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| author | Michael Ellerman <mpe@ellerman.id.au> | 2022-07-25 06:49:22 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-07-25 06:49:22 +0300 |
| commit | 3c69a99b62fde9de86a612ef1daaa07d95f0a773 (patch) | |
| tree | 2a82c3ba8926092d35a9ef1ddc62a08cf19ac981 /arch/x86/hyperv/hv_init.c | |
| parent | be640317a1d0b9cf42fedb2debc2887a7cfa38de (diff) | |
| parent | ff6992735ade75aae3e35d16b17da1008d753d28 (diff) | |
| download | linux-3c69a99b62fde9de86a612ef1daaa07d95f0a773.tar.xz | |
Merge tag 'v5.19-rc7' into fixes
Merge v5.19-rc7 into fixes to bring in:
d11219ad53dc ("amdgpu: disable powerpc support for the newer display engine")
Diffstat (limited to 'arch/x86/hyperv/hv_init.c')
| -rw-r--r-- | arch/x86/hyperv/hv_init.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 8b392b6b7b93..3de6d8b53367 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -13,6 +13,7 @@ #include <linux/io.h> #include <asm/apic.h> #include <asm/desc.h> +#include <asm/sev.h> #include <asm/hypervisor.h> #include <asm/hyperv-tlfs.h> #include <asm/mshyperv.h> @@ -405,6 +406,11 @@ void __init hyperv_init(void) } if (hv_isolation_type_snp()) { + /* Negotiate GHCB Version. */ + if (!hv_ghcb_negotiate_protocol()) + hv_ghcb_terminate(SEV_TERM_SET_GEN, + GHCB_SEV_ES_PROT_UNSUPPORTED); + hv_ghcb_pg = alloc_percpu(union hv_ghcb *); if (!hv_ghcb_pg) goto free_vp_assist_page; |