From: Ingo Molnar <mingo@elte.hu>
To: travis@sgi.com
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Christoph Lameter <clameter@sgi.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 5/6] powerpc: Use generic per cpu linux-2.6.git
Date: Wed, 30 Jan 2008 19:28:09 +0100 [thread overview]
Message-ID: <20080130182809.GA27168@elte.hu> (raw)
In-Reply-To: <20080130180940.788340000@sgi.com>
* travis@sgi.com <travis@sgi.com> wrote:
> Powerpc has a way to determine the address of the per cpu area of the
> currently executing processor via the paca and the array of per cpu
> offsets is avoided by looking up the per cpu area from the remote
> paca's (copying x86_64).
i needed the fix below to get my powerpc crosscompile build to succeed.
Ingo
-------------->
Subject: powerpc: percpu build fix
From: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
include/asm-powerpc/percpu.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-x86.q/include/asm-powerpc/percpu.h
===================================================================
--- linux-x86.q.orig/include/asm-powerpc/percpu.h
+++ linux-x86.q/include/asm-powerpc/percpu.h
@@ -13,7 +13,7 @@
#include <asm/paca.h>
#define __per_cpu_offset(cpu) (paca[cpu].data_offset)
-#define __my_cpu_offset() get_paca()->data_offset
+#define __my_cpu_offset get_paca()->data_offset
#define per_cpu_offset(x) (__per_cpu_offset(x))
#endif /* CONFIG_SMP */
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next prev parent reply other threads:[~2008-01-30 18:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-30 18:09 [PATCH 0/6] percpu: Per cpu code simplification linux-2.6.git travis
2008-01-30 18:09 ` [PATCH 1/6] modules: Fold percpu_modcopy into module.c linux-2.6.git travis
2008-01-30 18:09 ` [PATCH 2/6] percpu: Change Kconfig to HAVE_SETUP_PER_CPU_AREA linux-2.6.git travis
2008-01-30 21:50 ` Ingo Molnar
2008-01-30 21:57 ` Mike Travis
2008-01-30 18:09 ` [PATCH 3/6] sparc64: Use generic percpu linux-2.6.git travis
2008-01-30 21:52 ` Ingo Molnar
2008-01-31 1:03 ` David Miller, Ingo Molnar
2008-01-30 18:09 ` [PATCH 4/6] ia64: " travis
2008-01-30 18:09 ` [PATCH 5/6] powerpc: Use generic per cpu linux-2.6.git travis
2008-01-30 18:28 ` Ingo Molnar [this message]
2008-01-30 18:38 ` Mike Travis
2008-01-30 18:09 ` [PATCH 6/6] s390: Use generic percpu linux-2.6.git travis
2008-01-30 21:53 ` Ingo Molnar
2008-01-31 8:32 ` Martin Schwidefsky
2008-01-31 8:50 ` Ingo Molnar
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