diff options
Diffstat (limited to 'arch/x86/kernel/entry_64.S')
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 6419bb05ecd..faf8d5e74b0 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) |