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linux/drivers/iommu
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Shuah Khan 8c17bbf6c8 iommu/amd: Fix IOMMU perf counter clobbering during init 
init_iommu_perf_ctr() clobbers the register when it checks write access
to IOMMU perf counters and fails to restore when they are writable.

Add save and restore to fix it.

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fixes: 30861ddc9cca4 ("perf/x86/amd: Add IOMMU Performance Counter resource management")
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Tested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-01-24 15:28:40 +01:00
..
amd_iommu_debugfs.c
iommu/amd: Add basic debugfs infrastructure for AMD IOMMU
2018-07-06 14:06:30 +02:00
amd_iommu_init.c
iommu/amd: Fix IOMMU perf counter clobbering during init
2020-01-24 15:28:40 +01:00
amd_iommu_proto.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
amd_iommu_quirks.c
iommu/amd: Apply the same IVRS IOAPIC workaround to Acer Aspire A315-41
2019-10-30 10:24:03 +01:00
amd_iommu_types.h
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
amd_iommu_v2.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
amd_iommu.c
IOMMU Updates for Linux v5.5
2019-12-02 11:05:00 -08:00
amd_iommu.h
iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems
2019-08-23 10:26:48 +02:00
arm-smmu-impl.c
iommu: arm-smmu-impl: Add sdm845 implementation hook
2019-11-04 17:48:37 +00:00
arm-smmu-qcom.c
iommu: arm-smmu-impl: Add sdm845 implementation hook
2019-11-04 17:48:37 +00:00
arm-smmu-v3.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
arm-smmu.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
arm-smmu.h
iommu: arm-smmu-impl: Add sdm845 implementation hook
2019-11-04 17:48:37 +00:00
dma-iommu.c
iommu/dma: fix variable 'cookie' set but not used
2020-01-07 17:08:58 +01:00
dmar.c
iommu/vt-d: Turn off translations at shutdown
2019-11-11 16:07:13 +01:00
exynos-iommu.c
iommu: Add gfp parameter to iommu_ops::map
2019-10-15 11:31:04 +02:00
fsl_pamu_domain.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
fsl_pamu_domain.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
fsl_pamu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
fsl_pamu.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
hyperv-iommu.c
iommu/hyper-v: Add Hyper-V stub IOMMU driver
2019-02-28 11:12:16 +01:00
intel_irq_remapping.c
iommu/vt-d: Fix wrong analysis whether devices share the same bus
2019-08-30 15:47:37 +02:00
intel-iommu-debugfs.c
iommu/vt-d: Correctly check format of page table in debugfs
2019-08-09 17:29:25 +02:00
intel-iommu.c
iommu/vt-d: Call __dmar_remove_one_dev_info with valid pointer
2020-01-24 15:23:50 +01:00
intel-pasid.c
Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next
2019-07-04 17:26:48 +02:00
intel-pasid.h
iommu/vt-d: Introduce macros useful for dumping DMAR table
2019-05-27 16:16:09 +02:00
intel-svm.c
iommu/vt-d: Remove incorrect PSI capability check
2019-12-18 16:18:34 +01:00
intel-trace.c
iommu/vt-d: Add trace events for device dma map/unmap
2019-09-11 12:34:30 +02:00
io-pgtable-arm-v7s.c
iommu/io-pgtable: Make selftest gubbins consistently __init
2019-11-04 19:34:31 +00:00
io-pgtable-arm.c
iommu/io-pgtable-arm: Rename IOMMU_QCOM_SYS_CACHE and improve doc
2019-11-07 12:19:05 +00:00
io-pgtable.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
ioasid.c
iommu/ioasid: Add custom allocators
2019-10-15 13:34:25 +02:00
iommu-debugfs.c
iommu: Fix IOMMU debugfs fallout
2019-02-26 11:15:58 +01:00
iommu-sysfs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
iommu-traces.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu.c
iommu: Remove device link to group on failure
2020-01-07 17:08:57 +01:00
iova.c
iommu/iova: Init the struct iova to fix the possible memleak
2019-12-17 11:13:20 +01:00
ipmmu-vmsa.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
irq_remapping.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
irq_remapping.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
Kconfig
pci-v5.5-changes
2019-12-03 13:58:22 -08:00
Makefile
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
msm_iommu_hw-8xxx.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267
2019-06-05 17:30:29 +02:00
msm_iommu.c
iommu: Add gfp parameter to iommu_ops::map
2019-10-15 11:31:04 +02:00
msm_iommu.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267
2019-06-05 17:30:29 +02:00
mtk_iommu_v1.c
iommu: Add gfp parameter to iommu_ops::map
2019-10-15 11:31:04 +02:00
mtk_iommu.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
mtk_iommu.h
iommu/mediatek: Move the tlb_sync into tlb_flush
2019-11-11 15:02:34 +01:00
of_iommu.c
PCI: Remove unused includes and superfluous struct declaration
2019-11-21 07:49:29 -06:00
omap-iommu-debug.c
Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next
2019-07-04 17:26:48 +02:00
omap-iommu.c
iommu: Add gfp parameter to iommu_ops::map
2019-10-15 11:31:04 +02:00
omap-iommu.h
iommu/omap: add support for late attachment of iommu devices
2019-08-09 17:37:10 +02:00
omap-iopgtable.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
qcom_iommu.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
rockchip-iommu.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
s390-iommu.c
iommu: Add gfp parameter to iommu_ops::map
2019-10-15 11:31:04 +02:00
tegra-gart.c
iommu: Add gfp parameter to iommu_ops::map
2019-10-15 11:31:04 +02:00
tegra-smmu.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00
virtio-iommu.c
Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next
2019-11-12 17:11:25 +01:00