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| author |   Borislav Petkov <bp@suse.de> | 2021-10-04 17:37:22 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-04 17:37:22 +0200 |
| commit | c7419a6e1aa3219ff62045ab6e56e37d5ad2d292 (patch) | |
| tree | a5145db864629e50196ba0f13e0b1c80f7d4331a /fs/buffer.c | |
| parent | x86: Increase exception stack sizes (diff) | |
| parent | treewide: Replace the use of mem_encrypt_active() with cc_platform_has() (diff) | |
| download | wireguard-linux-c7419a6e1aa3219ff62045ab6e56e37d5ad2d292.tar.xz wireguard-linux-c7419a6e1aa3219ff62045ab6e56e37d5ad2d292.zip | |
Merge branch x86/cc into x86/core
Pick up dependent cc_platform_has() changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index ab7573d72dd7..c615387aedca 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1425,12 +1425,16 @@ void invalidate_bh_lrus(void) } EXPORT_SYMBOL_GPL(invalidate_bh_lrus); -void invalidate_bh_lrus_cpu(int cpu) +/* + * It's called from workqueue context so we need a bh_lru_lock to close + * the race with preemption/irq. + */ +void invalidate_bh_lrus_cpu(void) { struct bh_lru *b; bh_lru_lock(); - b = per_cpu_ptr(&bh_lrus, cpu); + b = this_cpu_ptr(&bh_lrus); __invalidate_bh_lrus(b); bh_lru_unlock(); } |