Re: [PATCH v5 2/3] arch/arm64: fpsimd: Introduce fpsimd_save_and_flush_cpu_state() and use it
From: Marc Zyngier
Date: Tue Jun 04 2019 - 07:56:25 EST
On 04/06/2019 12:12, Catalin Marinas wrote:
> On Tue, May 21, 2019 at 06:21:38PM +0100, Julien Grall wrote:
>> The only external user of fpsimd_save() and fpsimd_flush_cpu_state() is
>> the KVM FPSIMD code.
>> A following patch will introduce a mechanism to acquire owernship of the
>> FPSIMD/SVE context for performing context management operations. Rather
>> than having to export the new helpers to get/put the context, we can just
>> introduce a new function to combine fpsimd_save() and
>> This has also the advantage to remove any external call of fpsimd_save()
>> and fpsimd_flush_cpu_state(), so they can be turned static.
>> Lastly, the new function can also be used in the PM notifier.
>> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
>> Reviewed-by: Dave Martin <Dave.Martin@xxxxxxx>
>> arch/arm64/include/asm/fpsimd.h | 4 +---
>> arch/arm64/kernel/fpsimd.c | 17 +++++++++++++----
>> arch/arm64/kvm/fpsimd.c | 4 +---
>> 3 files changed, 15 insertions(+), 10 deletions(-)
> Marc, since this touches KVM, can I get an ack on this patch? I plan to
> queue the series.
Sure. Please add my
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
to the whole series.
Jazz is not dead. It just smells funny...