From: Segher Boessenkool <segher@kernel.crashing.org>
To: Richard Henderson <rth@twiddle.net>
Cc: Paul Mackerras <paulus@samba.org>,
"David S. Miller" <davem@davemloft.net>,
linux-arch@vger.kernel.org, linuxppc-dev@ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC/PATCH] Make powerpc64 use __thread for per-cpu variables
Date: Fri, 12 May 2006 01:41:32 +0200 [thread overview]
Message-ID: <E44D1BA0-2DB1-4151-BAC7-16B4BF37E419@kernel.crashing.org> (raw)
In-Reply-To: <20060511002217.GA31481@twiddle.net>
>> Would an asm clobber of GPR13 in the schedule routines (or a wrapper
>> for them, or whatever) work?
>
> No. The address is cse'd symbolically long before the r13
> reference is exposed.
Current GCC won't ever do that over a (non-local, non-inlinable)
function call though. _Current_ GCC.
Segher
next prev parent reply other threads:[~2006-05-11 23:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-10 4:03 Paul Mackerras
2006-05-10 5:16 ` Olof Johansson
2006-05-10 5:35 ` Alan Modra
2006-05-10 6:22 ` David S. Miller
2006-05-10 6:29 ` Paul Mackerras
2006-05-10 6:39 ` David S. Miller
2006-05-10 7:21 ` Benjamin Herrenschmidt
2006-05-10 7:41 ` Paul Mackerras
2006-05-10 10:14 ` David Howells
2006-05-10 15:47 ` Richard Henderson
2006-05-10 18:04 ` Steven Rostedt
2006-05-10 19:40 ` David S. Miller
2006-05-10 21:05 ` Paul Mackerras
2006-05-10 22:25 ` David S. Miller
2006-05-10 23:17 ` Segher Boessenkool
2006-05-11 0:22 ` Richard Henderson
2006-05-11 23:41 ` Segher Boessenkool [this message]
2006-05-11 1:04 ` Alan Modra
2006-05-11 1:21 ` Paul Mackerras
2006-05-11 2:01 ` Alan Modra
2006-05-11 23:42 ` Segher Boessenkool
2006-05-10 23:05 ` Paul Mackerras
2006-05-10 23:44 ` Paul Mackerras
2006-05-11 0:11 ` David S. Miller
2006-05-18 23:50 ` Paul Mackerras
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