h> -...
ba5e770c9698782bc203bbf5cf3b36a77720bdbe
Analyze and fix the following issue in the Linux kernel code: cpufreq: qcom-cpufreq-hw: fix double IO unmap and resource release on exit
Problem Details: Commit 054a3ef683a1 ("cpufreq: qcom-hw: Allocate qcom_cpufreq_data during probe") moved getting memory resource and iomap from qcom_cpufreq_hw_cpu_init() to the probe function, however it left untouched cleanup in qcom_cpufreq_hw_cpu_exit(). During device unbind this will lead to doule release of reso...
```diff diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 575a4461c25a..b75e6157dc81 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -45,7 +45,6 @@ struct qcom_cpufreq_soc_data { struct qcom_cpufreq_data { void __iomem *base; - struct...
0883426fd07e39355362e3f2eb9aee1a154dcaf6
Analyze and fix the following issue in the Linux kernel code: cpufreq: mediatek: Raise proc and sram max voltage for MT7622/7623
Problem Details: During the addition of SRAM voltage tracking for CCI scaling, this driver got some voltage limits set for the vtrack algorithm: these were moved to platform data first, then enforced in a later commit 6a17b3876bc8 ("cpufreq: mediatek: Refine mtk_cpufreq_voltage_tracking()") using these as max values fo...
```diff diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index 764e4fbdd536..9a39a7ccfae9 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -693,6 +693,15 @@ static const struct mtk_cpufreq_platform_data mt2701_platform_data = { .ccifreq_su...
d3296bb4cafd4bad4a5cf2eeab9d19cc94f9e30e
Analyze and fix the following issue in the Linux kernel code: cpufreq: mediatek: raise proc/sram max voltage for MT8516
Problem Details: Since the upper boundary of proc/sram voltage of MT8516 is 1300 mV, which is greater than the value of MT2701 1150 mV, we fix it by adding the corresponding platform data and specify proc/sram_max_volt to support MT8516. Signed-off-by: Jia-Wei Chang <jia-wei.chang@mediatek.com> Fixes: ead858bd128d ("c...
```diff diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index 6dc225546a8d..764e4fbdd536 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -711,20 +711,29 @@ static const struct mtk_cpufreq_platform_data mt8186_platform_data = { .ccifreq_s...
d51e106240bc755cbe59634b70d567c192b045b2
Analyze and fix the following issue in the Linux kernel code: cpufreq: mediatek: fix KP caused by handler usage after regulator_put/clk_put
Problem Details: Any kind of failure in mtk_cpu_dvfs_info_init() will lead to calling regulator_put() or clk_put() and the KP will occur since the regulator/clk handlers are used after released in mtk_cpu_dvfs_info_release(). To prevent the usage after regulator_put()/clk_put(), the regulator/clk handlers are addresse...
```diff diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index 01d949707c37..6dc225546a8d 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -420,7 +420,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) ret = P...
d51c63230994f167126d9d8381011b4cb2b0ad22
Analyze and fix the following issue in the Linux kernel code: cpufreq: mediatek: fix passing zero to 'PTR_ERR'
Problem Details: In order to prevent passing zero to 'PTR_ERR' in mtk_cpu_dvfs_info_init(), we fix the return value of of_get_cci() using error pointer by explicitly casting error number. Signed-off-by: Jia-Wei Chang <jia-wei.chang@mediatek.com> Fixes: 0daa47325bae ("cpufreq: mediatek: Link CCI device to CPU") Reporte...
```diff diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index 7f2680bc9a0f..01d949707c37 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -373,13 +373,13 @@ static struct device *of_get_cci(struct device *cpu_dev) struct platform_device *...
88eaba80328b31ef81813a1207b4056efd7006a6
Analyze and fix the following issue in the Linux kernel code: nvme-tcp: fix a possible UAF when failing to allocate an io queue
Problem Details: When we allocate a nvme-tcp queue, we set the data_ready callback before we actually need to use it. This creates the potential that if a stray controller sends us data on the socket before we connect, we can trigger the io_work and start consuming the socket. In this case reported: we failed to alloc...
```diff diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 42c0598c31f2..49c9e7bc9116 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1620,22 +1620,7 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid) if (ret) goto err_init_connect; - queue->rd_enabled =...
7232282dd47cce6a780c9414bd9baccf232c7686
Analyze and fix the following issue in the Linux kernel code: kunit: increase KUNIT_LOG_SIZE to 2048 bytes
Problem Details: The s390 specific test_unwind kunit test has 39 parameterized tests. The results in debugfs are truncated since the full log doesn't fit into 1500 bytes. Therefore increase KUNIT_LOG_SIZE to 2048 bytes in a similar way like it was done recently with commit "kunit: fix bug in debugfs logs of parameteriz...
```diff diff --git a/include/kunit/test.h b/include/kunit/test.h index 9721584027d8..57b309c6ca27 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -34,7 +34,7 @@ DECLARE_STATIC_KEY_FALSE(kunit_running); struct kunit; /* Size of log associated with test. */ -#define KUNIT_LOG_SIZE 1500 +#define KUNIT_...
b3c63d7ad81ad6f43921d59af18fc25c64327a74
Analyze and fix the following issue in the Linux kernel code: veristat: add -d debug mode option to see debug libbpf log
Problem Details: Add -d option to allow requesting libbpf debug logs from veristat. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20230327185202.1929145-3-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
```diff diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c index 83231456d3c5..263df32fbda8 100644 --- a/tools/testing/selftests/bpf/veristat.c +++ b/tools/testing/selftests/bpf/veristat.c @@ -135,6 +135,7 @@ static struct env { char **filenames; int filename_cnt; bool ve...
d6e6286a12e7b8a4ddc66237c4ccf6f531ef1c82
Analyze and fix the following issue in the Linux kernel code: libbpf: disassociate section handler on explicit bpf_program__set_type() call
Problem Details: If user explicitly overrides programs's type with bpf_program__set_type() API call, we need to disassociate whatever SEC_DEF handler libbpf determined initially based on program's SEC() definition, as it's not goind to be valid anymore and could lead to crashes and/or confusing failures. Also, fix up ...
```diff diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 15737d7b5a28..49cd304ae3bc 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8468,6 +8468,7 @@ int bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type) return libbpf_err(-EBUSY); prog->type = type; +...
b31507dcaf3566d8ec3bdbf9922d8d5748b08a0f
Analyze and fix the following issue in the Linux kernel code: dma-debug: Use %pa to format phys_addr_t
Problem Details: On 32-bit without LPAE: kernel/dma/debug.c: In function ‘debug_dma_dump_mappings’: kernel/dma/debug.c:537:7: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 9 has type ‘phys_addr_t’ {aka ‘unsigned int’} [-Wformat=] kernel/dma/debug.c: In function ‘dum...
```diff diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 676142072d99..f190651bcadd 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -534,11 +534,11 @@ void debug_dma_dump_mappings(struct device *dev) if (!dev || dev == entry->dev) { cln = to_cacheline_number(entry); dev_info(entry->d...
b4a2adbf3586efa12fe78b9dec047423e01f3010
Analyze and fix the following issue in the Linux kernel code: clk: tegra20: fix gcc-7 constant overflow warning
Problem Details: Older gcc versions get confused by comparing a u32 value to a negative constant in a switch()/case block: drivers/clk/tegra/clk-tegra20.c: In function 'tegra20_clk_measure_input_freq': drivers/clk/tegra/clk-tegra20.c:581:2: error: case label does not reduce to an integer constant case OSC_CTRL_OSC_F...
```diff diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 422d78247553..dcacc5064d33 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -21,24 +21,24 @@ #define MISC_CLK_ENB 0x48 #define OSC_CTRL 0x50 -#define OSC_CTRL_OSC_FREQ_MASK (3<<30) -#def...
1aa161e43106d46ca8e9a86f4aa28d420258134b
Analyze and fix the following issue in the Linux kernel code: f2fs: fix scheduling while atomic in decompression path
Problem Details: [ 16.945668][ C0] Call trace: [ 16.945678][ C0] dump_backtrace+0x110/0x204 [ 16.945706][ C0] dump_stack_lvl+0x84/0xbc [ 16.945735][ C0] __schedule_bug+0xb8/0x1ac [ 16.945756][ C0] __schedule+0x724/0xbdc [ 16.945778][ C0] schedule+0x154/0x258 [ 16.945793][ C0] bi...
