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| author | Tom Lendacky <thomas.lendacky@amd.com> | 2020-09-07 15:15:47 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-09-09 11:33:19 +0200 |
| commit | 0786138c78e79343c7b015d77507cbf9d5f15d00 (patch) | |
| tree | ba34ed1ef4960d2920830bf711e993ab47e69855 /arch/x86/include/asm/idtentry.h | |
| parent | x86/entry/64: Add entry code for #VC handler (diff) | |
| download | linux-0786138c78e79343c7b015d77507cbf9d5f15d00.tar.xz linux-0786138c78e79343c7b015d77507cbf9d5f15d00.zip | |
x86/sev-es: Add a Runtime #VC Exception Handler
Add the handlers for #VC exceptions invoked at runtime.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-47-joro@8bytes.org
Diffstat (limited to 'arch/x86/include/asm/idtentry.h')
| -rw-r--r-- | arch/x86/include/asm/idtentry.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h index 840faaf57708..58a793b46a00 100644 --- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -318,6 +318,7 @@ static __always_inline void __##func(struct pt_regs *regs) */ #define DECLARE_IDTENTRY_VC(vector, func) \ DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func); \ + __visible noinstr void ist_##func(struct pt_regs *regs, unsigned long error_code); \ __visible noinstr void safe_stack_##func(struct pt_regs *regs, unsigned long error_code) /** @@ -608,6 +609,11 @@ DECLARE_IDTENTRY_RAW(X86_TRAP_DB, xenpv_exc_debug); /* #DF */ DECLARE_IDTENTRY_DF(X86_TRAP_DF, exc_double_fault); +/* #VC */ +#ifdef CONFIG_AMD_MEM_ENCRYPT +DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); +#endif + #ifdef CONFIG_XEN_PV DECLARE_IDTENTRY_XENCB(X86_TRAP_OTHER, exc_xen_hypervisor_callback); #endif |