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Re: [Qemu-devel] [PATCH 6/6] pc_sysfw: change rom_only default to 0
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 6/6] pc_sysfw: change rom_only default to 0 |
Date: |
Mon, 29 Apr 2013 23:10:17 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
Il 29/04/2013 20:23, Jordan Justen ha scritto:
> On Mon, Apr 29, 2013 at 1:20 AM, Paolo Bonzini <address@hidden> wrote:
>> Il 28/04/2013 10:32, Jordan Justen ha scritto:
>>> Now KVM can support a flash memory. This feature depends on
>>> KVM_CAP_READONLY_MEM, which was introduced in Linux 3.7.
>>
>> I don't think we can require such a new kernel to run KVM. IIUC, an
>> older kernel would just fail to start, right?
>
> Would it also be unacceptable to alter the behavior based on the kvm
> capabilities? So, we can't use rom-mode for old kvm, but flash mode
> for new kvm? (In other words, behave similarly to qemu 1.2-1.4 in kvm
> vs. non-kvm mode.)
No, unfortunately the host versions must not affect the hardware.
Paolo
Re: [Qemu-devel] [PATCH 6/6] pc_sysfw: change rom_only default to 0, Markus Armbruster, 2013/04/29
[Qemu-devel] [PATCH 5/6] pc_sysfw: allow flash memory to be used with KVM, Jordan Justen, 2013/04/28
[Qemu-devel] [PATCH 2/6] kvm: support using KVM_MEM_READONLY flag for readonly regions, Jordan Justen, 2013/04/28