```diff diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 9b7149534a58..3182e1506252 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -755,7 +755,12 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task) if (dic->clen > PAGE_SIZE * dic->nr_cpages - COMPRESS_HEADER_SIZE) { ...
92318f20d703885d0602bb5654a52d593ca45e30
Analyze and fix the following issue in the Linux kernel code: f2fs: preserve direct write semantics when buffering is forced
Problem Details: In some cases, e.g. for zoned block devices, direct writes are forced into buffered writes that will populate the page cache and be written out just like buffered io. Direct reads, on the other hand, is supported for the zoned block device case. This has the effect that applications built for direct i...
```diff diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 836173c53eb9..14e9a20e68df 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4541,6 +4541,19 @@ static const struct iomap_dio_ops f2fs_iomap_dio_write_ops = { .end_io = f2fs_dio_write_end_io, }; +static void f2fs_flush_buffered_write(struct address_spac...
babedcbac164cec970872b8097401ca913a80e61
Analyze and fix the following issue in the Linux kernel code: f2fs: compress: fix to call f2fs_wait_on_page_writeback() in f2fs_write_raw_pages()
Problem Details: BUG_ON() will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folio_end_writeback(struct folio *folio) 1598 { ...... 1618 if (!__folio_end_writeback(folio)) 1619 BUG(); ...... 1625 } kernel BUG at mm/filemap.c:1619! Call Tra...
```diff diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 93fec1d37899..9b7149534a58 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -1456,6 +1456,12 @@ continue_unlock: if (!PageDirty(cc->rpages[i])) goto continue_unlock; + if (PageWriteback(cc->rpages[i])) { + if (wbc->sync_mode == WB...
0b37ed21e3367539b79284e0b0af2246ffcf0dca
Analyze and fix the following issue in the Linux kernel code: f2fs: apply zone capacity to all zone type
Problem Details: If we manage the zone capacity per zone type, it'll break the GC assumption. And, the current logic complains valid block count mismatch. Let's apply zone capacity to all zone type, if specified. Fixes: de881df97768 ("f2fs: support zone capacity less than zone size") Reviewed-by: Chao Yu <chao@kernel....
```diff diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 67cb0805cdfa..61394346febe 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -5003,48 +5003,6 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi) return 0; } -static bool is_conv_zone(struct f2fs_sb_info *sbi, unsigned int zone_idx, - ...
b822dc914917f9381e7a04ff6872c1b6883dd4ae
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to handle filemap_fdatawrite() error in f2fs_ioc_decompress_file/f2fs_ioc_compress_file
Problem Details: It seems inappropriate that the current logic does not handle filemap_fdatawrite() errors, so let's fix it. Signed-off-by: Yangtao Li <frank.li@vivo.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 3fbfdfdca72f..836173c53eb9 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4063,8 +4063,11 @@ static int f2fs_ioc_decompress_file(struct file *filp) if (ret < 0) break; - if (get_dirty_pages(inode) >= blk_per_seg) - filemap_fdatawrite(inode->i_...
6797ebc4ac55e7539391a5155f8a27f614da6bc5
Analyze and fix the following issue in the Linux kernel code: f2fs: Fix discard bug on zoned block devices with 2MiB zone size
Problem Details: When using f2fs on a zoned block device with 2MiB zone size, IO errors occurs because f2fs tries to write data to a zone that has not been reset. The cause is that f2fs tries to discard multiple zones at once. This is caused by a condition in f2fs_clear_prefree_segments that does not check for zoned b...
```diff diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d135046108ef..67cb0805cdfa 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2069,7 +2069,9 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, (end - 1) <= cpc->trim_end) continue; - if (!f2fs_lfs_mode(sbi) || !__is_large...
bf21acf9959a48d90dd32869a0649525eb21be56
Analyze and fix the following issue in the Linux kernel code: f2fs: remove entire rb_entry sharing
Problem Details: This is a last part to remove the memory sharing for rb_tree in extent_cache. This should also fix arm32 memory alignment issue. [struct extent_node] [struct rb_entry] [0] struct rb_node rb_node; [0] struct rb_node rb_node; union { union { struc...
```diff diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index 5c206f941aac..9a8153895d20 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -161,95 +161,52 @@ static bool __is_front_mergeable(struct extent_info *cur, return __is_extent_mergeable(cur, front, type); } -static struct rb_...
f69475dd4878e5f2e316a6573044d55f294baa51
Analyze and fix the following issue in the Linux kernel code: f2fs: factor out discard_cmd usage from general rb_tree use
Problem Details: This is a second part to remove the mixed use of rb_tree in discard_cmd from extent_cache. This should also fix arm32 memory alignment issue caused by shared rb_entry. [struct discard_cmd] [struct rb_entry] [0] struct rb_node rb_node; [0] struct rb_node rb_node; union { ...
```diff diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index d1aa4609ca6b..5c206f941aac 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -192,7 +192,7 @@ static struct rb_entry *__lookup_rb_tree_slow(struct rb_root_cached *root, return NULL; } -struct rb_entry *f2fs_lookup_rb_tree(...
043d2d00b44310f84c0593c63e51fae88c829cdd
Analyze and fix the following issue in the Linux kernel code: f2fs: factor out victim_entry usage from general rb_tree use
Problem Details: Let's reduce the complexity of mixed use of rb_tree in victim_entry from extent_cache and discard_cmd. This should fix arm32 memory alignment issue caused by shared rb_entry. [struct victim_entry] [struct rb_entry] [0] struct rb_node rb_node; [0] struct rb_node rb_node; ...
```diff diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index 28b12553f2b3..d1aa4609ca6b 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -204,29 +204,6 @@ struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, return re; } -struct rb_node **f2fs_lookup_rb_tree_ext(struct...
c17caf0ba3aa3411b96c71b4ce24be1040b8f3e8
Analyze and fix the following issue in the Linux kernel code: f2fs: fix uninitialized skipped_gc_rwsem
Problem Details: When f2fs skipped a gc round during victim migration, there was a bug which would skip all upcoming gc rounds unconditionally because skipped_gc_rwsem was not initialized. It fixes the bug by correctly initializing the skipped_gc_rwsem inside the gc loop. Fixes: 6f8d4455060d ("f2fs: avoid fi->i_gc_rws...
```diff diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 0a9dfa459860..292a17d62f56 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1791,8 +1791,8 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) prefree_segments(sbi)); cpc.reason = __get_cp_reason(sbi); - sbi->skipped_gc_rwsem = 0; ...
8051692f5f23260215bfe9a72e712d93606acc5f
Analyze and fix the following issue in the Linux kernel code: f2fs: handle dqget error in f2fs_transfer_project_quota()
Problem Details: We should set the error code when dqget() failed. Fixes: 2c1d03056991 ("f2fs: support F2FS_IOC_FS{GET,SET}XATTR") Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 12d55023f71b..3fbfdfdca72f 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3009,15 +3009,16 @@ int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid) struct dquot *transfer_to[MAXQUOTAS] = {}; struct f2fs_sb_info *sbi = F2FS_I_SB(inode...
1e020e1b96afdecd20680b5b5be2a6ffc3d27628
Analyze and fix the following issue in the Linux kernel code: ubi: Fix failure attaching when vid_hdr offset equals to (sub)page size
Problem Details: Following process will make ubi attaching failed since commit 1b42b1a36fc946 ("ubi: ensure that VID header offset ... size"): ID="0xec,0xa1,0x00,0x15" # 128M 128KB 2KB modprobe nandsim id_bytes=$ID flash_eraseall /dev/mtd0 modprobe ubi mtd="0,2048" # set vid_hdr offset as 2048 (one page) (dmesg): u...
```diff diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 0904eb40c95f..ad025b2ee417 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -666,12 +666,6 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024) ubi->ec_hdr_alsize = ALIGN(UBI_EC_HDR_SIZE, ubi->hdrs_min_io_s...
27a6e1b09a782517fddac91259970ac466a3f7b6
Analyze and fix the following issue in the Linux kernel code: clk: add missing of_node_put() in "assigned-clocks" property parsing
Problem Details: When returning from of_parse_phandle_with_args(), the np member of the of_phandle_args structure should be put after usage. Add missing of_node_put() calls in both __set_clk_parents() and __set_clk_rates(). Fixes: 86be408bfbd8 ("clk: Support for clock parents and rates assigned from device tree") Sign...
```diff diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c index 2ef819606c41..1a4e6340f95c 100644 --- a/drivers/clk/clk-conf.c +++ b/drivers/clk/clk-conf.c @@ -33,9 +33,12 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier) else return rc; } - if (clkspec.np == node && !...
