linux-kernel - Re: [patch V2 00/58] x86/apic: Decrapification and static calls

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Message-ID: <98d68bd9-fbb9-f084-a99b-48d7b277a413@suse.com>
Date:   Mon, 31 Jul 2023 14:20:13 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Andrew Cooper <andrew.cooper3@...rix.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Wei Liu <wei.liu@...nel.org>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Peter Keresztes Schmidt <peter@...esztesschmidt.de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>
Subject: Re: [patch V2 00/58] x86/apic: Decrapification and static calls

On 24.07.23 15:33, Thomas Gleixner wrote:
> Hi!
> 
> This is the follow up to:
> 
>    https://lore.kernel.org/lkml/20230717223049.327865981@linutronix.de
> 
> which addresses the review feedback and some minor 0day-robot fallout.
> 
> TLDR: This cleans up accrued and partially unused gunk in order to convert
> the APIC callbacks to static calls.
> 
> The changes vs. V1:
> 
>    - Fixed the minor fallout reported by Michael and Peter
> 
>    - Mopped up XEN/PV even more - Juergen
> 
>    - Fixed up a place which still wrote into mp_lapic_addr directly in
>      mpparse
> 
>    - Addressed 0day fallout on 32bit with KVM guest enabled and local APIC
>      disabled. Sigh!
> 
> The series is also available from git:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git apic-static-call-v2
> 

With the changes suggested for patches 16 and 50 this series seems to work
fine for Xen PV (dom0 and domU).


Juergen

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