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Diffstat (limited to 'arch/x86/kernel/entry_64.S')
-rw-r--r--arch/x86/kernel/entry_64.S14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 6419bb05ecd5..faf8d5e74b0b 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -331,10 +331,15 @@ ENDPROC(native_usergs_sysret64)
1: incl PER_CPU_VAR(irq_count)
jne 2f
mov PER_CPU_VAR(irq_stack_ptr),%rsp
- EMPTY_FRAME 0
+ CFI_DEF_CFA_REGISTER rsi
2: /* Store previous stack value */
pushq %rsi
+ CFI_ESCAPE 0x0f /* DW_CFA_def_cfa_expression */, 6, \
+ 0x77 /* DW_OP_breg7 */, 0, \
+ 0x06 /* DW_OP_deref */, \
+ 0x08 /* DW_OP_const1u */, SS+8-RBP, \
+ 0x22 /* DW_OP_plus */
/* We entered an interrupt context - irqs are off: */
TRACE_IRQS_OFF
.endm
@@ -788,7 +793,6 @@ END(interrupt)
subq $ORIG_RAX-RBP, %rsp
CFI_ADJUST_CFA_OFFSET ORIG_RAX-RBP
SAVE_ARGS_IRQ
- PARTIAL_FRAME 0
call \func
.endm
@@ -813,10 +817,10 @@ ret_from_intr:
/* Restore saved previous stack */
popq %rsi
- leaq 16(%rsi), %rsp
-
+ CFI_DEF_CFA_REGISTER rsi
+ leaq ARGOFFSET-RBP(%rsi), %rsp
CFI_DEF_CFA_REGISTER rsp
- CFI_ADJUST_CFA_OFFSET -16
+ CFI_ADJUST_CFA_OFFSET RBP-ARGOFFSET
exit_intr:
GET_THREAD_INFO(%rcx)