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hv: vtd: cleanup snoop control related code

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Snoop control will not be turned on by hypervisor, delete snoop control
related code.

Tracked-On: #4831
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Binbin Wu
2020-05-08 01:46:26 +00:00
committed by wenlingz
parent a94c3ef763
commit 3009d9399f
3 changed files with 5 additions and 27 deletions
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7
hypervisor/arch/x86/Kconfig
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@@ -340,13 +340,6 @@ config MCE_ON_PSC_WORKAROUND_DISABLED
the software workaround has negative impact on performance. If all the guest OS
kernels are trusted, this option may be set for performance.
config IOMMU_ENFORCE_SNP
bool "IOMMU enforce snoop behavior of DMA operation"
default n
help
GPU IOMMU doesn't support snoop control capability,
To enable gvt-d,disable IOMMU snoop control by default.
config ENFORCE_TURNOFF_AC
bool "Force to disable #AC for Split-locked Access"
default n