Re: [microblaze-linux] [RESEND PATCH] microblaze: Fix clone syscall

From: Andrew Morton
Date: Fri Jul 26 2013 - 19:09:08 EST

On Wed, 24 Jul 2013 08:48:27 +0200 Michal Simek <monstr@xxxxxxxxx> wrote:

> On 07/24/2013 07:55 AM, Rich Felker wrote:
> > On Wed, Jul 24, 2013 at 07:34:07AM +0200, Michal Simek wrote:
> >> Microblaze was assign to CLONE_BACKWARDS type where
> >> parent tid was passed via 3rd argument.
> >> Microblaze glibc is using 4th argument for it.
> >>
> >> Create new CLONE_BACKWARDS3 type where stack_size is passed
> >> via 3rd argument, parent thread id pointer via 4th,
> >> child thread id pointer via 5th and tls value as 6th
> >> argument
> >
> > I believe this also affects us in musl. What is the motivation for
> > making a configure option that results in there being two incompatible
> > syscall ABIs for the same arch?
> > This sounds like a really bad idea...
> This patch fixes bug which was introduced by Al's patch where he moved
> clone implementation from microblaze folder to generic location.

That's important information which was omitted from the changelog.

Please identify the patch which casused this regression (SHA hash and
title), thanks.

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