linux-kernel - Re: [PATCH V6 1/4] efi: x86: rearrange efi_mem

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Message-ID: <20150722111106.GC2734@codeblueprint.co.uk>
Date:	Wed, 22 Jul 2015 12:11:06 +0100
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	"Jonathan (Zhixiong) Zhang" <zjzhang@...eaurora.org>
Cc:	Matt Fleming <matt.fleming@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	ying.huang@...el.com, fu.wei@...aro.org, al.stone@...aro.org,
	bp@...en8.de, rjw@...ysocki.net, catalin.marinas@....com,
	will.deacon@....com, linux-efi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org
Subject: Re: [PATCH V6 1/4] efi: x86: rearrange efi_mem_attributes()

On Mon, 20 Jul, at 05:32:36PM, Jonathan (Zhixiong) Zhang wrote:
> From: "Jonathan (Zhixiong) Zhang" <zjzhang@...eaurora.org>
> 
> x86 and ia64 implement efi_mem_attributes() differently. This
> function needs to be available for other arch (such as arm64)
> as well, such as for the purpose of ACPI/APEI.
> 
> ia64 efi does not setup memmap variable and does not set
> EFI_MEMMAP flag, so it needs to have its unique implementation
> of efi_mem_attributes().
> 
> Move efi_mem_attributes() implementation from x86 to efi, and
> declare it with __weak. It is recommended that other archs
> should not override the default implementation.
> 
> Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@...eaurora.org>
> ---
>  arch/x86/platform/efi/efi.c | 18 ------------------
>  drivers/firmware/efi/efi.c  | 31 +++++++++++++++++++++++++++++++
>  2 files changed, 31 insertions(+), 18 deletions(-)

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

-- 
Matt Fleming, Intel Open Source Technology Center
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