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
