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Re: [PATCH] x86/entry: Improve system call entry comments

From "H. Peter Anvin" <hpa@zytor.com>
Newsgroups linux.kernel
Subject Re: [PATCH] x86/entry: Improve system call entry comments
Date 2016-03-08 19:50 +0100
Message-ID <rauRH-4OA-1@gated-at.bofh.it> (permalink)
References (1 earlier) <r9YI9-oh-9@gated-at.bofh.it> <ra6mm-5hg-11@gated-at.bofh.it> <randx-84x-39@gated-at.bofh.it> <rauRH-4OA-3@gated-at.bofh.it> <rauRH-4OA-5@gated-at.bofh.it>
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On 03/08/16 10:45, Andy Lutomirski wrote:
> 
> s/modern/most, perhaps?
> 
> I'm hoping that some day Bionic goes away and gets replaced by musl.
> 
> Of course, musl doesn't always use fast syscalls because it needs a
> vdso facility that doesn't currently exist.  I'll deal with that
> eventually.
> 

You don't actually need actual DSO support to support fast system calls
on i386.  Even klibc uses them now, and the additional code to support
it is trivial.

	-hpa

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[PATCH] x86/entry: Improve system call entry comments Andy Lutomirski <luto@kernel.org> - 2016-03-06 18:50 +0100
  Re: [PATCH] x86/entry: Improve system call entry comments Ingo Molnar <mingo@kernel.org> - 2016-03-07 09:30 +0100
    Re: [PATCH] x86/entry: Improve system call entry comments "H. Peter Anvin" <hpa@zytor.com> - 2016-03-07 17:40 +0100
      Re: [PATCH] x86/entry: Improve system call entry comments Ingo Molnar <mingo@kernel.org> - 2016-03-08 11:40 +0100
        Re: [PATCH] x86/entry: Improve system call entry comments "H. Peter Anvin" <hpa@zytor.com> - 2016-03-08 19:50 +0100
          Re: [PATCH] x86/entry: Improve system call entry comments Andy Lutomirski <luto@amacapital.net> - 2016-03-08 20:00 +0100
            Re: [PATCH] x86/entry: Improve system call entry comments "H. Peter Anvin" <hpa@zytor.com> - 2016-03-08 20:10 +0100
              Re: [PATCH] x86/entry: Improve system call entry comments Andy Lutomirski <luto@amacapital.net> - 2016-03-08 20:20 +0100
        Re: [PATCH] x86/entry: Improve system call entry comments "H. Peter Anvin" <hpa@zytor.com> - 2016-03-08 19:50 +0100
          Re: [PATCH] x86/entry: Improve system call entry comments Andy Lutomirski <luto@amacapital.net> - 2016-03-08 19:50 +0100
    Re: [PATCH] x86/entry: Improve system call entry comments Andy Lutomirski <luto@amacapital.net> - 2016-03-07 18:10 +0100
      Re: [PATCH] x86/entry: Improve system call entry comments Ingo Molnar <mingo@kernel.org> - 2016-03-08 11:30 +0100
        Re: [PATCH] x86/entry: Improve system call entry comments Andy Lutomirski <luto@amacapital.net> - 2016-03-08 19:40 +0100

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