Re: [PATCH for review] [127/145] i386: move kernel_thread_helper into entry.S

From: Andi Kleen
Date: Mon Aug 14 2006 - 08:36:47 EST

On Monday 14 August 2006 14:36, Jan Beulich wrote:
> >> And this too - the value now in %eax has no relation with the
> >> value known by the caller of this routine (which doesn't expect
> >> any return from here anyway).
> >
> >Ok, but somehow it needs to be annotiated so that the unwinder stops
> >and doesn't fall back. Can you please send a replacement patch that
> >does this correctly?
> Actually, with the previous attempt we still didn't achieve the
> original
> goal of terminating the frame chain at kernel_thread_helper. Thus
> another try (the seemingly odd extra push can be avoided once we
> start using CFI expressions, which the unwinder currently doesn't
> support):

I added the extra push thanks (hope there weren't more changes)

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