From: Suresh Kodati <kodatisu@in.ibm.com>
To: linux-kernel@vger.kernel.org
Subject: [patch] fix smp_processor_id() use in include/asm-generic/percpu.h
Date: Thu, 22 Dec 2005 14:35:28 -0600 [thread overview]
Message-ID: <20051222203528.GA4407@dyn9041041086.austin.ibm.com> (raw)
This patch suppresses the following BUG() seen during bootup of 2.6.15-rc5-mm3 on i386 machines by replacing smp_processor_id with raw_smp_processor_id().
<snip>
[ 11.258828] Freeing unused kernel memory: 260k freed
[ 11.258864] BUG: using smp_processor_id() in preemptible [00000001] code: swapper/1
[ 11.258878] caller is mod_page_state_offset+0x12/0x28
</snip>
Signed-off-by: Suresh Kodati <kodatisu@in.ibm.com>
--
include/asm-generic/percpu.h | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.15-rc5/include/asm-generic/percpu.h.orig 2005-12-21 15:13:27.000000000 -0600
+++ linux-2.6.15-rc5/include/asm-generic/percpu.h 2005-12-21 15:13:43.000000000 -0600
@@ -13,7 +13,7 @@ extern unsigned long __per_cpu_offset[NR
/* var is in discarded region: offset to particular copy we want */
#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))
-#define __get_cpu_var(var) per_cpu(var, smp_processor_id())
+#define __get_cpu_var(var) per_cpu(var, raw_smp_processor_id())
/* A macro to avoid #include hell... */
#define percpu_modcopy(pcpudst, src, size) \
next reply other threads:[~2005-12-22 20:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-22 20:35 Suresh Kodati [this message]
2005-12-24 1:08 ` Nathan Lynch
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