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authorTianyu Lan <Tianyu.Lan@microsoft.com>2021-10-25 08:21:08 -0400
committerWei Liu <wei.liu@kernel.org>2021-10-28 11:21:33 +0000
commit810a521265023a1d5c6c081ea2d216bc63d422f5 (patch)
treea62913d60a1a893bcc8bcb4764d1686e0cc82989 /drivers/uio
parentaf788f355e343373490b7d2e361016e7c24a0ffa (diff)
x86/hyperv: Add new hvcall guest address host visibility support
Add new hvcall guest address host visibility support to mark memory visible to host. Call it inside set_memory_decrypted /encrypted(). Add HYPERVISOR feature check in the hv_is_isolation_supported() to optimize in non-virtualization environment. Acked-by: Dave Hansen <dave.hansen@intel.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com> Link: https://lore.kernel.org/r/20211025122116.264793-4-ltykernel@gmail.com [ wei: fix conflicts with tip ] Signed-off-by: Wei Liu <wei.liu@kernel.org>
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