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authorLinus Torvalds <torvalds@linux-foundation.org>2009-02-11 08:23:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-11 08:23:22 -0800
commit9ce04f9238cafcfd09a502f2bc8c13b5f44ec590 (patch)
treef55b7c0ef48ea5b3bbd2971036ba54b666e8c4ce /drivers/pci
parentb3f2caaaa82440af06b39c2c92e4fa8122d75465 (diff)
parent06eb23b1ba39c61ee5d5faeb42a097635693e370 (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: ptrace, x86: fix the usage of ptrace_fork() i8327: fix outb() parameter order x86: fix math_emu register frame access x86: math_emu info cleanup x86: include correct %gs in a.out core dump x86, vmi: put a missing paravirt_release_pmd in pgd_dtor x86: find nr_irqs_gsi with mp_ioapic_routing x86: add clflush before monitor for Intel 7400 series x86: disable intel_iommu support by default x86: don't apply __supported_pte_mask to non-present ptes x86: fix grammar in user-visible BIOS warning x86/Kconfig.cpu: make Kconfig help readable in the console x86, 64-bit: print DMI info in the oops trace
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/intel-iommu.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 3dfecb20d5e..f4b7c79023f 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -268,7 +268,12 @@ static long list_size;
static void domain_remove_dev_info(struct dmar_domain *domain);
-int dmar_disabled;
+#ifdef CONFIG_DMAR_DEFAULT_ON
+int dmar_disabled = 0;
+#else
+int dmar_disabled = 1;
+#endif /*CONFIG_DMAR_DEFAULT_ON*/
+
static int __initdata dmar_map_gfx = 1;
static int dmar_forcedac;
static int intel_iommu_strict;
@@ -284,9 +289,12 @@ static int __init intel_iommu_setup(char *str)
if (!str)
return -EINVAL;
while (*str) {
- if (!strncmp(str, "off", 3)) {
+ if (!strncmp(str, "on", 2)) {
+ dmar_disabled = 0;
+ printk(KERN_INFO "Intel-IOMMU: enabled\n");
+ } else if (!strncmp(str, "off", 3)) {
dmar_disabled = 1;
- printk(KERN_INFO"Intel-IOMMU: disabled\n");
+ printk(KERN_INFO "Intel-IOMMU: disabled\n");
} else if (!strncmp(str, "igfx_off", 8)) {
dmar_map_gfx = 0;
printk(KERN_INFO