diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:31 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-29 11:42:28 +0200 |
| commit | 4b9a8dca0e58b6fee229795f77e902a4dfd116fe (patch) | |
| tree | 16815f988922bb9999b479f62b984cd28d031e30 /arch/x86/entry | |
| parent | 3cd788c1eec4b3659671aa13d335a15102ac4d06 (diff) | |
| download | linux-4b9a8dca0e58b6fee229795f77e902a4dfd116fe.tar.bz2 | |
x86/idt: Remove the tracing IDT completely
No more users of the tracing IDT. All exception tracepoints have been moved
into the regular handlers. Get rid of the mess which shouldn't have been
created in the first place.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064957.378851687@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/entry')
| -rw-r--r-- | arch/x86/entry/entry_32.S | 12 | ||||
| -rw-r--r-- | arch/x86/entry/entry_64.S | 13 |
2 files changed, 2 insertions, 23 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 0092da1c056f..8a13d468635a 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -673,16 +673,8 @@ ENTRY(name) \ jmp ret_from_intr; \ ENDPROC(name) - -#ifdef CONFIG_TRACING -# define TRACE_BUILD_INTERRUPT(name, nr) BUILD_INTERRUPT3(trace_##name, nr, smp_trace_##name) -#else -# define TRACE_BUILD_INTERRUPT(name, nr) -#endif - #define BUILD_INTERRUPT(name, nr) \ BUILD_INTERRUPT3(name, nr, smp_##name); \ - TRACE_BUILD_INTERRUPT(name, nr) /* The include is where all of the SMP etc. interrupts come from */ #include <asm/entry_arch.h> @@ -880,14 +872,14 @@ ENTRY(xen_failsafe_callback) ENDPROC(xen_failsafe_callback) BUILD_INTERRUPT3(xen_hvm_callback_vector, HYPERVISOR_CALLBACK_VECTOR, - xen_evtchn_do_upcall) + xen_evtchn_do_upcall) #endif /* CONFIG_XEN */ #if IS_ENABLED(CONFIG_HYPERV) BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR, - hyperv_vector_handler) + hyperv_vector_handler) #endif /* CONFIG_HYPERV */ diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 2731b9471770..7a1d383c2192 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -748,18 +748,6 @@ ENTRY(\sym) END(\sym) .endm -#ifdef CONFIG_TRACING -#define trace(sym) trace_##sym -#define smp_trace(sym) smp_trace_##sym - -.macro trace_apicinterrupt num sym -apicinterrupt3 \num trace(\sym) smp_trace(\sym) -.endm -#else -.macro trace_apicinterrupt num sym do_sym -.endm -#endif - /* Make sure APIC interrupt handlers end up in the irqentry section: */ #if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN) # define PUSH_SECTION_IRQENTRY .pushsection .irqentry.text, "ax" @@ -772,7 +760,6 @@ apicinterrupt3 \num trace(\sym) smp_trace(\sym) .macro apicinterrupt num sym do_sym PUSH_SECTION_IRQENTRY apicinterrupt3 \num \sym \do_sym -trace_apicinterrupt \num \sym POP_SECTION_IRQENTRY .endm |