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authorBorislav Petkov <bp@suse.de>2021-10-04 17:37:22 +0200
committerBorislav Petkov <bp@suse.de>2021-10-04 17:37:22 +0200
commitc7419a6e1aa3219ff62045ab6e56e37d5ad2d292 (patch)
treea5145db864629e50196ba0f13e0b1c80f7d4331a /fs/buffer.c
parent7fae4c24a2b84a66c7be399727aca11e7a888462 (diff)
parente9d1d2bb75b2d5d4b426769c5aae0ce8cef3558f (diff)
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.c8
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();
}