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Re: [Qemu-trivial] [Qemu-devel] [PATCH 2/2] exec.c: Use subpages for lar

From: Avi Kivity
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH 2/2] exec.c: Use subpages for large unaligned mappings
Date: Wed, 01 Aug 2012 16:02:04 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0

On 07/26/2012 01:45 AM, Tyler Hall wrote:
> Registering a multi-page memory region that is non-page-aligned results
> in a subpage from the start to the page boundary, some number of full
> pages, and possibly another subpage from the last page boundary to the
> end. The full pages will have a value for offset_within_region that is
> not a multiple of TARGET_PAGE_SIZE. Accesses through softmmu are unable
> to handle this and will segfault.
> Handling full pages through subpages is not optimal, but only
> non-page-aligned mappings take the penalty.

Reviewed-by: Avi Kivity <address@hidden>

error compiling committee.c: too many arguments to function

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