X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-x86%2Fedac.h;h=cf3200a745ad7b41e6925fb8ab5c7704cfb71fb3;hb=86e67a07d4dc8cd40454698f2abb972fced06910;hp=f8b888e140b0cb7540e020ddb3a8b7a8669a75a7;hpb=541010e4b8921cd781ff02ae68028501457045b6;p=linux-2.6

diff --git a/include/asm-x86/edac.h b/include/asm-x86/edac.h
index f8b888e140..cf3200a745 100644
--- a/include/asm-x86/edac.h
+++ b/include/asm-x86/edac.h
@@ -1,5 +1,18 @@
-#ifdef CONFIG_X86_32
-# include "edac_32.h"
-#else
-# include "edac_64.h"
+#ifndef _ASM_X86_EDAC_H
+#define _ASM_X86_EDAC_H
+
+/* ECC atomic, DMA, SMP and interrupt safe scrub function */
+
+static __inline__ void atomic_scrub(void *va, u32 size)
+{
+	u32 i, *virt_addr = va;
+
+	/*
+	 * Very carefully read and write to memory atomically so we
+	 * are interrupt, DMA and SMP safe.
+	 */
+	for (i = 0; i < size / 4; i++, virt_addr++)
+		__asm__ __volatile__("lock; addl $0, %0"::"m"(*virt_addr));
+}
+
 #endif