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| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-02-05 00:58:25 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-02-05 00:58:25 -0500 |
| commit | 7e6a6b400db8048bd1c06e497e338388413cf5bc (patch) | |
| tree | 794f9fcdc7a1bfb9a2812e90fc76809d810203b2 /include/linux/cc_platform.h | |
| parent | 6e37ec8825a113bc2dd1b280be10e5ac6eb4f6b1 (diff) | |
| parent | 1dd498e5e26ad71e3e9130daf72cfb6a693fee03 (diff) | |
Merge tag 'kvmarm-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.17, take #2
- A couple of fixes when handling an exception while a SError has been
delivered
- Workaround for Cortex-A510's single-step[ erratum
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 |