linux/include/asm-x86/edac_64.h
Thomas Gleixner 96a388de5d i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11 11:20:03 +02:00

19 lines
422 B
C

#ifndef ASM_EDAC_H
#define ASM_EDAC_H
/* ECC atomic, DMA, SMP and interrupt safe scrub function */
static __inline__ void atomic_scrub(void *va, u32 size)
{
unsigned int *virt_addr = va;
u32 i;
for (i = 0; i < size / 4; i++, virt_addr++)
/* Very carefully read and write to memory atomically
* so we are interrupt, DMA and SMP safe.
*/
__asm__ __volatile__("lock; addl $0, %0"::"m"(*virt_addr));
}
#endif