From: Paolo Bonzini <pbonzini@redhat.com>
To: Gal Hammer <ghammer@redhat.com>, qemu-devel@nongnu.org
Cc: armbru@redhat.com
Subject: Re: [Qemu-devel] [PATCH RESEND 0/2 V2] Virtual Machine Generation ID
Date: Sun, 14 Sep 2014 15:40:45 +0200 [thread overview]
Message-ID: <54159ADD.10200@redhat.com> (raw)
In-Reply-To: <54157317.3040208@redhat.com>
Il 14/09/2014 12:51, Gal Hammer ha scritto:
>>
>> I think because of this, it is a bit simpler to add the device
>> optionally to the SSDT, similar to how the TPM is handled.
>
> Back to SSDT? Didn't you say something about migration issues that
> prevent me from using SSDT because the table's data is modified?
I said you have to either:
1) Use the DSDT, with a dynamic _STA method.
2) Use the SSDT, and only add the device if the device is specified on
the command line. This avoids the avoid migration issues. At this
point the _STA method can be static.
Using the DSDT is possible, it's just that you have to do it as well for
Q35, and I think it is harder than moving it back to the SSDT. Sorry
for not thinking earlier about the different chipsets.
Paolo
prev parent reply other threads:[~2014-09-14 13:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-14 6:25 [Qemu-devel] [PATCH RESEND 0/2 V2] Virtual Machine Generation ID Gal Hammer
2014-09-14 6:25 ` [Qemu-devel] [PATCH 1/2] i386: Add an ACPI_EXTRACT_NAME_BUFFER16 directive Gal Hammer
2014-09-14 8:48 ` Paolo Bonzini
2014-09-14 6:25 ` [Qemu-devel] [PATCH 2/2] i386: Add a Virtual Machine Generation ID device Gal Hammer
2014-09-14 8:48 ` [Qemu-devel] [PATCH RESEND 0/2 V2] Virtual Machine Generation ID Paolo Bonzini
2014-09-14 10:51 ` Gal Hammer
2014-09-14 13:40 ` Paolo Bonzini [this message]
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