diff options
Diffstat (limited to 'arch/x86_64/kernel/pci-gart.c')
| -rw-r--r-- | arch/x86_64/kernel/pci-gart.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 0c3f052ba6c..ebd125e968b 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -148,9 +148,12 @@ static void flush_gart(struct device *dev) if (!northbridges[i]) continue; /* Make sure the hardware actually executed the flush. */ - do { + for (;;) { pci_read_config_dword(northbridges[i], 0x9c, &w); - } while (w & 1); + if (!(w & 1)) + break; + cpu_relax(); + } } if (!flushed) printk("nothing to flush?\n"); |