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Re: [Qemu-devel] [PATCH] Avoid CPU endian memory accesses in devices
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From: |
Blue Swirl |
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Subject: |
Re: [Qemu-devel] [PATCH] Avoid CPU endian memory accesses in devices |
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Date: |
Fri, 15 Jul 2011 23:02:07 +0300 |
On Fri, Jul 15, 2011 at 12:56 AM, Alexander Graf <address@hidden> wrote:
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> Am 14.07.2011 um 21:34 schrieb Blue Swirl <address@hidden>:
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>> Don't compile virtio.c in hwlib, it depends on memory accesses
>> performed in CPU endianness.
>>
>> Make loads and stores in CPU endianness unavailable to devices
>> and poison them to avoid further bugs.
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> Very nice :). Couldn't test execute it, but:
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> Acked-by: Alexander Graf <address@hidden>
By the way, another way would be to change virtio to always use LE
accesses. This would need changes to KVM on PPC and s390x. Would that
be possible?