[PATCH] ppc64 boot: use memset to clear bss

Use memset to clear bss, instead of own version.

Signed-off-by: Olaf Hering <olh@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/ppc64/boot/main.c b/arch/ppc64/boot/main.c
index d039c47f8e5a..c2c1f3309113 100644
--- a/arch/ppc64/boot/main.c
+++ b/arch/ppc64/boot/main.c
@@ -26,6 +26,7 @@ extern void flush_cache(void *, unsigned long);
 #define ONE_MB          0x100000
 
 extern char _start[];
+extern char __bss_start[];
 extern char _end[];
 extern char _vmlinux_start[];
 extern char _vmlinux_end[];
@@ -138,6 +139,8 @@ void start(unsigned long a1, unsigned long a2, void *promptr)
         Elf64_Ehdr *elf64;
         Elf64_Phdr *elf64ph;
 
+        memset(__bss_start, 0, _end - __bss_start);
+
         prom = (int (*)(void *)) promptr;
         chosen_handle = finddevice("/chosen");
         if (chosen_handle == (void *) -1)