i'll put the patch below into the -P8 patch. (change voluntary_resched()
to cond_resched() if you apply this to a vanilla kernel.)
Ingo
--- linux/drivers/char/drm/drm_os_linux.h.orig
+++ linux/drivers/char/drm/drm_os_linux.h
@@ -14,7 +14,7 @@
#define DRM_ERR(d) -(d)
/** Current process ID */
#define DRM_CURRENTPID current->pid
-#define DRM_UDELAY(d) udelay(d)
+#define DRM_UDELAY(d) do { voluntary_resched(); udelay(d); } while
(0)
/** Read a byte from a MMIO region */
#define DRM_READ8(map, offset) readb(((unsigned long)(map)->handle) +
(offset))
/** Read a dword from a MMIO region */
-------------------------------------------------------
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