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authorPaolo Bonzini <pbonzini@redhat.com>2024-01-02 13:16:29 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2024-01-02 13:16:29 -0500
commit136292522e43da46bee4c0fef80b2602f79525a2 (patch)
tree47c892c46e01fa4a3ef014f3737ecee3776969ee /arch/x86/kernel/sev.c
parent8ed26ab8d59111c2f7b86d200d1eb97d2a458fd1 (diff)
parent118e10cd893d57df55b3302dfd188a981b6e6d1c (diff)
Merge tag 'loongarch-kvm-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.8 1. Optimization for memslot hugepage checking. 2. Cleanup and fix some HW/SW timer issues. 3. Add LSX/LASX (128bit/256bit SIMD) support.
Diffstat (limited to 'arch/x86/kernel/sev.c')
-rw-r--r--arch/x86/kernel/sev.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c
index 70472eebe719..c67285824e82 100644
--- a/arch/x86/kernel/sev.c
+++ b/arch/x86/kernel/sev.c
@@ -1234,10 +1234,6 @@ void setup_ghcb(void)
if (!cc_platform_has(CC_ATTR_GUEST_STATE_ENCRYPT))
return;
- /* First make sure the hypervisor talks a supported protocol. */
- if (!sev_es_negotiate_protocol())
- sev_es_terminate(SEV_TERM_SET_GEN, GHCB_SEV_ES_GEN_REQ);
-
/*
* Check whether the runtime #VC exception handler is active. It uses
* the per-CPU GHCB page which is set up by sev_es_init_vc_handling().
@@ -1255,6 +1251,13 @@ void setup_ghcb(void)
}
/*
+ * Make sure the hypervisor talks a supported protocol.
+ * This gets called only in the BSP boot phase.
+ */
+ if (!sev_es_negotiate_protocol())
+ sev_es_terminate(SEV_TERM_SET_GEN, GHCB_SEV_ES_GEN_REQ);
+
+ /*
* Clear the boot_ghcb. The first exception comes in before the bss
* section is cleared.
*/