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11febfca24
linux_dsm_epyc7002/drivers/iommu
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Robin Murphy 11febfca24 iommu/arm-smmu: Use per-context TLB sync as appropriate 
TLB synchronisation typically involves the SMMU blocking all incoming
transactions until the TLBs report completion of all outstanding
operations. In the common SMMUv2 configuration of a single distributed
SMMU serving multiple peripherals, that means that a single unmap
request has the potential to bring the hammer down on the entire system
if synchronised globally. Since stage 1 contexts, and stage 2 contexts
under SMMUv2, offer local sync operations, let's make use of those
wherever we can in the hope of minimising global disruption.

To that end, rather than add any more branches to the already unwieldy
monolithic TLB maintenance ops, break them up into smaller, neater,
functions which we can then mix and match as appropriate.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-04-06 16:06:43 +01:00
..
amd_iommu_init.c iommu/amd: Fix crash when accessing AMD-Vi sysfs entries 2017-02-28 15:48:23 +01:00
amd_iommu_proto.h Merge branch 'x86/amd-avic' into x86/amd 2016-09-05 12:43:16 +02:00
amd_iommu_types.h iommu/amd: Fix crash when accessing AMD-Vi sysfs entries 2017-02-28 15:48:23 +01:00
amd_iommu_v2.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h> 2017-03-02 08:42:28 +01:00
amd_iommu.c iommu: Disambiguate MSI region types 2017-03-22 16:16:17 +01:00
arm-smmu-v3.c iommu: Disambiguate MSI region types 2017-03-22 16:16:17 +01:00
arm-smmu.c iommu/arm-smmu: Use per-context TLB sync as appropriate 2017-04-06 16:06:43 +01:00
dma-iommu.c iommu/dma: Remove bogus dma_supported() implementation 2017-02-06 13:14:10 +01:00
dmar.c iommu/vt-d: Fix crash on boot when DMAR is disabled 2017-02-22 12:25:31 +01:00
exynos-iommu.c iommu/exynos: Workaround FLPD cache flush issues for SYSMMU v5 2017-03-22 15:50:45 +01:00
fsl_pamu_domain.c iommu/fsl: Convert to device_group call-back 2015-10-22 00:00:49 +02:00
fsl_pamu_domain.h iommu/fsl: Make use of domain_alloc and domain_free 2015-03-31 15:32:14 +02:00
fsl_pamu.c powerpc/fsl: Move fsl_guts.h out of arch/powerpc 2015-10-21 18:05:50 -05:00
fsl_pamu.h iommu/fsl: Various cleanups 2015-02-03 18:47:18 +01:00
intel_irq_remapping.c SVM fixes for Linux 4.5 2016-02-16 08:04:06 -08:00
intel-iommu.c iommu: Disambiguate MSI region types 2017-03-22 16:16:17 +01:00
intel-svm.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h> 2017-03-02 08:42:28 +01:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Check for leaf entry before dereferencing it 2017-03-10 18:23:34 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: Check for leaf entry before dereferencing it 2017-03-10 18:23:34 +00:00
io-pgtable.c iommu/io-pgtable: Fix a brace coding style issue. 2016-04-05 15:34:29 +02:00
io-pgtable.h iommu/io-pgtable: Add MTK 4GB mode in Short-descriptor 2016-04-05 15:39:37 +02:00
iommu-sysfs.c iommu: Make iommu_device_link/unlink take a struct iommu_device 2017-02-10 13:44:57 +01:00
iommu-traces.c iommu: Add iommu_error class event to iommu trace 2013-09-25 11:07:04 +02:00
iommu.c iommu: Disambiguate MSI region types 2017-03-22 16:16:17 +01:00
iova.c iommu/iova: Use rb_entry() 2017-01-04 15:35:19 +01:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Restrict IOMMU Domain Geometry to 32-bit address space 2017-02-06 13:09:43 +01:00
irq_remapping.c x86/cpufeature: Replace cpu_has_apic with boot_cpu_has() usage 2016-04-13 11:37:41 +02:00
irq_remapping.h iommu, x86: Setup Posted-Interrupts capability for Intel iommu 2015-06-12 11:33:52 +02:00
Kconfig iommu/mediatek: Remove bogus 'select' statements 2017-02-06 13:16:22 +01:00
Makefile Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek', 'arm/msm', 'arm/rockchip', 'arm/smmu' and 'core' into next 2016-07-26 16:02:37 +02:00
msm_iommu_hw-8xxx.h iommu/msm: Move mach includes to iommu directory 2013-08-06 11:18:03 -07:00
msm_iommu.c iommu: Remove iommu_register_instance interface 2017-02-10 14:54:37 +01:00
msm_iommu.h iommu/msm: Make use of iommu_device_register interface 2017-02-10 13:44:57 +01:00
mtk_iommu_v1.c Merge branches 'arm/mediatek', 'arm/smmu', 'x86/amd', 's390', 'core' and 'arm/exynos' into next 2016-12-06 17:32:16 +01:00
mtk_iommu.c iommu: Remove iommu_register_instance interface 2017-02-10 14:54:37 +01:00
mtk_iommu.h iommu/mediatek: Make use of iommu_device_register interface 2017-02-10 13:44:57 +01:00
of_iommu.c Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next 2017-02-10 15:13:10 +01:00
omap-iommu-debug.c iommu/omap: Align code with open parenthesis 2016-04-05 17:53:20 +02:00
omap-iommu.c iommu/omap: Use WARN_ON for page table alignment check 2016-04-05 17:53:20 +02:00
omap-iommu.h iommu/omap: Add support for configuring dsp iommus on DRA7xx 2015-10-14 14:35:47 +02:00
omap-iopgtable.h iommu/omap: Use BIT(x) macros in omap-iopgtable.h 2015-08-03 16:04:42 +02:00
rockchip-iommu.c iommu/rockchip: Prepare to support generic DMA mapping 2016-06-27 14:50:08 +02:00
s390-iommu.c iommu/s390: Drop duplicate header pci.h 2016-11-29 17:37:58 +01:00
tegra-gart.c Merge branches 'iommu/fixes', 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/tegra' and 'core' into next 2015-04-02 13:33:19 +02:00
tegra-smmu.c iommu/tegra-smmu: Parameterize number of TLB lines 2015-08-13 17:05:28 +02:00