diff options
Diffstat (limited to 'arch')
31 files changed, 31 insertions, 144 deletions
diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S index aa5f9fcbf9ee..38e704e597f7 100644 --- a/arch/arm64/kernel/entry-ftrace.S +++ b/arch/arm64/kernel/entry-ftrace.S @@ -96,11 +96,6 @@ * - ftrace_graph_caller to set up an exit hook */ ENTRY(_mcount) -#ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST - ldr x0, =ftrace_trace_stop - ldr x0, [x0] // if ftrace_trace_stop - ret // return; -#endif mcount_enter ldr x0, =ftrace_trace_function diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index f81e7b989fff..ed30699cc635 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -18,7 +18,6 @@ config BLACKFIN select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_IDE select HAVE_KERNEL_GZIP if RAMKERNEL select HAVE_KERNEL_BZIP2 if RAMKERNEL diff --git a/arch/blackfin/kernel/ftrace-entry.S b/arch/blackfin/kernel/ftrace-entry.S index 7eed00bbd26d..28d059540424 100644 --- a/arch/blackfin/kernel/ftrace-entry.S +++ b/arch/blackfin/kernel/ftrace-entry.S @@ -33,15 +33,6 @@ ENDPROC(__mcount) * function will be waiting there. mmmm pie. */ ENTRY(_ftrace_caller) -# ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST - /* optional micro optimization: return if stopped */ - p1.l = _function_trace_stop; - p1.h = _function_trace_stop; - r3 = [p1]; - cc = r3 == 0; - if ! cc jump _ftrace_stub (bp); -# endif - /* save first/second/third function arg and the return register */ [--sp] = r2; [--sp] = r0; @@ -83,15 +74,6 @@ ENDPROC(_ftrace_caller) /* See documentation for _ftrace_caller */ ENTRY(__mcount) -# ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST - /* optional micro optimization: return if stopped */ - p1.l = _function_trace_stop; - p1.h = _function_trace_stop; - r3 = [p1]; - cc = r3 == 0; - if ! cc jump _ftrace_stub (bp); -# endif - /* save third function arg early so we can do testing below */ [--sp] = r2; diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig index 499b7610eaaf..0b389a81c43a 100644 --- a/arch/metag/Kconfig +++ b/arch/metag/Kconfig @@ -13,7 +13,6 @@ config METAG select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZO diff --git a/arch/metag/kernel/ftrace_stub.S b/arch/metag/kernel/ftrace_stub.S index e70bff745bdd..3acc288217c0 100644 --- a/arch/metag/kernel/ftrace_stub.S +++ b/arch/metag/kernel/ftrace_stub.S @@ -16,13 +16,6 @@ _mcount_wrapper: .global _ftrace_caller .type _ftrace_caller,function _ftrace_caller: - MOVT D0Re0,#HI(_function_trace_stop) - ADD D0Re0,D0Re0,#LO(_function_trace_stop) - GETD D0Re0,[D0Re0] - CMP D0Re0,#0 - BEQ $Lcall_stub - MOV PC,D0.4 -$Lcall_stub: MSETL [A0StP], D0Ar6, D0Ar4, D0Ar2, D0.4 MOV D1Ar1, D0.4 MOV D0Ar2, D1RtP @@ -42,13 +35,6 @@ _ftrace_call: .global _mcount_wrapper .type _mcount_wrapper,function _mcount_wrapper: - MOVT D0Re0,#HI(_function_trace_stop) - ADD D0Re0,D0Re0,#LO(_function_trace_stop) - GETD D0Re0,[D0Re0] - CMP D0Re0,#0 - BEQ $Lcall_mcount - MOV PC,D0.4 -$Lcall_mcount: MSETL [A0StP], D0Ar6, D0Ar4, D0Ar2, D0.4 MOV D1Ar1, D0.4 MOV D0Ar2, D1RtP diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 9ae08541e30d..40e1c1dd0e24 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -22,7 +22,6 @@ config MICROBLAZE select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FUNCTION_TRACER select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c index bbcd2533766c..fc7b48a52cd5 100644 --- a/arch/microblaze/kernel/ftrace.c +++ b/arch/microblaze/kernel/ftrace.c @@ -27,6 +27,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) unsigned long return_hooker = (unsigned long) &return_to_handler; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; diff --git a/arch/microblaze/kernel/mcount.S b/arch/microblaze/kernel/mcount.S index fc1e1322ce4c..fed9da5de8c4 100644 --- a/arch/microblaze/kernel/mcount.S +++ b/arch/microblaze/kernel/mcount.S @@ -91,11 +91,6 @@ ENTRY(ftrace_caller) #endif /* CONFIG_DYNAMIC_FTRACE */ SAVE_REGS swi r15, r1, 0; - /* MS: HAVE_FUNCTION_TRACE_MCOUNT_TEST begin of checking */ - lwi r5, r0, function_trace_stop; - bneid r5, end; - nop; - /* MS: HAVE_FUNCTION_TRACE_MCOUNT_TEST end of checking */ #ifdef CONFIG_FUNCTION_GRAPH_TRACER #ifndef CONFIG_DYNAMIC_FTRACE lwi r5, r0, ftrace_graph_return; diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 4e238e6e661c..10f270bd3e25 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -15,7 +15,6 @@ config MIPS select HAVE_BPF_JIT if !CPU_MICROMIPS select