Re: [PATCH AUTOSEL 4.19 41/47] arm64/sve: Add stub for sve_max_virtualisable_vl()

[Sasha Levin]

On Tue, Nov 09, 2021 at 01:20:44PM +0000, Catalin Marinas wrote:
> On Mon, Nov 08, 2021 at 12:50:25PM -0500, Sasha Levin wrote:
> > From: Mark Brown <broonie@xxxxxxxxxx>
> >
> > [ Upstream commit 49ed920408f85fb143020cf7d95612b6b12a84a2 ]
> >
> > Fixes build problems for configurations with KVM enabled but SVE disabled.
> >
> > Reported-by: Catalin Marinas <catalin.marinas@xxxxxxx>
> > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> > Link: https://lore.kernel.org/r/20211022141635.2360415-2-broonie@xxxxxxxxxx
> > Signed-off-by: Will Deacon <will@xxxxxxxxxx>
> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> > ---
> >  arch/arm64/include/asm/fpsimd.h | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
> > index dd1ad3950ef5d..5bd799ea683b4 100644
> > --- a/arch/arm64/include/asm/fpsimd.h
> > +++ b/arch/arm64/include/asm/fpsimd.h
> > @@ -130,6 +130,11 @@ static inline void fpsimd_release_task(struct task_struct *task) { }
> >  static inline void sve_sync_to_fpsimd(struct task_struct *task) { }
> >  static inline void sve_sync_from_fpsimd_zeropad(struct task_struct *task) { }
> >
> > +static inline int sve_max_virtualisable_vl(void)
> > +{
> > +	return 0;
> > +}
>
> IIRC this fix was only needed for 5.16-rc1.

I'll drop it, thanks!

--
Thanks,
Sasha