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Re: [Qemu-devel] State of KVM bits in linux-headers
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] State of KVM bits in linux-headers |
Date: |
Wed, 11 Jan 2012 20:48:52 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-01-11 20:46, Alexander Graf wrote:
>
> On 11.01.2012, at 20:41, Anthony Liguori wrote:
>
>> On 01/11/2012 01:38 PM, Jan Kiszka wrote:
>>>>
>>>>> I would like to see us avoiding this in the future. Headers update
>>>>> patches should mention the source and should not be merged until the ABI
>>>>> changes actually made it at least into kvm.git. Same applies, of course,
>>>>> to the functional changes related to that ABI. Otherwise we risk quite
>>>>> some mess on everyone's side.
>>>>
>>>> I agree.
>>>>
>>>>> Another thing: KVM_CAP_PPC_HIOR has been removed again from the kernel
>>>>> and also the header. Is there real free space now or will the cap
>>>>> reappear? If there should better be a placeholder, let's add it (to the
>>>>> kernel).
>>>>
>>>> I will reappear with ONE_REG semantics.
>>>>
>>>
>>> OK.
>>>
>>> Then please clean up now so that update-linux-headers.sh can be used
>>> again by "normal" developers. :)
>>
>> Before we did submodules and had a responsive BIOS maintainer, we maintained
>> patches within qemu.git for our external dependencies. I think that's a
>> good strategy here too. It's a little painful, but not entirely awful.
>>
>> At least it makes it possible for you to (hopefully) trivial rebase a patch
>> if something is still in limbo.
>
> Yeah, that works. I can easily script that part. It doesn't solve the actual
> underlying problem though that we don't know when the abi is actually stable.
> I'm slowly starting to understand Pekka ;).
IIRC, we never had this problem with qemu-kvm - as the merges were
coordinated with the kernel (subsystem) tree.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
- [Qemu-devel] State of KVM bits in linux-headers, Jan Kiszka, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Alexander Graf, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Jan Kiszka, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Anthony Liguori, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Alexander Graf, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers,
Jan Kiszka <=
- Re: [Qemu-devel] State of KVM bits in linux-headers, Anthony Liguori, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Alexander Graf, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Anthony Liguori, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Alexander Graf, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Anthony Liguori, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Alexander Graf, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Avi Kivity, 2012/01/12
- Re: [Qemu-devel] State of KVM bits in linux-headers, Jan Kiszka, 2012/01/11
- Re: [Qemu-devel] State of KVM bits in linux-headers, Gleb Natapov, 2012/01/12
[Qemu-devel] [RFC][PATCH] Update linux headers against kvm.git, Jan Kiszka, 2012/01/11