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authorMark A. Greer <mgreer@mvista.com>2006-10-25 16:36:49 -0700
committerPaul Mackerras <paulus@samba.org>2007-03-16 16:38:19 +1100
commit556b09c8189b9b3f5626ca73196009e397503f85 (patch)
tree2f4ee5ec48bcdd2aa058ae27e16635ca1f73c74d /arch/powerpc/kernel
parent86a1b63349bb2cbed6c2cbf8f9e9de9259a404df (diff)
[POWERPC] 32-bit early_init() should zero from __bss_start to __bss_stop only
Currently, early_init() in setup_32.c zeroes from '_bss_start' to '_end'. It should only zero from '__bss_start' to '__bss_stop'. This patch does that. Signed-off-by: Mark A. Greer <mgreer@mvista.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/setup_32.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 44a6a3c47fe..f688548f74c 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -92,7 +92,8 @@ unsigned long __init early_init(unsigned long dt_ptr)
/* First zero the BSS -- use memset_io, some platforms don't have
* caches on yet */
- memset_io((void __iomem *)PTRRELOC(&__bss_start), 0, _end - __bss_start);
+ memset_io((void __iomem *)PTRRELOC(&__bss_start), 0,
+ __bss_stop - __bss_start);
/*
* Identify the CPU type and fix up code sections