linux-kernel - Re: x86_64: vsyscall vs vdso

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Message-ID: <38b2ab8a0709171322v75c5a597of9d90919f456767c@mail.gmail.com>
Date:	Mon, 17 Sep 2007 22:22:17 +0200
From:	"Francis Moreau" <francis.moro@...il.com>
To:	"Ulrich Drepper" <drepper@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: x86_64: vsyscall vs vdso

On 9/17/07, Ulrich Drepper <drepper@...il.com> wrote:
> On 9/17/07, Francis Moreau <francis.moro@...il.com> wrote:
> > I think signal trampolines will still need them too. So making
> > vsyscalls configurable doesn't seem to work, does it ?
>
> vsyscalls aren't used for that.  We have a restorer in libc and could
> easily use one in the vdso.  That's what is done on x86.
>

Sorry for my ignorance but what' is 'a restorer' ?

-- 
Francis
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