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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-10 15:35:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-10 15:35:41 -0300 |
| commit | debe70e488968e82282db48fbbcf84b5080f742c (patch) | |
| tree | 90f96f07c499bfc5bdbbeab3ca4a81a5a7672b61 /include/linux/cc_platform.h | |
| parent | 65f8d08cf838df3c3d728cdef908090237931496 (diff) | |
| parent | 133d9c53c9dcbb1b8f317e402e79c44d9eb725c9 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'include/linux/cc_platform.h')
| -rw-r--r-- | include/linux/cc_platform.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h index a075b70b9a70..efd8205282da 100644 --- a/include/linux/cc_platform.h +++ b/include/linux/cc_platform.h @@ -61,6 +61,17 @@ enum cc_attr { * Examples include SEV-ES. */ CC_ATTR_GUEST_STATE_ENCRYPT, + + /** + * @CC_ATTR_GUEST_UNROLL_STRING_IO: String I/O is implemented with + * IN/OUT instructions + * + * The platform/OS is running as a guest/virtual machine and uses + * IN/OUT instructions in place of string I/O. + * + * Examples include TDX guest & SEV. + */ + CC_ATTR_GUEST_UNROLL_STRING_IO, }; #ifdef CONFIG_ARCH_HAS_CC_PLATFORM |