[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 at kernel.org>
>>
>> [ Upstream commit 49ed920408f85fb143020cf7d95612b6b12a84a2 ]
>>
>> Fixes build problems for configurations with KVM enabled but SVE disabled.
>>
>> Reported-by: Catalin Marinas <catalin.marinas at arm.com>
>> Signed-off-by: Mark Brown <broonie at kernel.org>
>> Link: https://lore.kernel.org/r/20211022141635.2360415-2-broonie@kernel.org
>> Signed-off-by: Will Deacon <will at kernel.org>
>> Signed-off-by: Sasha Levin <sashal at 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.

I'll drop it, thanks!

-- 
Thanks,
Sasha