Re: [PATCH v3 tip/perf/core 1/4] mm: introduce mmap_lock_speculation_{start|end}
From: Shakeel Butt <shakeel.butt@linux.dev>
Date: 2024-10-13 07:56:22
Also in:
bpf, linux-mm, lkml
On Thu, Oct 10, 2024 at 01:56:41PM GMT, Andrii Nakryiko wrote:
From: Suren Baghdasaryan <surenb@google.com> Add helper functions to speculatively perform operations without read-locking mmap_lock, expecting that mmap_lock will not be write-locked and mm is not modified from under us. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240912210222.186542-1-surenb@google.com (local)
Looks good to me. mmap_lock_speculation_* functions could use kerneldoc but that can be added later. Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>