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Re: [Qemu-devel] [PATCH v2] isapc: Fix non-KVM qemu boot (read/write mem

From: Jordan Justen
Subject: Re: [Qemu-devel] [PATCH v2] isapc: Fix non-KVM qemu boot (read/write memory for isapc BIOS)
Date: Wed, 15 May 2013 09:50:17 -0700

On Tue, May 14, 2013 at 7:57 AM, Anthony Liguori <address@hidden> wrote:
> Jordan Justen <address@hidden> writes:
>> The isapc machine with seabios currently requires the BIOS region
>> to be read/write memory rather than read-only memory.
>> KVM currently cannot support the BIOS as a ROM region, but qemu
>> in non-KVM mode can. Based on this, isapc machine currently only
>> works with KVM.
>> To work-around this isapc issue, this change avoids marking the
>> BIOS as readonly for isapc.
>> This change also will allow KVM to start supporting ROM mode
>> Signed-off-by: Jordan Justen <address@hidden>
>> Reviewed-by: Paolo Bonzini <address@hidden>
>> ---
>> v2:
>>  * Fix build issue with this patch. Apologies for not testing
>>    this patch outside of my kvm-flash series.
> This needs to be rebased post-Paolo's revert.
> Make sure you've got at least:
> commit 9e1c2ec8fd8d9a9ee299ea86c5f6c986fe25e838
> Author: Paolo Bonzini <address@hidden>
> Date:   Fri May 10 14:38:03 2013 +0200
>     Revert "pc: Kill the "use flash device for BIOS unless KVM" misfeature"

I re-posted this as Patch 1 in v6 of my kvm-flash series.


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