On Mon, Nov 08, 2021 at 12:50:25PM -0500, Sasha Levin wrote:
From: Mark Brown broonie@kernel.org
[ Upstream commit 49ed920408f85fb143020cf7d95612b6b12a84a2 ]
Fixes build problems for configurations with KVM enabled but SVE disabled.
Reported-by: Catalin Marinas catalin.marinas@arm.com Signed-off-by: Mark Brown broonie@kernel.org Link: https://lore.kernel.org/r/20211022141635.2360415-2-broonie@kernel.org Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org
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.