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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-06-08 02:10:07 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-08 02:34:38 +0200 |
| commit | 941169298a3e60db694373acbb49cd6569c8398b (patch) | |
| tree | 9faa9a470f6f1bc3c9fe89e74f0d04030fa3f2cc /fs/proc | |
| parent | proc: deduplicate /proc/*/cmdline implementation (diff) | |
| download | linux-941169298a3e60db694373acbb49cd6569c8398b.tar.xz linux-941169298a3e60db694373acbb49cd6569c8398b.zip | |
proc: smaller RCU section in ->getattr()
struct kstat is thread local.
Link: http://lkml.kernel.org/r/20180423213626.GB9043@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/base.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 3954f50805b8..97af285c63e1 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1755,9 +1755,9 @@ int pid_getattr(const struct path *path, struct kstat *stat, generic_fillattr(inode, stat); - rcu_read_lock(); stat->uid = GLOBAL_ROOT_UID; stat->gid = GLOBAL_ROOT_GID; + rcu_read_lock(); task = pid_task(proc_pid(inode), PIDTYPE_PID); if (task) { if (!has_pid_permissions(pid, task, HIDEPID_INVISIBLE)) { |