linux-kernel - Re: [PATCH V2 1/2] arm64: apei: implement arch_apei_get_mem

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Message-ID: <20150817130553.GA3233@codeblueprint.co.uk>
Date:	Mon, 17 Aug 2015 14:05:53 +0100
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	"Jonathan (Zhixiong) Zhang" <zjzhang@...eaurora.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H . Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	linux-efi@...r.kernel.org, Matt Fleming <matt.fleming@...el.com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Will Deacon <will.deacon@....com>
Subject: Re: [PATCH V2 1/2] arm64: apei: implement
 arch_apei_get_mem_attributes()

On Fri, 14 Aug, at 03:37:29PM, Jonathan (Zhixiong) Zhang wrote:
> From: "Jonathan (Zhixiong) Zhang" <zjzhang@...eaurora.org>
> 
> Table 8 of UEFI 2.5 section 2.3.6.1 defines mappings from EFI
> memory types to MAIR attribute encodings for arm64.
> 
> If the physical address has memory attributes defined by EFI
> memmap as EFI_MEMORY_[UC|WC|WT], return approprate page protection
> type according to the UEFI spec. Otherwise, return PAGE_KERNEL.
> 
> Reviewed-by: Catalin Marinas <catalin.marinas@....com>
> Acked-by: Hanjun Guo <hanjun.guo@...aro.org>
> Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@...eaurora.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Matt Fleming <matt.fleming@...el.com>
> Cc: Hanjun Guo <hanjun.guo@...aro.org>
> Cc: Will Deacon <will.deacon@....com>
> ---
> V2: Changed arm64's implementation of arch_apei_get_mem_attributes()
>     from inline function to out of line function, based on Ingo's
>     feedback.
> 
>  arch/arm64/include/asm/acpi.h |  5 +++++
>  arch/arm64/kernel/acpi.c      | 29 +++++++++++++++++++++++++++++
>  2 files changed, 34 insertions(+)
> 

Looks fine to me, though it appears to be missing Ard's Reviewed-by
tag (the only change from the previous version is that it's no longer
inline).

Reviewed-by: Matt Fleming <matt.fleming@...el.com>

Ingo, are you going to pick up this patch series and apply it directly
to tip if you're OK with this version?

-- 
Matt Fleming, Intel Open Source Technology Center
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