Re: [PATCH v2] mm/vma: avoid spurious write locks when mm->mm_lock_seq overflows

From: Jose A. Perez de Azpillaga

Date: Fri Oct 16 2026 - 08:20:10 EST


On 10/16/26 1:34 PM, Lorenzo Stoakes (ARM) wrote:
> So far the assumption has been that mm->mm_lock_seq overflow is benign,
> resulting only in readers spuriously falling back to the mmap lock, however
> it turns out that this was an unsafe assumption.

[snip]

LGTM :) and also tested on qemu so:

Reviewed-by: Jose A. Perez de Azpillaga <azpijr@xxxxxxxxx>
Tested-by: Jose A. Perez de Azpillaga <azpijr@xxxxxxxxx>

--
cheers,
jose a. p-a