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Re: [PATCH 1/5] mmu: mark spte present if the x bit is set

From Wanpeng Li <kernellwp@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/5] mmu: mark spte present if the x bit is set
Date 2016-07-05 05:10 +0200
Message-ID <rRoUh-5HL-3@gated-at.bofh.it> (permalink)
References (2 earlier) <rOWSt-4vW-9@gated-at.bofh.it> <rP59o-1Ba-15@gated-at.bofh.it> <rP7Ee-3d8-37@gated-at.bofh.it> <rP7Xz-3k5-23@gated-at.bofh.it> <rP87f-3nq-13@gated-at.bofh.it>
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2016-06-29 4:49 GMT+08:00 Paolo Bonzini <pbonzini@redhat.com>:
[...]
>
> I think another way to write it is "(pte & 0xFFFFFFFFull) &&
> !is_mmio_spte(pte)", since non-present/non-MMIO SPTEs never use bits

I misunderstand it here, this will also treat -W- EPT SPTEs as present, right?

Regards,
Wanpeng Li

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Thread

[PATCH 1/5] mmu: mark spte present if the x bit is set Bandan Das <bsd@redhat.com> - 2016-06-28 06:40 +0200
  Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Paolo Bonzini <pbonzini@redhat.com> - 2016-06-28 10:50 +0200
    Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Bandan Das <bsd@redhat.com> - 2016-06-28 19:40 +0200
      Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Paolo Bonzini <pbonzini@redhat.com> - 2016-06-28 22:20 +0200
        Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Bandan Das <bsd@redhat.com> - 2016-06-28 22:40 +0200
          Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Paolo Bonzini <pbonzini@redhat.com> - 2016-06-28 22:50 +0200
            Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Bandan Das <bsd@redhat.com> - 2016-06-28 23:10 +0200
            Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-06-29 05:10 +0200
            Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Wanpeng Li <kernellwp@gmail.com> - 2016-07-05 05:10 +0200
              Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Paolo Bonzini <pbonzini@redhat.com> - 2016-07-05 13:00 +0200
                Re: [PATCH 1/5] mmu: mark spte present if the x bit is set Wanpeng Li <kernellwp@gmail.com> - 2016-07-05 13:40 +0200

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