Re: [PATCH 5.10 00/99] 5.10.176-rc1 review

[Greg Kroah-Hartman]

On Tue, Mar 21, 2023 at 12:02:30PM +0800, David Gow wrote:
> On Tue, 21 Mar 2023 at 03:41, Pavel Machek <pavel@xxxxxxx> wrote:
> >
> > Hi!
> >
> > > This is the start of the stable review cycle for the 5.10.176 release.
> > > There are 99 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > >
> >
> > > David Gow <davidgow@xxxxxxxxxx>
> > >     rust: arch/um: Disable FP/SIMD instruction to match x86
> >
> > Why is this patch here? It does not make sense for stable, it was only
> > in AUTOSEL for less than a week, and I already explained why it is
> > bad.
> >
> > "git grep KBUILD_RUSTFLAGS" if in doubt.
> 
> I agree: let's exclude this patch from -stable.
> 
> While the CFLAGS part of it is still _technically_ valid without Rust,
> it turns out it triggers a bug in gcc <11, so is probably best
> avoided. See:
> - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99652
> - https://lore.kernel.org/linux-um/20230318041555.4192172-1-davidgow@xxxxxxxxxx/

Thanks, I've now dropped this from kernels 5.15 and older.

greg k-h