[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20201120120154.GE3021@hirez.programming.kicks-ass.net>
Date: Fri, 20 Nov 2020 13:01:54 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Juergen Gross <jgross@...e.com>
Cc: xen-devel@...ts.xenproject.org, x86@...nel.org,
linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
luto@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
"K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Stephen Hemminger <sthemmin@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>, Deep Shah <sdeep@...are.com>,
"VMware, Inc." <pv-drivers@...are.com>,
Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <sean.j.christopherson@...el.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Joerg Roedel <joro@...tes.org>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Stefano Stabellini <sstabellini@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Dietmar Eggemann <dietmar.eggemann@....com>,
Steven Rostedt <rostedt@...dmis.org>,
Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: Re: [PATCH v2 06/12] x86/paravirt: switch time pvops functions to
use static_call()
On Fri, Nov 20, 2020 at 12:46:24PM +0100, Juergen Gross wrote:
> The time pvops functions are the only ones left which might be
> used in 32-bit mode and which return a 64-bit value.
>
> Switch them to use the static_call() mechanism instead of pvops, as
> this allows quite some simplification of the pvops implementation.
>
> Due to include hell this requires to split out the time interfaces
> into a new header file.
There's also this patch floating around; just in case that would come in
handy:
https://lkml.kernel.org/r/20201110005609.40989-3-frederic@kernel.org
Powered by blists - more mailing lists