7cc7478e093782d2ac176c11a966de00bd0792dc
Analyze and fix the following issue in the Linux kernel code: power: supply: generic-adc-battery: style fixes
Problem Details: This does the following code-style changes: * fix inconsistent indentation in 'struct gab' * remove unused cable_plugged from 'struct gab' * remove pointless temporary is_plugged variable * add gab_ prefix to read_channel No functionality changes are intended. Signed-off-by: Sebastian Reichel <s...
```diff diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c index 2fa946c93fb4..7bdc6b263609 100644 --- a/drivers/power/supply/generic-adc-battery.c +++ b/drivers/power/supply/generic-adc-battery.c @@ -42,12 +42,11 @@ static const char *const gab_chan_name[] = { }; s...
44263f50065969f2344808388bd589740f026167
Analyze and fix the following issue in the Linux kernel code: power: supply: generic-adc-battery: fix unit scaling
Problem Details: power-supply properties are reported in µV, µA and µW. The IIO API provides mV, mA, mW, so the values need to be multiplied by 1000. Fixes: e60fea794e6e ("power: battery: Generic battery driver using IIO") Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Matti Vaittinen <mazziesaccou...
```diff diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c index 917bd2a6cc52..535972a332b3 100644 --- a/drivers/power/supply/generic-adc-battery.c +++ b/drivers/power/supply/generic-adc-battery.c @@ -136,6 +136,9 @@ static int read_channel(struct gab *adc_bat, enum pow...
5ffd1f3f9a8e44ed816817bb5b0193cc64c9dba1
Analyze and fix the following issue in the Linux kernel code: dt-bindings: display: visionox,rm69299: document reg
Problem Details: Panels are supposed to have one reg. This fixes dtbs_check warnings like: sc7180-idp.dtb: panel@0: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lor...
```diff diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml index 481ef051df1e..444ac2a4772d 100644 --- a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml +++ b/Documentation/devicetree/bindings/d...
dd049e8f7616e74cb9c3c2f8e88aac0ac20dd8af
Analyze and fix the following issue in the Linux kernel code: dt-bindings: display: panel-simple-dsi: allow vddio variant
Problem Details: Few panels like Samsung s6e3fc2x01 and sofef00 use vddio-supply instead of power-supply (in DTS and Linux driver), so allow it to fix: sdm845-oneplus-enchilada.dtb: panel@0: 'power-supply' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil A...
```diff diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml index 2c00813f5d20..90c04cff8281 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml +++ b/Documentation/devicetree/bindings/d...
331b569fd21755bb9acd2ee021addf689b5a07f4
Analyze and fix the following issue in the Linux kernel code: dt-bindings: display: novatek,nt36672a: correct VDDIO supply
Problem Details: The nt36672a bindings were added with a mistake on VDDIO supply calling it in one place vddio and in other vddi0. Typical name is rather vddio which is also now used by DTS (sdm845-xiaomi-beryllium-common.dtsi) and Linux driver. Fixes: c2abcf30efb8 ("dt-bindings: display: novatek,nt36672a: Fix uneval...
```diff diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml index 41ee3157a1cd..ae821f465e1c 100644 --- a/Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml +++ b/Documentation/devicetree/bindings/d...
aa874cdfec07d4dd9c6f0c356d65c609ba31a26f
Analyze and fix the following issue in the Linux kernel code: i2c: mchp-pci1xxxx: Update Timing registers
Problem Details: Update I2C timing registers based on latest hardware design. This fix does not break functionality of chips with older design and existing users will not be affected. Fixes: 361693697249 ("i2c: microchip: pci1xxxx: Add driver for I2C host controller in multifunction endpoint of pci1xxxx switch") Signe...
```diff diff --git a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c index 09af75921147..b21ffd6df927 100644 --- a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c +++ b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c @@ -48,9 +48,9 @@ * SR_HOLD_TIME_XK_TICKS field will indicate the number of ticks of th...
1ee7fc3f4d0a93831a20d5566f203d5ad6d44de8
Analyze and fix the following issue in the Linux kernel code: RISC-V: always select RISCV_ALTERNATIVE for non-xip kernels
Problem Details: When moving switch_to's has_fpu() over to using riscv_has_extension_likely() rather than static branches, the FPU code gained a dependency on the alternatives framework. That dependency has now been removed, as riscv_has_extension_ikely() now contains a fallback path, using __riscv_isa_extension_availa...
```diff diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index c5e42cc37604..2f6976418d0a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -126,6 +126,7 @@ config RISCV select OF_IRQ select PCI_DOMAINS_GENERIC if PCI select PCI_MSI if PCI + select RISCV_ALTERNATIVE if !XIP_KERNEL select RISCV_INT...
1aa866931b8026a0dd636e9ef7b5c5dfb4cc5ce8
Analyze and fix the following issue in the Linux kernel code: RISC-V: add non-alternative fallback for riscv_has_extension_[un]likely()
Problem Details: The has_fpu() check, which in turn calls riscv_has_extension_likely(), relies on alternatives to figure out whether the system has an FPU. As a result, it will malfunction on XIP kernels, as they do not support the alternatives mechanism. When alternatives support is not present, fall back to using __...
```diff diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index e3021b2590de..6263a0de1c6a 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -57,18 +57,31 @@ struct riscv_isa_ext_data { unsigned int isa_ext_id; }; +unsigned long riscv_isa_extension_base(...
292fd843de26c551856e66faf134512c52dd78b4
Analyze and fix the following issue in the Linux kernel code: cgroup/cpuset: Fix partition root's cpuset.cpus update bug
Problem Details: It was found that commit 7a2127e66a00 ("cpuset: Call set_cpus_allowed_ptr() with appropriate mask for task") introduced a bug that corrupted "cpuset.cpus" of a partition root when it was updated. It is because the tmp->new_cpus field of the passed tmp parameter of update_parent_subparts_cpumask() shou...
```diff diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 636f1c682ac0..f310915d1257 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -1513,7 +1513,7 @@ static int update_parent_subparts_cpumask(struct cpuset *cs, int cmd, spin_unlock_irq(&callback_lock); if (adding || deleting...
a57cc2dbb3738930d9cb361b9b473f90c8ede0b8
Analyze and fix the following issue in the Linux kernel code: thermal: intel: int340x: processor_thermal: Fix additional deadlock
Problem Details: Commit 52f04f10b900 ("thermal: intel: int340x: processor_thermal: Fix deadlock") addressed deadlock issue during user space trip update. But it missed a case when thermal zone device is disabled when user writes 0. Call to thermal_zone_device_disable() also causes deadlock as it also tries to lock tz-...
```diff diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index 90526f46c9b1..d71ee50e7878 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/...
433279beba1d4872da10b7b60a539e0cb828b32b
Analyze and fix the following issue in the Linux kernel code: md: fix regression for null-ptr-deference in __md_stop()
Problem Details: Commit 3e453522593d ("md: Free resources in __md_stop") tried to fix null-ptr-deference for 'active_io' by moving percpu_ref_exit() to __md_stop(), however, the commit also moving 'writes_pending' to __md_stop(), and this will cause mdadm tests broken: BUG: kernel NULL pointer dereference, address: 00...
```diff diff --git a/drivers/md/md.c b/drivers/md/md.c index 39e49e5d7182..13321dbb5fbc 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6260,7 +6260,6 @@ static void __md_stop(struct mddev *mddev) module_put(pers->owner); clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - percpu_ref_exit(&mddev->writes_pen...
f030c8fd64cea916d57d40bb7b59c1cff9ea3bc3
Analyze and fix the following issue in the Linux kernel code: Documentation: kernel-parameters: Remove meye entry
Problem Details: Commit ba47652ba65523 ("media: meye: remove this deprecated driver") removes meye driver but forgets to purge its kernel-parameters.txt entry, hence broken reference. Remove the entry. Link: https://lore.kernel.org/all/202302070341.OVqstpMM-lkp@intel.com/ Fixes: ba47652ba655 ("media: meye: remove thi...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f881d5b13e6c..7fc5f60a1e18 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3181,9 +3181,6 @@ deep - Suspend-To-RAM or...
d8d8b008629ffd69f1e204010cb3299bb633877e
Analyze and fix the following issue in the Linux kernel code: tools: bpftool: json: Fix backslash escape typo in jsonw_puts
Problem Details: This is essentially a backport of iproute2's commit ed54f76484b5 ("json: fix backslash escape typo in jsonw_puts") Also added the stdio.h include in json_writer.h to be able to compile and run the json_writer test as used below). Before this fix: $ gcc -D notused -D TEST -I../../include -o json_writ...
