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Use new style memory barriers.

This commit is contained in:
ad 2007-12-21 10:40:12 +00:00
parent 041c1b3f89
commit 7162fade9b
1 changed files with 5 additions and 4 deletions
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9
sys/dev/drm/drmP.h
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@ -1,4 +1,4 @@
/* $NetBSD: drmP.h,v 1.12 2007/12/15 00:39:26 perry Exp $ */
/* $NetBSD: drmP.h,v 1.13 2007/12/21 10:40:12 ad Exp $ */
/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
@ -120,6 +120,7 @@ typedef struct drm_file drm_file_t;
#include <sys/kauth.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/atomic.h>
#include <uvm/uvm.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
@ -352,9 +353,9 @@ typedef u_int8_t u8;
below should be enough for x86, perhaps others. */
#if defined(__NetBSD__)
#define DRM_READMEMORYBARRIER() mb_read()
#define DRM_WRITEMEMORYBARRIER() mb_write()
#define DRM_MEMORYBARRIER() mb_memory()
#define DRM_READMEMORYBARRIER() membar_consumer()
#define DRM_WRITEMEMORYBARRIER() membar_producer()
#define DRM_MEMORYBARRIER() membar_memory()
#elif defined(__i386__)
#define DRM_READMEMORYBARRIER() __asm __volatile( \
"lock; addl $0,0(%%esp)" : : : "memory");