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[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>
This commit is contained in:
Mark A. Greer 2006-10-25 16:36:49 -07:00 committed by Paul Mackerras
parent 86a1b63349
commit 556b09c818
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kernel/setup_32.c
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@ -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 /* First zero the BSS -- use memset_io, some platforms don't have
* caches on yet */ * 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 * Identify the CPU type and fix up code sections