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Re: [PATCH 26/26] x86, pkeys: Documentation

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 26/26] x86, pkeys: Documentation
Date 2015-10-02 13:50 +0200
Message-ID <qf70B-2hB-17@gated-at.bofh.it> (permalink)
References (5 earlier) <qckdI-3Kz-5@gated-at.bofh.it> <qeK42-2oH-7@gated-at.bofh.it> <qeSNY-71t-25@gated-at.bofh.it> <qeUG5-1pD-3@gated-at.bofh.it> <qeUPL-1B8-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 02/10/2015 00:48, Linus Torvalds wrote:
> It's quite likely that you will find that compilers put read-only
> constants in the text section, knowing that executable means readable.

Not on x86 (because it has large immediates; RISC machines and s390 do
put large constants in the text section).

But at the very least jump tables reside in the .text seection.

Paolo
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Thread

Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-09-24 12:00 +0200
  Re: [PATCH 26/26] x86, pkeys: Documentation Andy Lutomirski <luto@amacapital.net> - 2015-09-24 21:20 +0200
    Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-09-25 09:20 +0200
  Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-09-24 21:20 +0200
    Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-09-25 08:20 +0200
    Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-01 13:20 +0200
      Re: [PATCH 26/26] x86, pkeys: Documentation Kees Cook <keescook@google.com> - 2015-10-01 22:40 +0200
        Re: [PATCH 26/26] x86, pkeys: Documentation Andy Lutomirski <luto@amacapital.net> - 2015-10-01 22:50 +0200
          Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-02 08:30 +0200
            Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-10-02 20:00 +0200
              Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-03 09:30 +0200
        Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-10-01 23:00 +0200
        Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-10-02 00:40 +0200
        Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-10-02 00:40 +0200
          Re: [PATCH 26/26] x86, pkeys: Documentation Kees Cook <keescook@google.com> - 2015-10-02 00:40 +0200
          Re: [PATCH 26/26] x86, pkeys: Documentation Linus Torvalds <torvalds@linux-foundation.org> - 2015-10-02 00:50 +0200
            Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-10-02 01:00 +0200
              Re: [PATCH 26/26] x86, pkeys: Documentation Linus Torvalds <torvalds@linux-foundation.org> - 2015-10-02 03:40 +0200
                Re: [PATCH 26/26] x86, pkeys: Documentation Dave Hansen <dave@sr71.net> - 2015-10-02 20:10 +0200
            Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-02 09:10 +0200
              Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-03 09:00 +0200
            Re: [PATCH 26/26] x86, pkeys: Documentation Paolo Bonzini <pbonzini@redhat.com> - 2015-10-02 13:50 +0200
              Re: [PATCH 26/26] x86, pkeys: Documentation Linus Torvalds <torvalds@linux-foundation.org> - 2015-10-02 14:00 +0200
                Re: [PATCH 26/26] x86, pkeys: Documentation Paolo Bonzini <pbonzini@redhat.com> - 2015-10-02 14:20 +0200
                Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-03 08:50 +0200
          Re: [PATCH 26/26] x86, pkeys: Documentation Andy Lutomirski <luto@amacapital.net> - 2015-10-02 01:00 +0200
          Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-02 08:10 +0200
  Re: [PATCH 26/26] x86, pkeys: Documentation Ingo Molnar <mingo@kernel.org> - 2015-10-03 10:20 +0200

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