module: don't use stop_machine for waiting rmmod

[linux-2.6-omap-h63xx.git] / include / asm-x86 / edac.h

diff --git a/include/asm-x86/edac.h b/include/asm-x86/edac.h
index f8b888e140b0cb7540e020ddb3a8b7a8669a75a7..a8088f63a30e4a58cfd50dde612e7da94843b3d0 100644 (file)
--- 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