linux-kernel - [PATCH-tip v2 0/2] x86/paravirt: Enable users to choose PV lock type

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Message-Id: <1509569934-4919-1-git-send-email-longman@redhat.com>
Date:   Wed,  1 Nov 2017 16:58:52 -0400
From:   Waiman Long <longman@...hat.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Jonathan Corbet <corbet@....net>
Cc:     x86@...nel.org, virtualization@...ts.linux-foundation.org,
        kvm@...r.kernel.org, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org, Juergen Gross <jgross@...e.com>,
        Alok Kataria <akataria@...are.com>,
        Rusty Russell <rusty@...tcorp.com.au>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Waiman Long <longman@...hat.com>
Subject: [PATCH-tip v2 0/2] x86/paravirt: Enable users to choose PV lock type

v1->v2:
 - Make pv_spinlock_type a bit mask for easier checking.
 - Add patch 2 to deprecate xen_nopvspin

v1 - https://lkml.org/lkml/2017/11/1/381

Patch 1 adds a new pvlock_type parameter for the administrators to
specify the type of lock to be used in a para-virtualized kernel.

Patch 2 deprecates Xen's xen_nopvspin parameter as it is no longer
needed.

Waiman Long (2):
  x86/paravirt: Add kernel parameter to choose paravirt lock type
  x86/xen: Deprecate xen_nopvspin

 Documentation/admin-guide/kernel-parameters.txt | 11 ++++---
 arch/x86/include/asm/paravirt.h                 |  9 ++++++
 arch/x86/kernel/kvm.c                           |  3 ++
 arch/x86/kernel/paravirt.c                      | 40 ++++++++++++++++++++++++-
 arch/x86/xen/spinlock.c                         | 17 +++++------
 5 files changed, 65 insertions(+), 15 deletions(-)

-- 
1.8.3.1