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author | Tom Lendacky <thomas.lendacky@amd.com> | 2020-09-07 15:15:47 +0200 |
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committer | Borislav Petkov <bp@suse.de> | 2020-09-09 11:33:19 +0200 |
commit | 0786138c78e79343c7b015d77507cbf9d5f15d00 (patch) | |
tree | ba34ed1ef4960d2920830bf711e993ab47e69855 /arch/x86/kernel/idt.c | |
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/kernel/idt.c')
-rw-r--r-- | arch/x86/kernel/idt.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index 4bb4e3d6099e..e29a6c728001 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -229,11 +229,14 @@ static const __initconst struct idt_data early_pf_idts[] = { * cpu_init() when the TSS has been initialized. */ static const __initconst struct idt_data ist_idts[] = { - ISTG(X86_TRAP_DB, asm_exc_debug, IST_INDEX_DB), - ISTG(X86_TRAP_NMI, asm_exc_nmi, IST_INDEX_NMI), - ISTG(X86_TRAP_DF, asm_exc_double_fault, IST_INDEX_DF), + ISTG(X86_TRAP_DB, asm_exc_debug, IST_INDEX_DB), + ISTG(X86_TRAP_NMI, asm_exc_nmi, IST_INDEX_NMI), + ISTG(X86_TRAP_DF, asm_exc_double_fault, IST_INDEX_DF), #ifdef CONFIG_X86_MCE - ISTG(X86_TRAP_MC, asm_exc_machine_check, IST_INDEX_MCE), + ISTG(X86_TRAP_MC, asm_exc_machine_check, IST_INDEX_MCE), +#endif +#ifdef CONFIG_AMD_MEM_ENCRYPT + ISTG(X86_TRAP_VC, asm_exc_vmm_communication, IST_INDEX_VC), #endif }; |