Merge branch 'x86-trace-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / arch / x86 / kernel / entry_64.S

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index b077f4c..e21b078 100644 (file)
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1103,10 +1103,8 @@ retint_signal:
        /* Returning to kernel space. Check if we need preemption */
        /* rcx:  threadinfo. interrupts off. */
 ENTRY(retint_kernel)
-       cmpl $0,TI_preempt_count(%rcx)
+       cmpl $0,PER_CPU_VAR(__preempt_count)
        jnz  retint_restore_args
-       bt  $TIF_NEED_RESCHED,TI_flags(%rcx)
-       jnc  retint_restore_args
        bt   $9,EFLAGS-ARGOFFSET(%rsp)  /* interrupts off? */
        jnc  retint_restore_args
        call preempt_schedule_irq
@@ -1280,6 +1278,17 @@ ENTRY(\sym)
 END(\sym)
 .endm
 
+#ifdef CONFIG_TRACING
+.macro trace_errorentry sym do_sym
+errorentry trace(\sym) trace(\do_sym)
+errorentry \sym \do_sym
+.endm
+#else
+.macro trace_errorentry sym do_sym
+errorentry \sym \do_sym
+.endm
+#endif
+
        /* error code is on the stack already */
 .macro paranoiderrorentry sym do_sym
 ENTRY(\sym)
@@ -1342,7 +1351,7 @@ bad_gs:
        .previous
 
 /* Call softirq on interrupt stack. Interrupts are off. */
-ENTRY(call_softirq)
+ENTRY(do_softirq_own_stack)
        CFI_STARTPROC
        pushq_cfi %rbp
        CFI_REL_OFFSET rbp,0
@@ -1359,7 +1368,7 @@ ENTRY(call_softirq)
        decl PER_CPU_VAR(irq_count)
        ret
        CFI_ENDPROC
-END(call_softirq)
+END(do_softirq_own_stack)
 
 #ifdef CONFIG_XEN
 zeroentry xen_hypervisor_callback xen_do_hypervisor_callback
@@ -1482,7 +1491,7 @@ zeroentry xen_int3 do_int3
 errorentry xen_stack_segment do_stack_segment
 #endif
 errorentry general_protection do_general_protection
-errorentry page_fault do_page_fault
+trace_errorentry page_fault do_page_fault
 #ifdef CONFIG_KVM_GUEST
 errorentry async_page_fault do_async_page_fault
 #endif