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[Bug-libsigsegv] Re: [PATCH] Fix powerpc64-unknown-linux-gnu implementat


From: Bruno Haible
Subject: [Bug-libsigsegv] Re: [PATCH] Fix powerpc64-unknown-linux-gnu implementation.
Date: Sun, 24 Oct 2010 16:48:09 +0200
User-agent: KMail/1.9.9

Hi Eric,

Eric Blake wrote:
>  2010-10-21  Eric Blake  <address@hidden>
> 
> +     Fix powerpc64-unknown-linux-gnu implementation.
> +     * src/stackvma-rofile.c (struct rofile): Reduce size, to avoid
> +     overflowing alternate stack when compiled under -O2.
> +     * NEWS: Document the fix.
> 
> Okay to push?

Yes, please push.

> I have confirmed that this fixes the bug on ppc64.  I still haven't
> figured out why gcc -O2 overflowed an 8k stack, but gcc -O1 did not,
> nor why I could not reproduce the problem on x86_64 or i686.

It is not worth investigating this.

By the way, stackvma-mincore.c uses a little more than 2048 bytes on the
stack, but that should be OK.

> Is it time for a 2.9 release? 

Yes, I'll roll a 2.9 release in a couple of days.

Bruno



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