linux-kernel - Re: [PATCH] arm64: Move post_ttbr_update

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Message-ID: <20180214182236.GA4611@kroah.com>
Date:   Wed, 14 Feb 2018 19:22:36 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, will.deacon@....com,
        catalin.marinas@....com, broonie@...aro.org, marc.zyngier@....com
Subject: Re: [PATCH] arm64: Move post_ttbr_update_workaround to C code

On Wed, Feb 14, 2018 at 03:51:40PM +0000, Ard Biesheuvel wrote:
> From: Marc Zyngier <marc.zyngier@....com>
> 
> Commit 95e3de3590e3 upstream.
> 
> We will soon need to invoke a CPU-specific function pointer after changing
> page tables, so move post_ttbr_update_workaround out into C code to make
> this possible.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>
> Signed-off-by: Will Deacon <will.deacon@....com>
> Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
> ---
>  arch/arm64/include/asm/assembler.h | 13 -------------
>  arch/arm64/kernel/entry.S          |  2 +-
>  arch/arm64/mm/context.c            |  9 +++++++++
>  arch/arm64/mm/proc.S               |  3 +--
>  4 files changed, 11 insertions(+), 16 deletions(-)

Thanks, now applied.

greg k-h