linux-kernel - Re: [PATCH 2/3] x86-64: Clean up vsyscall emulation and remove fixed-address ret

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Date:	Mon, 6 Jun 2011 19:50:57 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Lutomirski <luto@....edu>
Cc:	x86@...nel.org, pageexec@...email.hu,
	Mikael Pettersson <mikpe@...uu.se>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 2/3] x86-64: Clean up vsyscall emulation and remove
 fixed-address ret


* Andrew Lutomirski <luto@....edu> wrote:

> >>  arch/x86/include/asm/vsyscall.h   |   10 ++++-
> >>  arch/x86/kernel/vsyscall_64.c     |   78 +++++++++++--------------------------
> >>  arch/x86/kernel/vsyscall_emu_64.S |   17 +--------
> >>  3 files changed, 32 insertions(+), 73 deletions(-)
> >
> > Ok, this makes the whole series a lot more palatable!
> >
> > Can i propagate the rename suggested by hpa into patch #3:
> >
> >  CONFIG_COMPAT_VSYSCALL => CONFIG_LEGACY_VSYSCALL
> 
> Certainly!  CONFIG_LEGACY_VTIME might be even better, but I'm fine
> with any renaming you'd like to do.

Good point, i changed it to CONFIG_LEGACY_VTIME - this correctly 
implies that it's only about vtime(), not about any other vsyscall.

Thanks,

	Ingo
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