```diff diff --git a/tools/bpf/bpftool/json_writer.c b/tools/bpf/bpftool/json_writer.c index bca5dd0a59e3..be379613d118 100644 --- a/tools/bpf/bpftool/json_writer.c +++ b/tools/bpf/bpftool/json_writer.c @@ -75,7 +75,7 @@ static void jsonw_puts(json_writer_t *self, const char *str) fputs("\\b", self->out); break...
1d6f52a7c847efcfd9c43622a5d6ce88b8e1fb53
Analyze and fix the following issue in the Linux kernel code: doc:it_IT: translation alignment
Problem Details: Italian translation updated following these changes: commit 901578a45950 ("docs: recommend using Link: whenever using Reported-by:")" commit 775a445d9a63 ("coding-style: fix title of Greg K-H's talk") commit 1d2ed9234c85 ("Documentation: process: Document suitability of Proton Mail for kernel developm...
```diff diff --git a/Documentation/translations/it_IT/core-api/symbol-namespaces.rst b/Documentation/translations/it_IT/core-api/symbol-namespaces.rst index 0f6898860d6d..17abc25ee4c1 100644 --- a/Documentation/translations/it_IT/core-api/symbol-namespaces.rst +++ b/Documentation/translations/it_IT/core-api/symbol-name...
6a7c51b4d91b5d73aae2647356990573643b2ae4
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-topology.c: dai_link->platform again
Problem Details: On SOF, many topology is assuming dai_link->platform exists, and is allowed to be overwritten on each link_load(). This patch restore the removed dai_link->platform for SOF, and add the comment. Fixes: e7098ba9b378 ("ASoC: soc-topology.c: remove unnecessary dai_link->platform") Reported-by: Peter Ujfa...
```diff diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index be9849749713..d0aca6b9058b 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1685,8 +1685,8 @@ static int soc_tplg_fe_link_create(struct soc_tplg *tplg, struct snd_soc_dai_link_component *dlc; int ret; - /* link ...
4eb7c2f3a3d7cd6c50f391ac555b50c3fc5b3799
Analyze and fix the following issue in the Linux kernel code: thermal: thermal_hwmon: Fix a kernel NULL pointer dereference
Problem Details: When the hwmon device node of a thermal zone device is not found, using hwmon->device causes a kernel NULL pointer dereference. Fixes: dec07d399cc8 ("thermal: Don't use 'device' internal thermal zone structure field") Reported-by: Preble Adam C <adam.c.preble@intel.com> Signed-off-by: Zhang Rui <rui.z...
```diff diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index c59db17dddd6..261743f461be 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -229,7 +229,7 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz) hwmon = thermal_hwmon_lookup_by...
4ff0b50de8cabba055efe50bbcb7506c41a69835
Analyze and fix the following issue in the Linux kernel code: io_uring/rsrc: fix rogue rsrc node grabbing
Problem Details: We should not be looking at ctx->rsrc_node and anyhow modifying the node without holding uring_lock, grabbing references in such a way is not safe either. Cc: stable@vger.kernel.org Fixes: 5106dd6e74ab6 ("io_uring: propagate issue_flags state down to file assignment") Signed-off-by: Pavel Begunkov <as...
```diff diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index 2b8743645efc..f27f4975217d 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -144,15 +144,13 @@ static inline void io_req_set_rsrc_node(struct io_kiocb *req, unsigned int issue_flags) { if (!req->rsrc_node) { - req->rsrc_node = ctx->rsrc_node; +...
25bbe844ef5c4fb4d7d8dcaa0080f922b7cd3a16
Analyze and fix the following issue in the Linux kernel code: drm: test: Fix 32-bit issue in drm_buddy_test
Problem Details: The drm_buddy_test KUnit tests verify that returned blocks have sizes which are powers of two using is_power_of_2(). However, is_power_of_2() operations on a 'long', but the block size is a u64. So on systems where long is 32-bit, this can sometimes fail even on correctly sized blocks. This only repro...
```diff diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c index f8ee714df396..09ee6f6af896 100644 --- a/drivers/gpu/drm/tests/drm_buddy_test.c +++ b/drivers/gpu/drm/tests/drm_buddy_test.c @@ -89,7 +89,8 @@ static int check_block(struct kunit *test, struct drm_buddy *mm, err...
4453545b5b4c3eff941f69a5530f916d899db025
Analyze and fix the following issue in the Linux kernel code: drm: buddy_allocator: Fix buddy allocator init on 32-bit systems
Problem Details: The drm buddy allocator tests were broken on 32-bit systems, as rounddown_pow_of_two() takes a long, and the buddy allocator handles 64-bit sizes even on 32-bit systems. This can be reproduced with the drm_buddy_allocator KUnit tests on i386: ./tools/testing/kunit/kunit.py run --arch i386 \ --kunitc...
```diff diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c index 3d1f50f481cf..7098f125b54a 100644 --- a/drivers/gpu/drm/drm_buddy.c +++ b/drivers/gpu/drm/drm_buddy.c @@ -146,8 +146,8 @@ int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size) unsigned int order; u64 root_size; - ...
a8fd44cbd283cb9825f9d799da14234148e5a4dd
Analyze and fix the following issue in the Linux kernel code: Documentation: leds: MT6370: Use bullet lists for timing variables
Problem Details: The timing description contains list of timing pattern variables, but it uses code block without indentation instead. Switch to bullet list as it is better fit for this purpose. While at it, substitute "load" for "duty" because the variables control timing for current load into the device. Link: http...
```diff diff --git a/Documentation/leds/leds-mt6370-rgb.rst b/Documentation/leds/leds-mt6370-rgb.rst index ea782797a06d..152a2e592172 100644 --- a/Documentation/leds/leds-mt6370-rgb.rst +++ b/Documentation/leds/leds-mt6370-rgb.rst @@ -45,17 +45,17 @@ Pattern diagram:: +----------------------------------=====...
61f21988d806a5c93c39179f2d91ea2d3219b025
Analyze and fix the following issue in the Linux kernel code: docs: driver-api: firmware_loader: fix missing argument in usage example
Problem Details: By the time firmware-upload support landed in commit 97730bbb242c ("firmware_loader: Add firmware-upload support"), the arguments for firmware_upload_register() had changed, and while this is automagically represented in the kernel doc bits, the usage example was not kept in sync. Add the missing argum...
```diff diff --git a/Documentation/driver-api/firmware/fw_upload.rst b/Documentation/driver-api/firmware/fw_upload.rst index 76922591e446..edf1d0c5e7c3 100644 --- a/Documentation/driver-api/firmware/fw_upload.rst +++ b/Documentation/driver-api/firmware/fw_upload.rst @@ -57,7 +57,8 @@ function calls firmware_upload_unre...
52aad39385e1bfdb34a1b405f699a8ef302c58b0
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Add quirk for Lenovo ZhaoYang CF4620Z
Problem Details: Fix headset microphone detection on Lenovo ZhaoYang CF4620Z. [ adjusted to be applicable to the latest tree -- tiwai ] Signed-off-by: huangwenhui <huangwenhuia@uniontech.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230328074644.30142-1-huangwenhuia@uniontech.com Signed-off-by: ...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b501f9489fc1..a2706fd87b14 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9713,6 +9713,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x511e, "Thinkpad", AL...
eca9f6e6f83b6725b84e1c76fdde19b003cff0eb
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries/vas: Ignore VAS update for DLPAR if copy/paste is not enabled
Problem Details: The hypervisor supports user-mode NX from Power10. pseries_vas_dlpar_cpu() is called from lparcfg_write() to update VAS windows for DLPAR event in shared processor mode and the kernel gets -ENOTSUPP for HCALLs if the user-mode NX is not supported. The current VAS implementation also supports only with...
```diff diff --git a/arch/powerpc/platforms/pseries/vas.c b/arch/powerpc/platforms/pseries/vas.c index 559112312810..513180467562 100644 --- a/arch/powerpc/platforms/pseries/vas.c +++ b/arch/powerpc/platforms/pseries/vas.c @@ -856,6 +856,13 @@ int pseries_vas_dlpar_cpu(void) { int new_nr_creds, rc; + /* + * NX-GZ...
ef36ca92754b4e50289aee99453e69c6ff13edad
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-topology.c: dai_link->platform again
Problem Details: On SOF, many topology is assuming dai_link->platform exists, and is allowed to be overwritten on each link_load(). This patch restore the removed dai_link->platform for SOF, and add the comment. Fixes: e7098ba9b378 ("ASoC: soc-topology.c: remove unnecessary dai_link->platform") Reported-by: Peter Ujfa...
