diff options
Diffstat (limited to 'drivers/iommu/intel/pasid.c')
| -rw-r--r-- | drivers/iommu/intel/pasid.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index 477b2e1d303c..72646bafc52f 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -551,6 +551,7 @@ static void pasid_flush_caches(struct intel_iommu *iommu, static inline int pasid_enable_wpe(struct pasid_entry *pte) { +#ifdef CONFIG_X86 unsigned long cr0 = read_cr0(); /* CR0.WP is normally set but just to be sure */ @@ -558,6 +559,7 @@ static inline int pasid_enable_wpe(struct pasid_entry *pte) pr_err_ratelimited("No CPU write protect!\n"); return -EINVAL; } +#endif pasid_set_wpe(pte); return 0; |