linux-kernel - Re: [PATCH v16] sys_membarrier(): system-wide memory barrier (generic, x86)

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Message-ID: <249593479.34550.1429736494057.JavaMail.zimbra@efficios.com>
Date:	Wed, 22 Apr 2015 21:01:34 +0000 (UTC)
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	mtk manpages <mtk.manpages@...il.com>
Cc:	Davidlohr Bueso <dave@...olabs.net>,
	lkml <linux-kernel@...r.kernel.org>,
	Josh Triplett <josh@...htriplett.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Nicholas Miell <nmiell@...cast.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>,
	Alan Cox <gnomes@...rguk.ukuu.org.uk>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	David Howells <dhowells@...hat.com>,
	Pranith Kumar <bobby.prani@...il.com>
Subject: Re: [PATCH v16] sys_membarrier(): system-wide memory barrier
 (generic, x86)

----- Original Message -----
> On 22 April 2015 at 21:43, Mathieu Desnoyers
> <mathieu.desnoyers@...icios.com> wrote:
> > ----- Original Message -----
> >> On Fri, 2015-04-17 at 11:06 -0400, Mathieu Desnoyers wrote:
> >> > [ Not in this patch: tests (Pranith Kumar has a patch for this), man
> >> > page.
> >> > ]
> >>
> >> Actually, we had discussed that for new syscalls, the changelog _would_
> >> be the manpage -- at least included in it.
> >
> > Do you want the formatted content, or just the text ? Putting
> > manpage formatting in the changelog seems a bit odd.
> 
> 
> Plain text works for me. Just divide it up into the usuual man-pages
> sections (see man-pages(7), and I'll take care of the rest).

OK. Should I do the writeup as a man(2) from the POV of a glibc
user ? It's a bit different when we get to return values and
error codes if we document kernel<->glibc or glibc<->user.

Moreover, how can we get this into glibc ?

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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