```diff diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index be9849749713..d0aca6b9058b 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1685,8 +1685,8 @@ static int soc_tplg_fe_link_create(struct soc_tplg *tplg, struct snd_soc_dai_link_component *dlc; int ret; - /* link ...
78b26a335310a097d6b22581b706050db42f196c
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Remove tasklet call from rxe_cq.c
Problem Details: Remove the tasklet call in rxe_cq.c and also the is_dying in the cq struct. There is no reason for the rxe driver to defer the call to the cq completion handler by scheduling a tasklet. rxe_cq_post() is not called in a hard irq context. The rxe driver currently is incorrect because the tasklet call is...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_cq.c b/drivers/infiniband/sw/rxe/rxe_cq.c index 66a13c935d50..20ff0c0c4605 100644 --- a/drivers/infiniband/sw/rxe/rxe_cq.c +++ b/drivers/infiniband/sw/rxe/rxe_cq.c @@ -39,21 +39,6 @@ err1: return -EINVAL; } -static void rxe_send_complete(struct tasklet_struct *t) ...
f9cce238ee287a2aa580de1a0187390d6ffdcdeb
Analyze and fix the following issue in the Linux kernel code: tracing/user_events: Charge event allocs to cgroups
Problem Details: Operators need a way to limit how much memory cgroups use. User events need to be included into that accounting. Fix this by using GFP_KERNEL_ACCOUNT for allocations generated by user programs for user_event tracing. Link: https://lkml.kernel.org/r/20230328235219.203-11-beaub@linux.microsoft.com Sign...
```diff diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index f88bab3f1fe1..3a01c2df4a90 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -442,7 +442,7 @@ static bool user_event_enabler_dup(struct user_event_enabler *orig, if (unlikely(test_bit(E...
c2f92e8b2d24615acda3fc571180d8b44a710df5
Analyze and fix the following issue in the Linux kernel code: tools/kvm_stat: use canonical ftrace path
Problem Details: The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when moun...
```diff diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat index 6f28180ffeea..15bf00e79e3f 100755 --- a/tools/kvm/kvm_stat/kvm_stat +++ b/tools/kvm/kvm_stat/kvm_stat @@ -627,7 +627,7 @@ class TracepointProvider(Provider): name)'. All available events have directories under - ...
d1c27c55427e3fe54c1bc22bd4d40fc21ff5406c
Analyze and fix the following issue in the Linux kernel code: leaking_addresses: also skip canonical ftrace path
Problem Details: The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when moun...
```diff diff --git a/scripts/leaking_addresses.pl b/scripts/leaking_addresses.pl index 8f636a23bc3f..e695634d153d 100755 --- a/scripts/leaking_addresses.pl +++ b/scripts/leaking_addresses.pl @@ -61,6 +61,7 @@ my @skip_abs = ( '/proc/device-tree', '/proc/1/syscall', '/sys/firmware/devicetree', + '/sys/kernel/traci...
4336cc15b9f7b34bc0ddc85c76f71be6a0355028
Analyze and fix the following issue in the Linux kernel code: selftests: use canonical ftrace path
Problem Details: The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when moun...
```diff diff --git a/tools/testing/selftests/mm/protection_keys.c b/tools/testing/selftests/mm/protection_keys.c index 95f403a0c46d..0381c34fdd56 100644 --- a/tools/testing/selftests/mm/protection_keys.c +++ b/tools/testing/selftests/mm/protection_keys.c @@ -98,7 +98,7 @@ int tracing_root_ok(void) void tracing_on(void...
02fe26f25325b547b7a31a65deb0326c04bb5174
Analyze and fix the following issue in the Linux kernel code: firmware_loader: Add debug message with checksum for FW file
Problem Details: Enable dynamic-debug logging of firmware filenames and SHA256 checksums to clearly identify the firmware files that are loaded by the system. Example output: [ 34.944619] firmware_class:_request_firmware: i915 0000:00:02.0: Loaded FW: i915/kbl_dmc_ver1_04.bin, sha256: 2cde41c3e5ad181423bcc3e98ff9c49...
```diff diff --git a/drivers/base/firmware_loader/Kconfig b/drivers/base/firmware_loader/Kconfig index 5166b323a0f8..0cabc783d67a 100644 --- a/drivers/base/firmware_loader/Kconfig +++ b/drivers/base/firmware_loader/Kconfig @@ -24,6 +24,18 @@ config FW_LOADER You also want to be sure to enable this built-in if you a...
5c2712387d4850e0b64121d5fd3e6c4e84ea3266
Analyze and fix the following issue in the Linux kernel code: cacheinfo: Fix LLC is not exported through sysfs
Problem Details: After entering 6.3-rc1 the LLC cacheinfo is not exported on our ACPI based arm64 server. This is because the LLC cacheinfo is partly reset when secondary CPUs boot up. On arm64 the primary cpu will allocate and setup cacheinfo: init_cpu_topology() for_each_possible_cpu() fetch_cache_info() // All...
```diff diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index f6573c335f4c..f3903d002819 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -474,12 +474,18 @@ int detect_cache_attributes(unsigned int cpu) populate_leaves: /* - * populate_cache_leaves() may completely setup th...
30fb97ba4a8e082ba0a5432479d6995472edbd7b
Analyze and fix the following issue in the Linux kernel code: drm/nouveau/kms: Fix backlight registration
Problem Details: The nouveau code used to call drm_fb_helper_initial_config() from nouveau_fbcon_init() before calling drm_dev_register(). This would probe all connectors so that drm_connector->status could be used during backlight registration which runs from nouveau_connector_late_register(). After commit 4a16dd9d18...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c index 40409a29f5b6..91b5ecc57538 100644 --- a/drivers/gpu/drm/nouveau/nouveau_backlight.c +++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c @@ -33,6 +33,7 @@ #include <linux/apple-gmux.h> #include <linux/bac...
49f6f6483b652108bcb73accd0204a464b922395
Analyze and fix the following issue in the Linux kernel code: drm/i915: fix race condition UAF in i915_perf_add_config_ioctl
Problem Details: Userspace can guess the id value and try to race oa_config object creation with config remove, resulting in a use-after-free if we dereference the object after unlocking the metrics_lock. For that reason, unlocking the metrics_lock must be done after we are done dereferencing the object. Signed-off-b...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index c035dbb84c9b..050b8ae7b8e7 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -4802,13 +4802,13 @@ int i915_perf_add_config_ioctl(struct drm_device *dev, void *data, err = oa_config->id...
ec956e2c6f4e65c797a7107b32e22484f687f88d
Analyze and fix the following issue in the Linux kernel code: dt-bindings: serial: snps-dw-apb-uart: Switch dma-names order
Problem Details: Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties") documented dma-names property to handle Allwinner D1 dtbs_check warnings, but relies on the rx->tx ordering, which is the reverse of what a different board expects: rk3326-odroid-go2.dtb: serial@ff030000: d...
```diff diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml index 8212a9f483b5..3862411c77b5 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uar...
f92ed0cd9328aed918ebb0ebb64d259eccbcc6e7
Analyze and fix the following issue in the Linux kernel code: tty: serial: sh-sci: Fix Rx on RZ/G2L SCI
Problem Details: SCI IP on RZ/G2L alike SoCs do not need regshift compared to other SCI IPs on the SH platform. Currently, it does regshift and configuring Rx wrongly. Drop adding regshift for RZ/G2L alike SoCs. Fixes: dfc80387aefb ("serial: sh-sci: Compute the regshift value for SCI ports") Cc: stable@vger.kernel.org...
```diff diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index c07663fe80bf..caa09a0c48f4 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2937,7 +2937,7 @@ static int sci_init_single(struct platform_device *dev, port->flags = UPF_FIXED_PORT | UPF_BOOT_AUTOCONF | p...
178e00f36f934a88682d96aa046c1f90cb6f83a7
Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: fix crash in lpuart_uport_is_active
Problem Details: For serdev framework, tty->dev is a NULL pointer, lpuart_uport_is_active calling device_may_wakeup() may cause kernel NULL pointer crash, so here add the NULL pointer check before using it. Fixes: 4f5cb8c5e915 ("tty: serial: fsl_lpuart: enable wakeup source for lpuart") Cc: stable <stable@kernel.org> ...
