linux-kernel - Re: [PATCH] UEFI: Don't pass boot services regions to SetVirtualAddressMap()

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Date:	Thu, 06 Jun 2013 14:23:26 +0100
From:	Matt Fleming <matt.fleming@...el.com>
To:	Matthew Garrett <matthew.garrett@...ula.com>
CC:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] UEFI: Don't pass boot services regions to SetVirtualAddressMap()

On 02/06/13 23:12, Matthew Garrett wrote:
> We need to map boot services regions during startup in order to avoid
> firmware bugs, but we shouldn't be passing those regions to
> SetVirtualAddressMap(). Ensure that we're only passing regions that are
> marked as being mapped at runtime.
> 
> Signed-off-by: Matthew Garrett <matthew.garrett@...ula.com>
> ---
>  arch/x86/platform/efi/efi.c | 7 +++++++
>  1 file changed, 7 insertions(+)

This doesn't fix a crash or regression, right? If it's a "this just
makes more sense" patch, I'll queue it up in the 'next' branch for
v3.11.
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