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authorIngo Molnar <[email protected]>2025-04-22 06:31:41 +0000
committerIngo Molnar <[email protected]>2025-04-22 06:31:41 +0000
commitc96f564e6f943cf5d8536e1c43f243aa7c42b4ed (patch)
treeada98ccab9b31fe9519b4e6ea2beec63ad98cb16 /tools/objtool/arch/x86/decode.c
parentx86/microcode/AMD: Clean the cache if update did not load microcode (diff)
parentMerge branch 'linus' into x86/cpu, to resolve conflicts (diff)
downloadkernel-c96f564e6f943cf5d8536e1c43f243aa7c42b4ed.tar.gz
kernel-c96f564e6f943cf5d8536e1c43f243aa7c42b4ed.zip
Merge branch 'x86/cpu' into x86/microcode, to pick up dependent commits
Avoid a conflict in <asm/cpufeatures.h> by merging pending x86/cpu changes. Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/objtool/arch/x86/decode.c')
-rw-r--r--tools/objtool/arch/x86/decode.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c
index 33d861c04ebd..3ce7b54003c2 100644
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -522,7 +522,7 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec
case INAT_PFX_REPNE:
if (modrm == 0xca)
/* eretu/erets */
- insn->type = INSN_CONTEXT_SWITCH;
+ insn->type = INSN_SYSRET;
break;
default:
if (modrm == 0xca)
@@ -535,11 +535,15 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec
insn->type = INSN_JUMP_CONDITIONAL;
- } else if (op2 == 0x05 || op2 == 0x07 || op2 == 0x34 ||
- op2 == 0x35) {
+ } else if (op2 == 0x05 || op2 == 0x34) {
- /* sysenter, sysret */
- insn->type = INSN_CONTEXT_SWITCH;
+ /* syscall, sysenter */
+ insn->type = INSN_SYSCALL;
+
+ } else if (op2 == 0x07 || op2 == 0x35) {
+
+ /* sysret, sysexit */
+ insn->type = INSN_SYSRET;
} else if (op2 == 0x0b || op2 == 0xb9) {
@@ -676,7 +680,7 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec
case 0xca: /* retf */
case 0xcb: /* retf */
- insn->type = INSN_CONTEXT_SWITCH;
+ insn->type = INSN_SYSRET;
break;
case 0xe0: /* loopne */
@@ -721,7 +725,7 @@ int arch_decode_instruction(struct objtool_file *file, const struct section *sec
} else if (modrm_reg == 5) {
/* jmpf */
- insn->type = INSN_CONTEXT_SWITCH;
+ insn->type = INSN_SYSRET;
} else if (modrm_reg == 6) {