diff options
Diffstat (limited to 'arch/x86/kernel/entry_64.S')
-rw-r--r-- | arch/x86/kernel/entry_64.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 4db7c4d12ff..c5ea5cdbe7b 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S | |||
@@ -1065,6 +1065,7 @@ ENTRY(\sym) | |||
1065 | END(\sym) | 1065 | END(\sym) |
1066 | .endm | 1066 | .endm |
1067 | 1067 | ||
1068 | #define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8) | ||
1068 | .macro paranoidzeroentry_ist sym do_sym ist | 1069 | .macro paranoidzeroentry_ist sym do_sym ist |
1069 | ENTRY(\sym) | 1070 | ENTRY(\sym) |
1070 | INTR_FRAME | 1071 | INTR_FRAME |
@@ -1076,10 +1077,9 @@ ENTRY(\sym) | |||
1076 | TRACE_IRQS_OFF | 1077 | TRACE_IRQS_OFF |
1077 | movq %rsp,%rdi /* pt_regs pointer */ | 1078 | movq %rsp,%rdi /* pt_regs pointer */ |
1078 | xorl %esi,%esi /* no error code */ | 1079 | xorl %esi,%esi /* no error code */ |
1079 | PER_CPU(init_tss, %r12) | 1080 | subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) |
1080 | subq $EXCEPTION_STKSZ, TSS_ist + (\ist - 1) * 8(%r12) | ||
1081 | call \do_sym | 1081 | call \do_sym |
1082 | addq $EXCEPTION_STKSZ, TSS_ist + (\ist - 1) * 8(%r12) | 1082 | addq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) |
1083 | jmp paranoid_exit /* %ebx: no swapgs flag */ | 1083 | jmp paranoid_exit /* %ebx: no swapgs flag */ |
1084 | CFI_ENDPROC | 1084 | CFI_ENDPROC |
1085 | END(\sym) | 1085 | END(\sym) |
@@ -1329,6 +1329,9 @@ ENTRY(xen_failsafe_callback) | |||
1329 | CFI_ENDPROC | 1329 | CFI_ENDPROC |
1330 | END(xen_failsafe_callback) | 1330 | END(xen_failsafe_callback) |
1331 | 1331 | ||
1332 | apicinterrupt XEN_HVM_EVTCHN_CALLBACK \ | ||
1333 | xen_hvm_callback_vector xen_evtchn_do_upcall | ||
1334 | |||
1332 | #endif /* CONFIG_XEN */ | 1335 | #endif /* CONFIG_XEN */ |
1333 | 1336 | ||
1334 | /* | 1337 | /* |