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Groups > linux.kernel > #1340692
| From | Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH V5 06/10] perf/amd/iommu: Clean up perf_iommu_enable_event |
| Date | 2016-02-23 15:30 +0100 |
| Message-ID | <r5m8r-6Gt-29@gated-at.bofh.it> (permalink) |
| References | <r5lYJ-6Bs-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This patch cleans up: * Various bitwise operations in perf_iommu_enable_event * Make use macros BIT(x) This should not affect logic and functionality. Cc: Borislav Petkov <bp@alien8.de> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> --- arch/x86/events/amd/iommu.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index ee7b4d3..1a678b9 100644 --- a/arch/x86/events/amd/iommu.c +++ b/arch/x86/events/amd/iommu.c @@ -253,21 +253,21 @@ static void perf_iommu_enable_event(struct perf_event *ev) amd_iommu_pc_set_reg(0, devid, bank, cntr, IOMMU_PC_COUNTER_SRC_REG, ®); - reg = 0ULL | devid | (_GET_DEVID_MASK(ev) << 32); + reg = devid | (_GET_DEVID_MASK(ev) << 32); if (reg) - reg |= (1UL << 31); + reg |= BIT(31); amd_iommu_pc_set_reg(0, devid, bank, cntr, IOMMU_PC_DEVID_MATCH_REG, ®); - reg = 0ULL | _GET_PASID(ev) | (_GET_PASID_MASK(ev) << 32); + reg = _GET_PASID(ev) | (_GET_PASID_MASK(ev) << 32); if (reg) - reg |= (1UL << 31); + reg |= BIT(31); amd_iommu_pc_set_reg(0, devid, bank, cntr, IOMMU_PC_PASID_MATCH_REG, ®); - reg = 0ULL | _GET_DOMID(ev) | (_GET_DOMID_MASK(ev) << 32); + reg = _GET_DOMID(ev) | (_GET_DOMID_MASK(ev) << 32); if (reg) - reg |= (1UL << 31); + reg |= BIT(31); amd_iommu_pc_set_reg(0, devid, bank, cntr, IOMMU_PC_DOMID_MATCH_REG, ®); } -- 1.9.1
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[PATCH V5 00/10] perf/amd/iommu: Enable multi-IOMMU support Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:20 +0100 [PATCH V5 01/10] perf/amd/iommu: Misc fix up perf_iommu_read Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:20 +0100 [PATCH V5 08/10] perf/amd/iommu: Rename struct perf_amd_iommu to perf_iommu Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:20 +0100 [PATCH V5 07/10] perf/amd/iommu: Clean up get_next_available_iommu_bnk_cntr Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:20 +0100 [PATCH V5 05/10] perf/amd/iommu: Declare pr_fmt and remove unnecessary pr_debug Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:30 +0100 [PATCH V5 03/10] perf/amd/iommu: Modify functions to query max banks and counters Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:30 +0100 [PATCH V5 04/10] perf/amd/iommu: Modify IOMMU API to allow specifying IOMMU index Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:30 +0100 [PATCH V5 06/10] perf/amd/iommu: Clean up perf_iommu_enable_event Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2016-02-23 15:30 +0100 Re: [PATCH V5 00/10] perf/amd/iommu: Enable multi-IOMMU support Joerg Roedel <joro@8bytes.org> - 2016-02-25 16:00 +0100
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