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. -- Catalin
