diff options
Diffstat (limited to 'arch/x86/events/amd/iommu.c')
| -rw-r--r-- | arch/x86/events/amd/iommu.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index 913745f1419b..a721da9987dd 100644 --- a/arch/x86/events/amd/iommu.c +++ b/arch/x86/events/amd/iommu.c @@ -16,6 +16,8 @@ #include <linux/slab.h> #include <linux/amd-iommu.h> +#include <asm/msr.h> + #include "../perf_event.h" #include "iommu.h" @@ -30,7 +32,7 @@ #define GET_DOMID_MASK(x) (((x)->conf1 >> 16) & 0xFFFFULL) #define GET_PASID_MASK(x) (((x)->conf1 >> 32) & 0xFFFFFULL) -#define IOMMU_NAME_SIZE 16 +#define IOMMU_NAME_SIZE 24 struct perf_amd_iommu { struct list_head list; @@ -161,7 +163,7 @@ static int get_next_avail_iommu_bnk_cntr(struct perf_event *event) raw_spin_lock_irqsave(&piommu->lock, flags); - for (bank = 0, shift = 0; bank < max_banks; bank++) { + for (bank = 0; bank < max_banks; bank++) { for (cntr = 0; cntr < max_cntrs; cntr++) { shift = bank + (bank*3) + cntr; if (piommu->cntr_assign_mask & BIT_ULL(shift)) { |