Re: [PATCH v2 00/13] x86/msr: Drop 32-bit MSR interfaces

From: "Jürgen Groß" <jgross@suse.com>
To: Sean Christopherson <seanjc@google.com>,
	Dave Hansen <dave.hansen@intel.com>
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Subject: Re: [PATCH v2 00/13] x86/msr: Drop 32-bit MSR interfaces
Date: Thu, 20 Aug 2026 07:27:11 +0200	[thread overview]
Message-ID: <7c46f230-7eff-4420-aafc-47fdc27abd24@suse.com> (raw)
In-Reply-To: <aoXM2f1YTwgVj8KL@google.com>

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On 19.08.26 17:33, Sean Christopherson wrote:
> On Wed, Aug 19, 2026, Dave Hansen wrote:
>> Hey Juergen,
>>
>> These look great. Thanks for doing it!
>>
>> The only wonky thing is how we're going to actually merge it. We
>> obviously can't do patches 10-11 until all the "stop using" patches have
>> been applied.
>>
>> I obviously 100% realize that it's during the merge window, but any acks
>> that the maintainers of 5-9 provide in the next few weeks would be super
>> helpful. Or, if any of those maintainers want to cherry pick their
>> subsystem's stuff out of this series and apply it, that would be great too.
>>
>> But, the last time we did some MSR function munging, the tip tree
>> carried most of the patches. I would expect we'll have a repeat of that
>> here too. I'll pencil in the idea of just merging the lot around -rc1 time.
> 
> Note, patch 12 "treewide: convert rdmsrq() from a macro to an inline function"
> is going to conflict with the KVM changes for 7.3; kvm_access_xstate_msr() is
> getting moved from x86.c to msrs.c.  Somewhat surprisingly, AFAICT that's the
> only conflict with KVM's code movement, so it's probably not strictly required
> to send a new version after the KVM pull request?

I'm expecting some more conflicts especially for patches 10-12 before they are
merged. I'm more or less constantly rebasing locally. In case a conflict is
detected, I'll send a V3 after rc1.

Juergen

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