Re: [PATCH v2] fix AMDGPU failure with periodic signal

[Lorenzo Stoakes <lorenzo.stoakes@oracle.com>]

On Mon, Jan 05, 2026 at 10:45:25AM +0000, Lorenzo Stoakes wrote:
> On Sun, Jan 04, 2026 at 10:12:50PM +0100, Mikulas Patocka wrote:
> >
> >
> > On Fri, 2 Jan 2026, Lorenzo Stoakes wrote:
> >
> > > +cc literally everyone you should have cc'd in mm :/
> > >
> > > Hi Mikulas,
> > >
> > > You really need to check MAINTAINERS, you've sent a patch that changes mm/vma.c
> > > without cc'ing a single maintainer or reviewer of that file. I just happened to
> > > notice this by chance, even lei seemed to mess up the file query for some
> > > reason.
> >
> > I saw
> >
> > MEMORY MANAGEMENT
> > M:      Andrew Morton <akpm@linux-foundation.org>
> > L:      linux-mm@kvack.org
> > S:      Maintained
> >
> > in the MAINTAINERS file, so I sent the patch to Andrew and to
> > linux-mm@kvack.org. I should have sent it also to people on the "MEMORY
> > MANAGEMENT - CORE" section, but I missed it.
>
> Yup things have changed :) scripts/get_maintainers.pl --no-git ... is the way to
> be sure.
>
> Understand if you haven't touched mm for a while you'd assume it was as was but
> now we really do try to have people assigned to each bit.
>
> >
> > > I'm confused in general about this patch, you sent it on 7th Nov? And it's been
> > > ignored until now and then taken without review to the hotfixes queue?
> >
> > I'm developing code that translates parallelizable loops written in the
> > Ajla programming language (www.ajla-lang.cz) into OpenCL and runs them on
> > the graphics card. Ajla sets up a periodic timer that sends a signal for
> > scheduling purposes and this signal interferes with OpenCL, causing the
> > -EINTR failures.
> >
> > So far, I worked around this bug by blocking all signals around the
> > functions clGetPlatformIDs and clGetDeviceIDs - but it would be better to
> > fix it in the Linux kernel and remove the signal-blocking hacks.
>
> Sure I get that, I'm just confused as to why this was suddenly taken to
> mm-unstable-hotfix out of the blue a couple months later.
>
> Anyway I sent another mail with review, please rework this patch accordingly.

OK sorry you already have, sorry I am catching up with ~700 mails after annual
leave :)

>
> >
> > Mikulas
> >
> >
>
> Thanks, Lorenzo
>