lkml.org 
[lkml]   [2019]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v5 2/3] arch/arm64: fpsimd: Introduce fpsimd_save_and_flush_cpu_state() and use it
From
Date
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
>> fpsimd_flush_cpu_state().
>>
>> 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@arm.com>
>> Reviewed-by: Dave Martin <Dave.Martin@arm.com>
> [...]
>> ---
>> 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@arm.com>

to the whole series.

Thanks,

M.
--
Jazz is not dead. It just smells funny...

\
 
 \ /
  Last update: 2019-06-04 13:53    [W:0.029 / U:1.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site