Re: [POWERPC] 32-bit early_init() should zero from __bss_start to __bss_stop only
From: Mark A. Greer <hidden>
Date: 2007-03-16 04:30:17
Paul, This one was dropped somewhere along the way... Mark --- On Thu, Oct 26, 2006 at 10:06:16AM +1000, Benjamin Herrenschmidt wrote:
On Wed, 2006-10-25 at 16:36 -0700, Mark A. Greer wrote:quoted
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 <redacted>Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>quoted
setup_32.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-) ---diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index a4c2964..c682e9a 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c@@ -95,7 +95,8 @@ unsigned long __init early_init(unsigned /* 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_______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev