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Re: [Qemu-ppc] [Qemu-devel] [PATCH] Add nvram to default boot device lis
From: |
Avik Sil |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH] Add nvram to default boot device list |
Date: |
Tue, 16 Oct 2012 17:15:15 +0530 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
On 10/12/2012 08:32 AM, Chris Wright wrote:
> * Alexander Graf (address@hidden) wrote:
>> On 12.10.2012, at 02:28, David Gibson wrote:
>>> On Fri, Oct 12, 2012 at 02:03:00AM +0200, Alexander Graf wrote:
>>>> On 12.10.2012, at 00:59, David Gibson wrote:
>>>>> On Thu, Oct 11, 2012 at 07:34:42AM +0530, Avik Sil wrote:
>>>>>> This patch adds nvram specified boot device into qemu default
>>>>>> boot_devices list. This helps firmware to boot from nvram specified
>>>>>> boot device if no -boot option is specified.
>>>>>
>>>>> I really don't think this is a good idea, it extends an already
>>>>> deprecated mechanism in a fuzzy way and requires careful checking to
>>>>> see if it could break anything. On all platforms the boot sequence
>>>>> should be:
>>>>> if bootindex is specified:
>>>>> boot according to bootindex
>>>>> else if -boot is specified:
>>>>> boot according to -boot sequence
>>>>> else:
>>>>> use platform firmware default sequence
>>>>>
>>>>> The last will of course vary by platform, and could depend on platform
>>>>> details like the contents of NVRAM. Your original idea of making it
>>>>> clear to the guest when -boot has been specified (as opposed to when
>>>>> it contains its default value) was the right one, and this "x" in
>>>>> -boot is going the wrong direction.
>>>>
>>>> Given that this is a fundamental direction for a bunch of machines,
>>>> how about we talk about it on the weekly QEMU call?
>>>
>>> Uh, is this a call I know about?
>>
>> I would hope so. Chris / Juan, who is in charge of the phone numbers these
>> days?
>
> Added David to the invite which contains the call details (very
> unfriendly time for .au I'm afraid, 14:00 UTC).
>
Is it OK if I proxy David as it's unfriendly time for him? Also can this
topic be included in today's call?
Regards,
Avik
Re: [Qemu-ppc] [Qemu-devel] [PATCH] Add nvram to default boot device list, Avik Sil, 2012/10/12