Re: [PATCH 1/2] ioctl_userfaultfd.2: add UFFD_FEATURE_WP_ASYNC

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Hi Muhammad,

On Thu, Oct 19, 2023 at 06:34:26PM +0500, Muhammad Usama Anjum wrote:
> On 10/19/23 6:29 PM, Alejandro Colomar wrote:
> > On Thu, Oct 19, 2023 at 06:12:44PM +0500, Muhammad Usama Anjum wrote:
> >> Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
> >> ---
> >> Changes since v1:
> >> - Employ sementic new lines by breaking sentence before "by"
> >> ---
> >>  man2/ioctl_userfaultfd.2 | 5 +++++
> >>  1 file changed, 5 insertions(+)
> >>
> >> diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
> >> index e68085262..f6cafd9a2 100644
> >> --- a/man2/ioctl_userfaultfd.2
> >> +++ b/man2/ioctl_userfaultfd.2
> >> @@ -244,6 +244,11 @@ If this feature bit is set,
> >>  the kernel supports resolving faults with the
> >>  .B UFFDIO_POISON
> >>  ioctl.
> >> +.TP
> >> +.BR UFFD_FEATURE_WP_ASYNC " (since Linux 6.7)"
> > 
> > Has this feature been merged?
> Yes, This patch is in maintainer's tree (in mm-stable these day).
> https://lore.kernel.org/all/20231018213452.A78A8C433C8@xxxxxxxxxxxxxxx
> 
> It should be released with next kernel release.
> 
> I'm not sure if you can accept a patch which isn't in Linus's tree yet. But
> these patches are already in maintainer's tree and in linux-next from
> almost a month.

Yep, if it's in a maintainer tree, I prefer merging it already, unless
you expect significant changes before Linus.  If anything happens, we
can fix it later.

In linux-next, I'd prefer to wait.

Cheers,
Alex

> > 
> > Thanks,
> > Alex
> > 
> >> +If this feature bit is set,
> >> +the write protection faults would be asynchronously resolved
> >> +by the kernel.
> >>  .PP
> >>  The returned
> >>  .I ioctls
> >> -- 
> >> 2.42.0
> >>
> > 
> 
> -- 
> BR,
> Muhammad Usama Anjum

-- 
<https://www.alejandro-colomar.es/>

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