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Subject: Re: [patch] threading enhancements, tid-2.5.48-C0
From: Luca Barbieri <ldb@ldb.ods.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@transmeta.com>,
       Ulrich Drepper <drepper@redhat.com>,
       Kernel Mailing List <linux-kernel@vger.kernel.org>
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> this method is quite dangerous as the register usage is largely ad-hoc in
> the x86 lowlevel code. Eg. your %ebx use clashes with that of kernel
> threads, which also go through ret_from_fork.
Yes, I realize that it was a bad idea, since bloat in task_struct can be
avoided by putting clear_tid in an union other temporary data (e.g.
*link_count), without using arch-specific code (and this is a obviously
a separate patch).


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