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Date: Fri, 11 Mar 2016 11:44:51 -0800
From: Linus Torvalds <>
To: Andy Lutomirski <>
Cc: Ingo Molnar <>, Rich Felker <>, Andy Lutomirski <>, 
	"the arch/x86 maintainers" <>, Linux Kernel Mailing List <>, 
	Borislav Petkov <>, "" <>, 
	Andrew Morton <>, Thomas Gleixner <>, 
	Peter Zijlstra <>
Subject: Re: Re: [RFC PATCH] x86/vdso/32: Add AT_SYSINFO cancellation helpers

On Fri, Mar 11, 2016 at 11:39 AM, Linus Torvalds
<> wrote:
>  "An implementation may also mark other functions not specified in the
> standard as cancellation  points"

.. but that was from the Linux man-page. The open group has

 "An implementation shall not introduce cancellation points into any
other functions specified in this volume of POSIX.1-2008"

So yeah, it looks like there would need to be some way to filter things.

Oh well.


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