From: "H. Peter Anvin" <hpa@zytor.com>
To: Kevin O'Connor <kevin@koconnor.net>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
Anthony Liguori <aliguori@linux.vnet.ibm.com>,
seabios@seabios.org, qemu-devel@nongnu.org,
Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] add 40-48 bit RAM range to seabios
Date: Fri, 17 Sep 2010 11:49:05 -0700 [thread overview]
Message-ID: <4C93B821.1000209@zytor.com> (raw)
In-Reply-To: <20100917131130.GA15945@morn.localdomain>
On 09/17/2010 06:11 AM, Kevin O'Connor wrote:
> On Fri, Sep 17, 2010 at 07:53:12AM -0500, Anthony Liguori wrote:
>> On 09/16/2010 08:47 PM, Kevin O'Connor wrote:
>>> On Wed, Sep 15, 2010 at 07:15:28PM +0200, Andrea Arcangeli wrote:
>>>> This uses a new cmos port at 0x5e that shall read zero to be backwards
>>>> compatible.
>>> It looks okay to me. Can you provide an Acked-by from one of the qemu
>>> or kvm maintainers?
>>
>> Is CMOS the best place to communicate this (as opposed to fw_cfg)?
>>
>> I know we currently expose memory size via CMOS but perhaps it's
>> better to switch to a 64-bit fw_cfg value.
>
> I'd personally prefer fw_cfg.
>
> Also, another possibility would be to stop sending an absolute max and
> to instead send a map of memory. The latter would allow for
> non-contiguous memory.
>
That would be highly useful for testing purposes.
-hpa
prev parent reply other threads:[~2010-09-17 18:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-15 17:15 [Qemu-devel] [PATCH] add 40-48 bit RAM range to seabios Andrea Arcangeli
2010-09-17 1:47 ` Kevin O'Connor
2010-09-17 12:53 ` Anthony Liguori
2010-09-17 13:11 ` Kevin O'Connor
2010-09-17 18:49 ` H. Peter Anvin [this message]
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