aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/i386/kernel/entry.S25
-rw-r--r--arch/x86_64/kernel/entry.S19
2 files changed, 20 insertions, 24 deletions
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 87f9f60b803b..ba22ec8fab54 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -591,11 +591,9 @@ ENTRY(name) \
591/* The include is where all of the SMP etc. interrupts come from */ 591/* The include is where all of the SMP etc. interrupts come from */
592#include "entry_arch.h" 592#include "entry_arch.h"
593 593
594ENTRY(divide_error) 594KPROBE_ENTRY(page_fault)
595 RING0_INT_FRAME 595 RING0_EC_FRAME
596 pushl $0 # no error code 596 pushl $do_page_fault
597 CFI_ADJUST_CFA_OFFSET 4
598 pushl $do_divide_error
599 CFI_ADJUST_CFA_OFFSET 4 597 CFI_ADJUST_CFA_OFFSET 4
600 ALIGN 598 ALIGN
601error_code: 599error_code:
@@ -645,6 +643,7 @@ error_code:
645 call *%edi 643 call *%edi
646 jmp ret_from_exception 644 jmp ret_from_exception
647 CFI_ENDPROC 645 CFI_ENDPROC
646KPROBE_END(page_fault)
648 647
649ENTRY(coprocessor_error) 648ENTRY(coprocessor_error)
650 RING0_INT_FRAME 649 RING0_INT_FRAME
@@ -720,7 +719,8 @@ debug_stack_correct:
720 call do_debug 719 call do_debug
721 jmp ret_from_exception 720 jmp ret_from_exception
722 CFI_ENDPROC 721 CFI_ENDPROC
723 .previous .text 722KPROBE_END(debug)
723
724/* 724/*
725 * NMI is doubly nasty. It can happen _while_ we're handling 725 * NMI is doubly nasty. It can happen _while_ we're handling
726 * a debug fault, and the debug fault hasn't yet been able to 726 * a debug fault, and the debug fault hasn't yet been able to
@@ -816,7 +816,7 @@ KPROBE_ENTRY(int3)
816 call do_int3 816 call do_int3
817 jmp ret_from_exception 817 jmp ret_from_exception
818 CFI_ENDPROC 818 CFI_ENDPROC
819 .previous .text 819KPROBE_END(int3)
820 820
821ENTRY(overflow) 821ENTRY(overflow)
822 RING0_INT_FRAME 822 RING0_INT_FRAME
@@ -881,7 +881,7 @@ KPROBE_ENTRY(general_protection)
881 CFI_ADJUST_CFA_OFFSET 4 881 CFI_ADJUST_CFA_OFFSET 4
882 jmp error_code 882 jmp error_code
883 CFI_ENDPROC 883 CFI_ENDPROC
884 .previous .text 884KPROBE_END(general_protection)
885 885
886ENTRY(alignment_check) 886ENTRY(alignment_check)
887 RING0_EC_FRAME 887 RING0_EC_FRAME
@@ -890,13 +890,14 @@ ENTRY(alignment_check)
890 jmp error_code 890 jmp error_code
891 CFI_ENDPROC 891 CFI_ENDPROC
892 892
893KPROBE_ENTRY(page_fault) 893ENTRY(divide_error)
894 RING0_EC_FRAME 894 RING0_INT_FRAME
895 pushl $do_page_fault 895 pushl $0 # no error code
896 CFI_ADJUST_CFA_OFFSET 4
897 pushl $do_divide_error
896 CFI_ADJUST_CFA_OFFSET 4 898 CFI_ADJUST_CFA_OFFSET 4
897 jmp error_code 899 jmp error_code
898 CFI_ENDPROC 900 CFI_ENDPROC
899 .previous .text
900 901
901#ifdef CONFIG_X86_MCE 902#ifdef CONFIG_X86_MCE
902ENTRY(machine_check) 903ENTRY(machine_check)
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 2092f565aa87..780f9b26169f 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -819,7 +819,7 @@ paranoid_schedule\trace:
819 * Exception entry point. This expects an error code/orig_rax on the stack 819 * Exception entry point. This expects an error code/orig_rax on the stack
820 * and the exception handler in %rax. 820 * and the exception handler in %rax.
