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Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function
Date 2017-02-14 10:50 +0100
Message-ID <taHUe-8vw-35@gated-at.bofh.it> (permalink)
References (5 earlier) <tamwq-2Cb-11@gated-at.bofh.it> <tauNj-831-1@gated-at.bofh.it> <tavgm-8uf-19@gated-at.bofh.it> <tawP8-V7-29@gated-at.bofh.it> <taxrQ-1st-23@gated-at.bofh.it>
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On Mon, Feb 13, 2017 at 05:34:01PM -0500, Waiman Long wrote:
> It is the address of &steal_time that will exceed the 32-bit limit.

That seems extremely unlikely. That would mean we have more than 4G
worth of per-cpu variables declared in the kernel.

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[PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function Waiman Long <longman@redhat.com> - 2017-02-10 17:00 +0100
  Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Paolo Bonzini <pbonzini@redhat.com> - 2017-02-10 17:30 +0100
  Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-10 17:30 +0100
    Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-10 18:10 +0100
      Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-13 11:50 +0100
        Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-13 12:00 +0100
          Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-13 20:50 +0100
            Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-13 21:20 +0100
              Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-13 23:00 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function hpa@zytor.com - 2017-02-13 23:10 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function hpa@zytor.com - 2017-02-13 23:20 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-13 23:40 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function hpa@zytor.com - 2017-02-13 23:50 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-14 10:50 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-14 15:50 +0100
                Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-14 17:10 +0100
                Re: [Xen-devel] [PATCH v2] x86/paravirt: Don't make  vcpu_is_preempted() a callee-save function Andrew Cooper <andrew.cooper3@citrix.com> - 2017-02-14 17:20 +0100
          Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a callee-save function hpa@zytor.com - 2017-02-13 21:20 +0100
            Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-13 23:00 +0100
            Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-13 23:30 +0100
              Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Peter Zijlstra <peterz@infradead.org> - 2017-02-13 23:40 +0100
        Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-13 20:50 +0100
    Re: [PATCH v2] x86/paravirt: Don't make vcpu_is_preempted() a  callee-save function Waiman Long <longman@redhat.com> - 2017-02-10 19:10 +0100

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