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Re: [Qemu-devel] [PATCH v2] migration: Don't use *_to_cpup() and cpu_to_

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v2] migration: Don't use *_to_cpup() and cpu_to_*w()
Date: Fri, 10 Jun 2016 13:15:12 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 06/10/2016 10:09 AM, Peter Maydell wrote:
> The *_to_cpup() and cpu_to_*w() functions just compose a pointer
> dereference with a byteswap. Instead use ld*_p() and st*_p(),
> which handle potential pointer misalignment and avoid the need
> to cast the pointer.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> Changes v1->v2: fix cpu_to_*w() uses too.
> The motivation here is that I'd like to get rid of _to_cpup()
> and cpu_to_*w() entirely: we don't have many places that use them.
> ---
>  migration/migration.c | 12 ++++++------
>  migration/savevm.c    |  4 ++--
>  2 files changed, 8 insertions(+), 8 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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