Merge branches 'x86/signal' and 'x86/irq' into perfcounters/core

Merge these pending x86 tree changes into the perfcounters tree
to avoid conflicts.

diff --cc arch/x86/ia32/ia32_signal.c
Simple merge

diff --cc arch/x86/kernel/Makefile
index b62a766,ef28c21,943fe60..3d4346a
--- 1/arch/x86/kernel/Makefile
--- 2/arch/x86/kernel/Makefile
--- 3/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@@@ -11,7 -11,6 -11,8 +11,8 @@@@ ifdef CONFIG_FUNCTION_TRACE
   CFLAGS_REMOVE_tsc.o = -pg
   CFLAGS_REMOVE_rtc.o = -pg
   CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
 + CFLAGS_REMOVE_ftrace.o = -pg
++ CFLAGS_REMOVE_early_printk.o = -pg
   endif
   
   #