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apparmor: cleanup remove unused percpu critical sections in buffer management

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There are two unused percpu critical sections in the buffer management
code. These are remanents from when a more complex hold algorithm was
used. Remove them, as they serve no purpose.

Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2026-01-21 01:09:11 -08:00
parent 0b6a6b72b3
commit 859b725579
1 changed files with 0 additions and 5 deletions
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5
security/apparmor/lsm.c
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@@ -2174,9 +2174,6 @@ char *aa_get_buffer(bool in_atomic)
cache_hold_inc(&cache->hold);
put_cpu_ptr(&aa_local_buffers);
spin_lock(&aa_buffers_lock);
} else {
cache = get_cpu_ptr(&aa_local_buffers);
put_cpu_ptr(&aa_local_buffers);
}
retry:
if (buffer_count > reserve_count ||
@@ -2231,8 +2228,6 @@ void aa_put_buffer(char *buf)
list_add(&aa_buf->list, &aa_global_buffers);
buffer_count++;
spin_unlock(&aa_buffers_lock);
cache = get_cpu_ptr(&aa_local_buffers);
put_cpu_ptr(&aa_local_buffers);
return;
}
/* contention on global list, fallback to percpu */