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authorPaolo Bonzini <pbonzini@redhat.com>2021-09-06 06:34:11 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2021-09-06 06:34:48 -0400
commite99314a340d27efafab3b7ea226beb239162cd46 (patch)
treee16aebf4ddd982518c89eda4ccebdaff1c430723 /mm/mmap_lock.c
parent0d0a19395baa36ab186df8081ab7f7b57c3fade1 (diff)
parent419025b3b4190ee867ef4fc48fb3bd7da2e67a0c (diff)
Merge tag 'kvmarm-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 5.15 - Page ownership tracking between host EL1 and EL2 - Rely on userspace page tables to create large stage-2 mappings - Fix incompatibility between pKVM and kmemleak - Fix the PMU reset state, and improve the performance of the virtual PMU - Move over to the generic KVM entry code - Address PSCI reset issues w.r.t. save/restore - Preliminary rework for the upcoming pKVM fixed feature - A bunch of MM cleanups - a vGIC fix for timer spurious interrupts - Various cleanups
Diffstat (limited to 'mm/mmap_lock.c')
-rw-r--r--mm/mmap_lock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mmap_lock.c b/mm/mmap_lock.c
index f5852a058ce0..1854850b4b89 100644
--- a/mm/mmap_lock.c
+++ b/mm/mmap_lock.c
@@ -156,14 +156,14 @@ static inline void put_memcg_path_buf(void)
#define TRACE_MMAP_LOCK_EVENT(type, mm, ...) \
do { \
const char *memcg_path; \
- preempt_disable(); \
+ local_lock(&memcg_paths.lock); \
memcg_path = get_mm_memcg_path(mm); \
trace_mmap_lock_##type(mm, \
memcg_path != NULL ? memcg_path : "", \
##__VA_ARGS__); \
if (likely(memcg_path != NULL)) \
put_memcg_path_buf(); \
- preempt_enable(); \
+ local_unlock(&memcg_paths.lock); \
} while (0)
#else /* !CONFIG_MEMCG */