821 */ 821 */
822ENTRY(error_entry) 822KPROBE_ENTRY(error_entry)
823 _frame RDI 823 _frame RDI
824 /* rdi slot contains rax, oldrax contains error code */ 824 /* rdi slot contains rax, oldrax contains error code */
825 cld 825 cld
@@ -903,7 +903,7 @@ error_kernelspace:
903 cmpq $gs_change,RIP(%rsp) 903 cmpq $gs_change,RIP(%rsp)
904 je error_swapgs 904 je error_swapgs
905 jmp error_sti 905 jmp error_sti
906END(error_entry) 906KPROBE_END(error_entry)
907 907
908 /* Reload gs selector with exception handling */ 908 /* Reload gs selector with exception handling */
909 /* edi: new selector */ 909 /* edi: new selector */
@@ -1025,8 +1025,7 @@ ENDPROC(execve)
1025 1025
1026KPROBE_ENTRY(page_fault) 1026KPROBE_ENTRY(page_fault)
1027 errorentry do_page_fault 1027 errorentry do_page_fault
1028END(page_fault) 1028KPROBE_END(page_fault)
1029 .previous .text
1030 1029
1031ENTRY(coprocessor_error) 1030ENTRY(coprocessor_error)
1032 zeroentry do_coprocessor_error 1031 zeroentry do_coprocessor_error
@@ -1047,8 +1046,7 @@ KPROBE_ENTRY(debug)
1047 CFI_ADJUST_CFA_OFFSET 8 1046 CFI_ADJUST_CFA_OFFSET 8
1048 paranoidentry do_debug, DEBUG_STACK 1047 paranoidentry do_debug, DEBUG_STACK
1049 paranoidexit 1048 paranoidexit
1050END(debug) 1049KPROBE_END(debug)
1051 .previous .text
1052 1050
1053 /* runs on exception stack */ 1051 /* runs on exception stack */
1054KPROBE_ENTRY(nmi) 1052KPROBE_ENTRY(nmi)
@@ -1062,8 +1060,7 @@ KPROBE_ENTRY(nmi)
1062 jmp paranoid_exit1 1060 jmp paranoid_exit1
1063 CFI_ENDPROC 1061 CFI_ENDPROC
1064#endif 1062#endif
1065END(nmi) 1063KPROBE_END(nmi)
1066 .previous .text
1067 1064
1068KPROBE_ENTRY(int3) 1065KPROBE_ENTRY(int3)
1069 INTR_FRAME 1066 INTR_FRAME
@@ -1072,8 +1069,7 @@ KPROBE_ENTRY(int3)
1072 paranoidentry do_int3, DEBUG_STACK 1069 paranoidentry do_int3, DEBUG_STACK
1073 jmp paranoid_exit1 1070 jmp paranoid_exit1
1074 CFI_ENDPROC 1071 CFI_ENDPROC
1075END(int3) 1072KPROBE_END(int3)
1076 .previous .text
1077 1073
1078ENTRY(overflow) 1074ENTRY(overflow)
1079 zeroentry do_overflow 1075 zeroentry do_overflow
@@ -1121,8 +1117,7 @@ END(stack_segment)
1121 1117
1122KPROBE_ENTRY(general_protection) 1118KPROBE_ENTRY(general_protection)
1123 errorentry do_general_protection 1119 errorentry do_general_protection
1124END(general_protection) 1120KPROBE_END(general_protection)
1125 .previous .text
1126 1121
1127ENTRY(alignment_check) 1122ENTRY(alignment_check)
1128 errorentry do_alignment_check 1123 errorentry do_alignment_check