Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds

[sfrench/cifs-2.6.git] / arch / x86_64 / kernel / entry.S

diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index ed4350ced3d0602d681ce6cb622ec426a288ab6f..830cfc6ee8cb1ac08297650f3efcf9e8a7a469a8 100644 (file)
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -282,7 +282,7 @@ sysret_careful:
 sysret_signal:
        TRACE_IRQS_ON
        sti
-       testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx
+       testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
        jz    1f
 
        /* Really a signal */
@@ -375,7 +375,7 @@ int_very_careful:
        jmp int_restore_rest
        
 int_signal:
-       testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP),%edx
+       testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
        jz 1f
        movq %rsp,%rdi          # &ptregs -> arg1
        xorl %esi,%esi          # oldset -> arg2
@@ -599,7 +599,7 @@ retint_careful:
        jmp retint_check
        
 retint_signal:
-       testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx
+       testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
        jz    retint_swapgs
        TRACE_IRQS_ON
        sti
@@ -701,6 +701,7 @@ END(spurious_interrupt)
        CFI_ADJUST_CFA_OFFSET 8
        pushq %rax      /* push real oldrax to the rdi slot */ 
        CFI_ADJUST_CFA_OFFSET 8
+       CFI_REL_OFFSET rax,0
        leaq  \sym(%rip),%rax
        jmp error_entry
        CFI_ENDPROC
@@ -710,6 +711,7 @@ END(spurious_interrupt)
        XCPT_FRAME
        pushq %rax
        CFI_ADJUST_CFA_OFFSET 8
+       CFI_REL_OFFSET rax,0
        leaq  \sym(%rip),%rax
        jmp error_entry
        CFI_ENDPROC
@@ -817,6 +819,7 @@ paranoid_schedule\trace:
  */                                            
 KPROBE_ENTRY(error_entry)
        _frame RDI
+       CFI_REL_OFFSET rax,0
        /* rdi slot contains rax, oldrax contains error code */
        cld     
        subq  $14*8,%rsp
@@ -824,6 +827,7 @@ KPROBE_ENTRY(error_entry)
        movq %rsi,13*8(%rsp)
        CFI_REL_OFFSET  rsi,RSI
        movq 14*8(%rsp),%rsi    /* load rax from rdi slot */
+       CFI_REGISTER    rax,rsi
        movq %rdx,12*8(%rsp)
        CFI_REL_OFFSET  rdx,RDX
        movq %rcx,11*8(%rsp)
@@ -857,6 +861,7 @@ error_swapgs:
        swapgs
 error_sti:     
        movq %rdi,RDI(%rsp)     
+       CFI_REL_OFFSET  rdi,RDI
        movq %rsp,%rdi
        movq ORIG_RAX(%rsp),%rsi        /* get error code */ 
        movq $-1,ORIG_RAX(%rsp)
@@ -1158,3 +1163,10 @@ ENTRY(call_softirq)
        ret
        CFI_ENDPROC
 ENDPROC(call_softirq)
+
+KPROBE_ENTRY(ignore_sysret)
+       CFI_STARTPROC
+       mov $-ENOSYS,%eax
+       sysret
+       CFI_ENDPROC
+ENDPROC(ignore_sysret)