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Message-ID: <CA+55aFwuJUUq9maeDh_WL8HtaA0Sqit0eqGYgk4GwpQboJEL7Q@mail.gmail.com>
Date: Fri, 11 Mar 2016 11:44:51 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Andy Lutomirski <luto@...capital.net>
Cc: Ingo Molnar <mingo@...nel.org>, Rich Felker <dalias@...c.org>, Andy Lutomirski <luto@...nel.org>,
"the arch/x86 maintainers" <x86@...nel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Borislav Petkov <bp@...en8.de>, "musl@...ts.openwall.com" <musl@...ts.openwall.com>,
Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: Re: [RFC PATCH] x86/vdso/32: Add AT_SYSINFO cancellation helpers
On Fri, Mar 11, 2016 at 11:39 AM, Linus Torvalds
<torvalds@...ux-foundation.org> 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.
Linus
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