summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/idt.c
diff options
context:
space:
mode:
authorTom Lendacky <thomas.lendacky@amd.com>2020-09-07 15:15:47 +0200
committerBorislav Petkov <bp@suse.de>2020-09-09 11:33:19 +0200
commit0786138c78e79343c7b015d77507cbf9d5f15d00 (patch)
treeba34ed1ef4960d2920830bf711e993ab47e69855 /arch/x86/kernel/idt.c
parentx86/entry/64: Add entry code for #VC handler (diff)
downloadlinux-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.c11
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
};