```diff diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index edc6e35b701a..074bfed57fc9 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -2948,7 +2948,7 @@ static bool lpuart_uport_is_active(struct lpuart_port *sport) tty = tty_port_tty_get(port); ...
9425914f3de6febbd6250395f56c8279676d9c3c
Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: avoid checking for transfer complete when UARTCTRL_SBK is asserted in lpuart32_tx_empty
Problem Details: According to LPUART RM, Transmission Complete Flag becomes 0 if queuing a break character by writing 1 to CTRL[SBK], so here need to avoid checking for transmission complete when UARTCTRL_SBK is asserted, otherwise the lpuart32_tx_empty may never get TIOCSER_TEMT. Commit 2411fd94ceaa("tty: serial: fsl...
```diff diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 56e6ba3250cd..edc6e35b701a 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -858,11 +858,17 @@ static unsigned int lpuart32_tx_empty(struct uart_port *port) struct lpuart_port, port); ...
90b8596ac46043e4a782d9111f5b285251b13756
Analyze and fix the following issue in the Linux kernel code: serial: 8250: Prevent starting up DMA Rx on THRI interrupt
Problem Details: Hans de Goede reported Bluetooth adapters (HCIs) connected over an UART connection failed due corrupted Rx payload. The problem was narrowed down to DMA Rx starting on UART_IIR_THRI interrupt. The problem occurs despite LSR having DR bit set, which is precondition for attempting to start DMA Rx in the ...
```diff diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index fa43df05342b..3ba9c8b93ae6 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1903,6 +1903,17 @@ EXPORT_SYMBOL_GPL(serial8250_modem_status); static bool handle_rx_dma(struct ...
7b21f329ae0ab6361c0aebfc094db95821490cd1
Analyze and fix the following issue in the Linux kernel code: dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs
Problem Details: The fourth interrupt on SCIF variants with four interrupts (RZ/A1) is the Break interrupt, not the Transmit End interrupt (like on SCI(g)). Update the description and interrupt name to fix this. Fixes: 384d00fae8e51f8f ("dt-bindings: serial: sh-sci: Convert to json-schema") Cc: stable <stable@kernel.o...
```diff diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml index 1989bd67d04e..54e4f41be9b4 100644 --- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml +++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml @@ -92,7 ...
b43a18647f03c87e77d50d6fe74904b61b96323e
Analyze and fix the following issue in the Linux kernel code: tty: serial: sh-sci: Fix transmit end interrupt handler
Problem Details: The fourth interrupt on SCI port is transmit end interrupt compared to the break interrupt on other port types. So, shuffle the interrupts to fix the transmit end interrupt handler. Fixes: e1d0be616186 ("sh-sci: Add h8300 SCI") Cc: stable <stable@kernel.org> Suggested-by: Geert Uytterhoeven <geert+ren...
```diff diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 7bd080720929..c07663fe80bf 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -31,6 +31,7 @@ #include <linux/ioport.h> #include <linux/ktime.h> #include <linux/major.h> +#include <linux/minmax.h> #include...
146a37e05d620cef4ad430e5d1c9c077fe6fa76f
Analyze and fix the following issue in the Linux kernel code: serial: 8250: Fix serial8250_tx_empty() race with DMA Tx
Problem Details: There's a potential race before THRE/TEMT deasserts when DMA Tx is starting up (or the next batch of continuous Tx is being submitted). This can lead to misdetecting Tx empty condition. It is entirely normal for THRE/TEMT to be set for some time after the DMA Tx had been setup in serial8250_tx_dma(). ...
```diff diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index 287153d32536..1e8fe44a7099 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -365,6 +365,13 @@ static inline void serial8250_do_prepare_rx_dma(struct uart_8250_port *p) if (dma->prepare_rx_dma)...
094fb49a2d0d6827c86d2e0840873e6db0c491d2
Analyze and fix the following issue in the Linux kernel code: tty: Prevent writing chars during tcsetattr TCSADRAIN/FLUSH
Problem Details: If userspace races tcsetattr() with a write, the drained condition might not be guaranteed by the kernel. There is a race window after checking Tx is empty before tty_set_termios() takes termios_rwsem for write. During that race window, more characters can be queued by a racing writer. Any ongoing tra...
```diff diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h index f45cd683c02e..1e0d80e98d26 100644 --- a/drivers/tty/tty.h +++ b/drivers/tty/tty.h @@ -62,6 +62,8 @@ int __tty_check_change(struct tty_struct *tty, int sig); int tty_check_change(struct tty_struct *tty); void __stop_tty(struct tty_struct *tty); void __s...
f1d81e3cf0e91bf3455a643b87184c2288cfba8e
Analyze and fix the following issue in the Linux kernel code: tty: serial: sh-sci: Remove setting {src,dst}_{addr,addr_width} based on DMA direction
Problem Details: The direction field in the DMA config is deprecated. The sh-sci driver sets {src,dst}_{addr,addr_width} based on the DMA direction and it results in dmaengine_slave_config() failure as RZ DMAC driver validates {src,dst}_addr_width values independent of DMA direction. Fix this issue by passing both {sr...
```diff diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index af4a7a865764..027dfe535fe5 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1530,15 +1530,12 @@ static struct dma_chan *sci_request_dma_chan(struct uart_port *port, memset(&cfg, 0, sizeof(cfg)); cfg....
dedd376e0c7096daf4171d54957a679b4dfeadbf
Analyze and fix the following issue in the Linux kernel code: dt-bindings: serial: snps-dw-apb-uart: correct number of DMAs
Problem Details: The "minItems" alone does not impose any upper limit of DMAs, so switch it to "maxItems" which also implies same value for minItems. Fixes: 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewe...
```diff diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml index 2becdfab4f15..8212a9f483b5 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uar...
d8851a96ba25d5fa2a3d89550f8333db5b694919
Analyze and fix the following issue in the Linux kernel code: tty: serial: qcom-geni-serial: Add a poll_init() function
Problem Details: On sc7180 Chromebooks, I did the following: * Didn't enable earlycon in the kernel command line. * Didn't enable serial console in the kernel command line. * Didn't enable an agetty or any other client of "/dev/ttyMSM0". * Added "kgdboc=ttyMSM0" to the kernel command line. After I did that, I tried to...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 28fbc927a546..1881dd5b3c4d 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1535,6 +1535,7 @@ static const struct uart_ops qcom_geni_console_pops = { #ifdef CONFIG_...
5e227ef2aa388f14ceeafa65eb8a38fa37918eb4
Analyze and fix the following issue in the Linux kernel code: serial: uart_poll_init() should power on the UART
Problem Details: On Qualcomm devices which use the "geni" serial driver, kdb/kgdb won't be very happy if you use it but the resources of the port haven't been powered on. Today kdb/kgdb rely on someone else powering the port on. This could be the normal kernel console or an agetty running. Let's fix this to explicitly ...
```diff diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index db7f6c0c39bf..afafbb7edb4a 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2590,6 +2590,7 @@ static int uart_poll_init(struct tty_driver *driver, int line, char *options) { struct u...
e4056e38ec87b4c21eb34bb8e38b1b0ca1221744
Analyze and fix the following issue in the Linux kernel code: dt-bindings: pinctrl: qcom,sm8550-lpass-lpi: allow input-enabled and bias-bus-hold
Problem Details: Add missing common pin configuration properties: input-enabled and bias-bus-hold. Fixes: 268e97ccc311 ("dt-bindings: pinctrl: qcom,sm8550-lpass-lpi-pinctrl: add SM8550 LPASS") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230324084127.29362-1-krz...
```diff diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml index 5e90051ed314..8f60a9113e7a 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml +++ b/Documentation/...
2b76ffe81e32afd6d318dc4547e2ba8c46207b77
Analyze and fix the following issue in the Linux kernel code: linux/vt_buffer.h: allow either builtin or modular for macros
Problem Details: Fix build errors on ARCH=alpha when CONFIG_MDA_CONSOLE=m. This allows the ARCH macros to be the only ones defined. In file included from ../drivers/video/console/mdacon.c:37: ../arch/alpha/include/asm/vga.h:17:40: error: expected identifier or '(' before 'volatile' 17 | static inline void scr_write...
```diff diff --git a/include/linux/vt_buffer.h b/include/linux/vt_buffer.h index 848db1b1569f..919d999a8c1d 100644 --- a/include/linux/vt_buffer.h +++ b/include/linux/vt_buffer.h @@ -16,7 +16,7 @@ #include <linux/string.h> -#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE) +#if IS_ENABLED(CONFIG_VGA_C...
