linux-kernel - Re: [PATCH 06/16] Enforce minimum alignment of 1 page on allocations. The efi_high_alloc() and efi_low_alloc() functions use the EFI_ALLOCATE_ADDRESS option to the EFI function allocate_pages(), which requires a minimum of page alignment, and rejects all other requests.

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Message-ID: <1376402228.27484.17.camel@t520.redhat.com>
Date:	Tue, 13 Aug 2013 09:57:08 -0400
From:	Mark Salter <msalter@...hat.com>
To:	Roy Franz <roy.franz@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, matt.fleming@...el.com,
	linux@....linux.org.uk, leif.lindholm@...aro.org,
	dave.martin@....com
Subject: Re: [PATCH 06/16] Enforce minimum alignment of 1 page on
 allocations. The efi_high_alloc() and efi_low_alloc() functions use the
 EFI_ALLOCATE_ADDRESS option to the EFI function allocate_pages(), which
 requires a minimum of page alignment, and rejects all other requests.

On Fri, 2013-08-09 at 16:26 -0700, Roy Franz wrote:
> The existing code could fail to allocate depending
> on allocation size, as although repeated allocation
> attempts were made, none were guaranteed to be page
> aligned.
> 
> 
> 
> Signed-off-by: Roy Franz <roy.franz@...aro.org>
> ---

Tested on arm64.

Acked-by: Mark Salter <msalter@...hat.com>


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