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Date:   Tue, 4 Jun 2019 12:12:31 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Julien Grall <julien.grall@arm.com>
Cc:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        kvmarm@lists.cs.columbia.edu, will.deacon@arm.com,
        christoffer.dall@arm.com, marc.zyngier@arm.com,
        james.morse@arm.com, julien.thierry@arm.com,
        suzuki.poulose@arm.com, Dave.Martin@arm.com,
        ard.biesheuvel@linaro.org
Subject: Re: [PATCH v5 2/3] arch/arm64: fpsimd: Introduce
 fpsimd_save_and_flush_cpu_state() and use it
Message-ID: <20190604111230.GA5668@arrakis.emea.arm.com>
References: <20190521172139.21277-1-julien.grall@arm.com>
 <20190521172139.21277-3-julien.grall@arm.com>
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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.

Thanks.

-- 
Catalin