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Re: [PATCH, RFC] MIPS: Implement the getcontext API

To: Ralf Baechle <>
Subject: Re: [PATCH, RFC] MIPS: Implement the getcontext API
From: "Joseph S. Myers" <>
Date: Sat, 18 Apr 2009 17:32:48 +0000 (UTC)
Cc: "Maciej W. Rozycki" <>,,, "Maciej W. Rozycki" <>
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
On Sat, 18 Apr 2009, Ralf Baechle wrote:

> On Wed, Apr 15, 2009 at 08:19:33PM +0000, Joseph S. Myers wrote:
> > >  Here is code to implement the getcontext API for MIPS.  This glibc patch 
> > > is sent to the linux-mips mailing list, because it makes use of an 
> > > internal syscall which has not been designated as a part of the public 
> > > ABI.  I am writing to request this syscall to become fixed as a part of 
> > > the ABI or to seek for an alternative.  See below for the rationale.
> > 
> > Was there any conclusion about whether the assumptions this patch makes 
> > about the kernel are OK (and so it can go in) or not?
> I've probably not spelled it out clearly enough in an earlier email on
> this topic but yes, I think it's ok.  In all reality the stackframe has
> de facto become a part of the ABI that needs to be kept stable.

Thanks - I've now committed the patch.

Joseph S. Myers

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