From dd184343b45e94fd3b0d4d0865070924bc6195ab Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Mon, 17 Oct 2005 20:13:47 +1000 Subject: [PATCH] powerpc: Clear the BSS at the start of early_init with ARCH=ppc Signed-off-by: Paul Mackerras --- arch/powerpc/kernel/setup_32.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index e68f848f24bf..b95f7cf693e6 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -294,6 +294,10 @@ unsigned long __init early_init(unsigned long dt_ptr) { unsigned long offset = reloc_offset(); + /* First zero the BSS -- use memset_io, some platforms don't have + * caches on yet */ + memset_io(PTRRELOC(&__bss_start), 0, _end - __bss_start); + /* * Identify the CPU type and fix up code sections * that depend on which cpu we have.