4c7f9d2e413dc06a157c4e5dccde84aaf4655eb3
Analyze and fix the following issue in the Linux kernel code: usb: xhci: tegra: fix sleep in atomic call
Problem Details: When we set the dual-role port to Host mode, we observed the following splat: [ 167.057718] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:229 [ 167.057872] Workqueue: events tegra_xusb_usb_phy_work [ 167.057954] Call trace: [ 167.057962] dump_backtrace+0x0/0x210 [ ...
```diff diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 1ff22f675930..a88c39e525c2 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1360,6 +1360,9 @@ static void tegra_xhci_id_work(struct work_struct *work) mutex_unlock(&tegra->lock); + tegra->otg...
4c8375d35f72f2daef1ac0c35831c43a36357d81
Analyze and fix the following issue in the Linux kernel code: dt-bindings: usb: ci-hdrc-usb2: convert to DT schema format
Problem Details: Convert the binding to DT schema format. To fix the dtbs_check error, some properties were also added, such as nvidia,phy, reset-names ulpi; missing compatibles are added. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/202303220525...
```diff diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt deleted file mode 100644 index 72ceea575d58..000000000000 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ /dev/null @@ -1,159 +0,0 @@ -* USB2 ChipIdea USB controller for ...
5f70bcbca469a087b54ad2d934185ed69a098576
Analyze and fix the following issue in the Linux kernel code: net: wwan: iosm: fixes 7560 modem crash
Problem Details: ModemManger/Apps probing the wwan0xmmrpc0 port for 7560 Modem results in modem crash. 7560 Modem FW uses the MBIM interface for control command communication whereas 7360 uses Intel RPC interface so disable wwan0xmmrpc0 port for 7560. Fixes: d08b0f8f46e4 ("net: wwan: iosm: add rpc interface for xmm m...
```diff diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.c b/drivers/net/wwan/iosm/iosm_ipc_imem.c index 1e6a47976642..c066b0040a3f 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_imem.c +++ b/drivers/net/wwan/iosm/iosm_ipc_imem.c @@ -587,6 +587,13 @@ static void ipc_imem_run_state_worker(struct work_struct *instance) wh...
ea1deabc6f11575eb3375b454457eaa3c9837abc
Analyze and fix the following issue in the Linux kernel code: drm/i915: Use compressed bpp when calculating m/n value for DP MST DSC
Problem Details: For obvious reasons, we use compressed bpp instead of pipe bpp for DSC DP SST case. Lets be consistent and use compressed bpp instead of pipe bpp, also in DP MST DSC case. Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index a860cbc5dbea..c3e8db943e9c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -232,7 +232,7 @@ static int intel_dp_dsc_mst_compute_link_config(s...
2926c5275028e44f6a2ac31b37d75d6d6e260306
Analyze and fix the following issue in the Linux kernel code: usb: dwc3-am62: Fix up wake-up configuration and spurious wake up
Problem Details: Explicitly set and clear wakeup config so we don't leave anything to chance. Clear wakeup status on suspend so we know what caused wake up. The LINESTATE wake up should not be enabled in device mode if we are not connected to a USB host and in USB suspend (U2/L3) else it will cause spurious wake up. ...
```diff diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c index 859b48279658..b22fb78bc8e7 100644 --- a/drivers/usb/dwc3/dwc3-am62.c +++ b/drivers/usb/dwc3/dwc3-am62.c @@ -60,6 +60,13 @@ #define USBSS_WAKEUP_CFG_SESSVALID_EN BIT(1) #define USBSS_WAKEUP_CFG_VBUSVALID_EN BIT(0) +#define USBSS_W...
df9ba6a245b34332e82df07b078988abf0ac1f09
Analyze and fix the following issue in the Linux kernel code: usb: dwc2: Fix spelling mistake "schduler" -> "scheduler"
Problem Details: There is a spelling mistakes in dev_warn messages. Fix them. Signed-off-by: Deming Wang <wangdeming@inspur.com> Link: https://lore.kernel.org/r/20230325063832.1642-1-wangdeming@inspur.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 0a1145592fc7..0d4495c6b9f7 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -1078,7 +1078,7 @@ static void dwc2_pick_first_frame(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) earliest_frame = dwc2_fra...
130eac4170859fb368681e00d390f20f44bbf27b
Analyze and fix the following issue in the Linux kernel code: xhci: use pm_ptr() instead of #ifdef for CONFIG_PM conditionals
Problem Details: A recent patch caused an unused-function warning in builds with CONFIG_PM disabled, after the function became marked 'static': drivers/usb/host/xhci-pci.c:91:13: error: 'xhci_msix_sync_irqs' defined but not used [-Werror=unused-function] 91 | static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) ...
```diff diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index a53ecc8ff8c5..bbbb01282038 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -728,7 +728,6 @@ static void xhci_pci_remove(struct pci_dev *dev) usb_hcd_pci_remove(dev); } -#ifdef CONFIG_PM /* * In som...
24265c2c91ad6aae9446e18472566cd83e92b602
Analyze and fix the following issue in the Linux kernel code: testing/vsock: add vsock_perf to gitignore
Problem Details: This adds the vsock_perf binary to the gitignore file. Fixes: 8abbffd27ced ("test/vsock: vsock_perf utility") Signed-off-by: Bobby Eshleman <bobby.eshleman@bytedance.com> Reviewed-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.ke...
```diff diff --git a/tools/testing/vsock/.gitignore b/tools/testing/vsock/.gitignore index 87ca2731cff9..a8adcfdc292b 100644 --- a/tools/testing/vsock/.gitignore +++ b/tools/testing/vsock/.gitignore @@ -2,3 +2,4 @@ *.d vsock_test vsock_diag_test +vsock_perf ```
f09467e06b8add14fa294d38a1a2e91e36c97157
Analyze and fix the following issue in the Linux kernel code: ALSA: ymfpci: Add error messages for abritrary IO ports on older chips
Problem Details: As an end user, it can be confusing to request an arbitrary IO port be used only to find out that it doesn't work without an obvious reason, especially since /sys/module/snd_ymfpci/parameters/{fm,joystick,mpu}_port indicate 0 after the module has been loaded. In my case, I was unaware that the YMF724 ...
```diff diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index 1e198e4d57b8..de5dc5337c40 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -98,8 +98,10 @@ static int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, case 0x204: legacy_ctrl2 |= 2 << 6; break; c...
6be2e7522eb529b41c16d459f33bbdbcddbf5c15
Analyze and fix the following issue in the Linux kernel code: ALSA: ymfpci: Fix BUG_ON in probe function
Problem Details: The snd_dma_buffer.bytes field now contains the aligned size, which this snd_BUG_ON() did not account for, resulting in the following: [ 9.625915] ------------[ cut here ]------------ [ 9.633440] WARNING: CPU: 0 PID: 126 at sound/pci/ymfpci/ymfpci_main.c:2168 snd_ymfpci_create+0x681/0x698 [snd_y...
```diff diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index c80114c0ad7b..b492c32ce070 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -2165,7 +2165,7 @@ static int snd_ymfpci_memalloc(struct snd_ymfpci *chip) chip->work_base = ptr; chip->work_base_...
f33fc1576757741479452255132d6e3aaf558ffe
Analyze and fix the following issue in the Linux kernel code: ALSA: ymfpci: Create card with device-managed snd_devm_card_new()
Problem Details: snd_card_ymfpci_remove() was removed in commit c6e6bb5eab74 ("ALSA: ymfpci: Allocate resources with device-managed APIs"), but the call to snd_card_new() was not replaced with snd_devm_card_new(). Since there was no longer a call to snd_card_free, unloading the module would eventually result in Oops: ...
```diff diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index 1e198e4d57b8..82d4e0fda91b 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -170,7 +170,7 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, return -ENOENT; } - err = snd_card_new(&pci->dev, index[dev]...
07b3af42d8d528374d4f42d688bae86eeb30831a
Analyze and fix the following issue in the Linux kernel code: net: ethernet: mtk_eth_soc: fix tx throughput regression with direct 1G links
Problem Details: Using the QDMA tx scheduler to throttle tx to line speed works fine for switch ports, but apparently caused a regression on non-switch ports. Based on a number of tests, it seems that this throttling can be safely dropped without re-introducing the issues on switch ports that the tx scheduling changes...
```diff diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 3cb43623d3db..1835d92afe4b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -763,8 +763,6 @@ static void mtk_mac_link_up(struct phylink_config...
cdeccd13a03fc6e97c090c12a27566d02dace6d9
Analyze and fix the following issue in the Linux kernel code: Revert "sh_eth: remove open coded netif_running()"
Problem Details: This reverts commit ce1fdb065695f49ef6f126d35c1abbfe645d62d5. It turned out this actually introduces a race condition. netif_running() is not a suitable check for get_stats. Reported-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Ser...
```diff diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 2d9787231099..d8ec729825be 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2441,6 +2441,8 @@ static int sh_eth_open(struct net_device *ndev) netif_start_queue(n...
bc9d3a9f2afca189a6ae40225b6985e3c775375e
Analyze and fix the following issue in the Linux kernel code: net: dst: Switch to rcuref_t reference counting
Problem Details: Under high contention dst_entry::__refcnt becomes a significant bottleneck. atomic_inc_not_zero() is implemented with a cmpxchg() loop, which goes into high retry rates on contention. Switch the reference count to rcuref_t which results in a significant performance gain. Rename the reference count me...
```diff diff --git a/include/net/dst.h b/include/net/dst.h index 81f2279ea911..78884429deed 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -16,6 +16,7 @@ #include <linux/bug.h> #include <linux/jiffies.h> #include <linux/refcount.h> +#include <linux/rcuref.h> #include <net/neighbour.h> #include <asm/proc...
3c556d2425b04054e22045d4ef7d34f163b7a71a
Analyze and fix the following issue in the Linux kernel code: mm/thp: rename TRANSPARENT_HUGEPAGE_NEVER_DAX to _UNSUPPORTED
Problem Details: TRANSPARENT_HUGEPAGE_NEVER_DAX has nothing to do with DAX. It's set when has_transparent_hugepage() returns false, checked in hugepage_vma_check() and will disable THP completely if false. Rename it to TRANSPARENT_HUGEPAGE_UNSUPPORTED to reflect its real purpose. [peterx@redhat.com: fix comment, per...
```diff diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 70bd867eba94..9a3a3af2dd80 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -79,7 +79,7 @@ static inline vm_fault_t vmf_insert_pfn_pud(struct vm_fault *vmf, pfn_t pfn, } enum transparent_hugepage_flag { - TRANSPARENT_H...
0a54864f8dfb64b64c84c9db6ff70e0e93690a33
Analyze and fix the following issue in the Linux kernel code: kasan: remove PG_skip_kasan_poison flag
Problem Details: Code inspection reveals that PG_skip_kasan_poison is redundant with kasantag, because the former is intended to be set iff the latter is the match-all tag. It can also be observed that it's basically pointless to poison pages which have kasantag=0, because any pages with this tag would have been point...
```diff diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h index 5088637fe5c2..6583a58670c5 100644 --- a/include/linux/gfp_types.h +++ b/include/linux/gfp_types.h @@ -47,16 +47,14 @@ typedef unsigned int __bitwise gfp_t; #define ___GFP_ACCOUNT 0x400000u #define ___GFP_ZEROTAGS 0x800000u #ifdef CONF...
5da1a8687a9685d60a92abf4f6b735579ebe6b40
Analyze and fix the following issue in the Linux kernel code: mm/gup.c: fix typo in comments
Problem Details: Link: https://lkml.kernel.org/r/20230309104813.170309-1-jingyuwang_vip@163.com Signed-off-by: Jingyu Wang <jingyuwang_vip@163.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
```diff diff --git a/mm/gup.c b/mm/gup.c index eab18ba045db..1f72a717232b 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -2193,7 +2193,7 @@ static bool is_valid_gup_args(struct page **pages, struct vm_area_struct **vmas, * This does not guarantee that the page exists in the user mappings when * get_user_pages_remote retur...
5c63a7c32a94a7e2fecdd6754a6ff47cd4226ee1
Analyze and fix the following issue in the Linux kernel code: maple_tree: export symbol mas_preallocate()
Problem Details: Fix missing EXPORT_SYMBOL_GPL() statement for mas_preallocate(). It isn't actually used by anything yet, but mas_preallocate() is part of the maple tree's 'Advanced API'. All other functions of this API are exported already. Link: https://lkml.kernel.org/r/20230302011035.4928-1-dakr@redhat.com Signe...
```diff diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 9e2735cbc2b4..ae37a167e25d 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -5726,6 +5726,7 @@ int mas_preallocate(struct ma_state *mas, gfp_t gfp) mas_reset(mas); return ret; } +EXPORT_SYMBOL_GPL(mas_preallocate); /* * mas_destroy() - dest...
6204c9ab4a5a05a72e04c12276fffdd6c6636489
Analyze and fix the following issue in the Linux kernel code: kmsan: add test_stackdepot_roundtrip
Problem Details: Ensure that KMSAN does not report false positives in instrumented callers of stack_depot_save(), stack_depot_print(), and stack_depot_fetch(). Link: https://lkml.kernel.org/r/20230306111322.205724-2-glider@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Andrey Konovalov <andreykn...
```diff diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c index 7095d3fbb23a..d9eb141c27aa 100644 --- a/mm/kmsan/kmsan_test.c +++ b/mm/kmsan/kmsan_test.c @@ -551,6 +551,36 @@ static void test_long_origin_chain(struct kunit *test) KUNIT_EXPECT_TRUE(test, report_matches(&expect)); } +/* + * Test case: ensur...
8e00b2dffd822b34d8d1c627dc19f0743f9f5ac6
Analyze and fix the following issue in the Linux kernel code: lib/stackdepot: kmsan: mark API outputs as initialized
Problem Details: KMSAN does not instrument stackdepot and may treat memory allocated by it as uninitialized. This is not a problem for KMSAN itself, because its functions calling stackdepot API are also not instrumented. But other kernel features (e.g. netdev tracker) may access stack depot from instrumented code, w...
```diff diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 036da8e295d1..2f5aa851834e 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -17,6 +17,7 @@ #include <linux/gfp.h> #include <linux/jhash.h> #include <linux/kernel.h> +#include <linux/kmsan.h> #include <linux/mm.h> #include <linux/mutex.h> #inclu...
eaf7b66b76f85ce340c50b76e482c6f91593b8b0
Analyze and fix the following issue in the Linux kernel code: mm, memcg: Prevent memory.oom.group load/store tearing
Problem Details: Patch series "mm, memcg: cgroup v1 and v2 tunable load/store tearing fixes", v2. This patch series helps to prevent load/store tearing in several cgroup knobs. As kindly pointed out by Michal Hocko and Roman Gushchin , the changelog has been rephrased. Besides, more knobs were checked, according to ...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 5abffe6f8389..06821e5f7604 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2067,7 +2067,7 @@ struct mem_cgroup *mem_cgroup_get_oom_group(struct task_struct *victim, * highest-level memory cgroup with oom.group set. */ for (; memcg; memcg = pare...
dd63bd7df41a8f9393a2e3ff9157a441c08eb996
Analyze and fix the following issue in the Linux kernel code: selftests/mm: fix split huge page tests
Problem Details: Fix two inputs to check_anon_huge() and one if condition, so the tests work as expected. Link: https://lkml.kernel.org/r/20230306160907.16804-1-zi.yan@sent.com Fixes: c07c343cda8e ("selftests/vm: dedup THP helpers") Signed-off-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Zach O'Keefe <zokeefe@google.com> ...
```diff diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c index 76e1c36dd9e5..b8558c7f1a39 100644 --- a/tools/testing/selftests/mm/split_huge_page_test.c +++ b/tools/testing/selftests/mm/split_huge_page_test.c @@ -106,7 +106,7 @@ void split_pmd_thp(void) ...
d340292553ab48d32d3e768bbb1d11fb942fe02e
Analyze and fix the following issue in the Linux kernel code: kmsan: another take at fixing memcpy tests
Problem Details: commit 5478afc55a21 ("kmsan: fix memcpy tests") uses OPTIMIZER_HIDE_VAR() to hide the uninitialized var from the compiler optimizations. However OPTIMIZER_HIDE_VAR(uninit) enforces an immediate check of @uninit, so memcpy tests did not actually check the behavior of memcpy(), because they always conta...
```diff diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c index 088e21a48dc4..aeddfdd4f679 100644 --- a/mm/kmsan/kmsan_test.c +++ b/mm/kmsan/kmsan_test.c @@ -407,6 +407,37 @@ static void test_printk(struct kunit *test) KUNIT_EXPECT_TRUE(test, report_matches(&expect)); } +/* + * Prevent the compiler from o...