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

[Michael Kerrisk (man-pages)]

Hi Mathieu,

On 22 April 2015 at 23:01, Mathieu Desnoyers
<mathieu.desnoyers@xxxxxxxxxxxx> wrote:
> ----- Original Message -----
>> On 22 April 2015 at 21:43, Mathieu Desnoyers
>> <mathieu.desnoyers@xxxxxxxxxxxx> 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.

Ideally, from glibc POV, since that is the POV od user space consumers.

> Moreover, how can we get this into glibc ?

An eternal question...

https://lwn.net/Articles/534682/

I added Carlos, who can probably best summarize the current state of
things. I think there's a wiki discussion on this topic, but I could
not find a URL.

Cheers,

Michael
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