summaryrefslogtreecommitdiffstats
path: root/drivers/char/agp/intel-agp.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2010-03-01 09:28:53 +0100
committerIngo Molnar <mingo@elte.hu>2010-03-01 09:28:58 +0100
commite2f4699ac15fe36de1288505bc6e6e5a8603ab1b (patch)
tree8078d3ff21eaa0a0ed6e446ac94f3681e831cad1 /drivers/char/agp/intel-agp.c
parent1883c79a57a5fe25309007590cccb1b2782c41b2 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
downloadop-kernel-dev-e2f4699ac15fe36de1288505bc6e6e5a8603ab1b.zip
op-kernel-dev-e2f4699ac15fe36de1288505bc6e6e5a8603ab1b.tar.gz
Merge branch 'linus' into core/rcu
Merge reason: Backmerge latest upstream to queue up dependent fix in the scheduler. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/agp/intel-agp.c')
-rw-r--r--drivers/char/agp/intel-agp.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 3999a5f..8a713f1 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -8,6 +8,7 @@
#include <linux/kernel.h>
#include <linux/pagemap.h>
#include <linux/agp_backend.h>
+#include <asm/smp.h>
#include "agp.h"
/*
@@ -815,12 +816,6 @@ static void intel_i830_setup_flush(void)
intel_i830_fini_flush();
}
-static void
-do_wbinvd(void *null)
-{
- wbinvd();
-}
-
/* The chipset_flush interface needs to get data that has already been
* flushed out of the CPU all the way out to main memory, because the GPU
* doesn't snoop those buffers.
@@ -837,12 +832,10 @@ static void intel_i830_chipset_flush(struct agp_bridge_data *bridge)
memset(pg, 0, 1024);
- if (cpu_has_clflush) {
+ if (cpu_has_clflush)
clflush_cache_range(pg, 1024);
- } else {
- if (on_each_cpu(do_wbinvd, NULL, 1) != 0)
- printk(KERN_ERR "Timed out waiting for cache flush.\n");
- }
+ else if (wbinvd_on_all_cpus() != 0)
+ printk(KERN_ERR "Timed out waiting for cache flush.\n");
}
/* The intel i830 automatically initializes the agp aperture during POST.
OpenPOWER on IntegriCloud