[POWERPC] 32-bit early_init() should zero from __bss_start to __bss_s…

…top 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 <[email protected]> Acked-by: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Paul Mackerras <[email protected]>
niw · Mar 16, 2007 · 556b09c · 556b09c
1 parent 86a1b63
commit 556b09c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git 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