ARCH_HAVE_CUSTOM_GPIO_H select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_C_RECORDMCOUNT diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 60e7e5e45af1..8b6538750fe1 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -302,6 +302,9 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, &return_to_handler; int faulted, insns; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S index 539b6294b613..00940d1d5c4f 100644 --- a/arch/mips/kernel/mcount.S +++ b/arch/mips/kernel/mcount.S @@ -74,10 +74,6 @@ _mcount: #endif /* When tracing is activated, it calls ftrace_caller+8 (aka here) */ - lw t1, function_trace_stop - bnez t1, ftrace_stub - nop - MCOUNT_SAVE_REGS #ifdef KBUILD_MCOUNT_RA_ADDRESS PTR_S MCOUNT_RA_ADDRESS_REG, PT_R12(sp) @@ -105,9 +101,6 @@ ftrace_stub: #else /* ! CONFIG_DYNAMIC_FTRACE */ NESTED(_mcount, PT_SIZE, ra) - lw t1, function_trace_stop - bnez t1, ftrace_stub - nop PTR_LA t1, ftrace_stub PTR_L t2, ftrace_trace_function /* Prepare t2 for (1) */ bne t1, t2, static_trace diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 108d48e652af..6e75e2030927 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -6,7 +6,6 @@ config PARISC select HAVE_OPROFILE select HAVE_FUNCTION_TRACER if 64BIT select HAVE_FUNCTION_GRAPH_TRACER if 64BIT - select HAVE_FUNCTION_TRACE_MCOUNT_TEST if 64BIT select ARCH_WANT_FRAME_POINTERS select RTC_CLASS select RTC_DRV_GENERIC diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c index 5beb97bafbb1..559d400f9385 100644 --- a/arch/parisc/kernel/ftrace.c +++ b/arch/parisc/kernel/ftrace.c @@ -112,6 +112,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) unsigned long long calltime; struct ftrace_graph_ent trace; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; @@ -152,9 +155,6 @@ void ftrace_function_trampoline(unsigned long parent, { extern ftrace_func_t ftrace_trace_function; - if (function_trace_stop) - return; - if (ftrace_trace_function != ftrace_stub) { ftrace_trace_function(parent, self_addr); return; diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index d178834fe508..390311c0f03d 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c @@ -525,6 +525,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) struct ftrace_graph_ent trace; unsigned long return_hooker = (unsigned long)&return_to_handler; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index bb63499fc5d3..f5af5f6ef0f4 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -116,7 +116,6 @@ config S390 select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index 08dcf21cb8df..433c6dbfa442 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -21,13 +21,9 @@ ENTRY(_mcount) ENTRY(ftrace_caller) #endif stm %r2,%r5,16(%r15) - bras %r1,2f + bras %r1,1f 0: .long ftrace_trace_function -1: .long function_trace_stop -2: l %r2,1b-0b(%r1) - icm %r2,0xf,0(%r2) - jnz 3f - st %r14,56(%r15) +1: st %r14,56(%r15) lr %r0,%r15 ahi %r15,-96 l %r3,100(%r15) @@ -50,7 +46,7 @@ ENTRY(ftrace_graph_caller) #endif ahi %r15,96 l %r14,56(%r15) -3: lm %r2,%r5,16(%r15) + lm %r2,%r5,16(%r15) br %r14 #ifdef CONFIG_FUNCTION_GRAPH_TRACER diff --git a/arch/s390/kernel/mcount64.S b/arch/s390/kernel/mcount64.S index 1c52eae3396a..c67a8bf0fd9a 100644 --- a/arch/s390/kernel/mcount64.S +++ b/arch/s390/kernel/mcount64.S @@ -20,9 +20,6 @@ ENTRY(_mcount) ENTRY(ftrace_caller) #endif - larl %r1,function_trace_stop - icm %r1,0xf,0(%r1) - bnzr %r14 stmg %r2,%r5,32(%r15) stg %r14,112(%r15) lgr %r1,%r15 diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 834b67c4db5a..aa2df3eaeb29 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -57,7 +57,6 @@ config SUPERH32 select HAVE_FUNCTION_TRACER select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE select ARCH_WANT_IPC_PARSE_VERSION select HAVE_FUNCTION_GRAPH_TRACER diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c index 3c74f53db6db..079d70e6d74b 100644 --- a/arch/sh/kernel/ftrace.c +++ b/arch/sh/kernel/ftrace.c @@ -344,6 +344,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) struct ftrace_graph_ent trace; unsigned long return_hooker = (unsigned long)&return_to_handler; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S index 52aa2011d753..7a8572f9d58b 100644 --- a/arch/sh/lib/mcount.S +++ b/arch/sh/lib/mcount.S @@ -92,13 +92,6 @@ mcount: rts nop #else -#ifndef CONFIG_DYNAMIC_FTRACE - mov.l .Lfunction_trace_stop, r0 - mov.l @r0, r0 - tst r0, r0 - bf ftrace_stub -#endif - MCOUNT_ENTER() #ifdef CONFIG_DYNAMIC_FTRACE @@ -174,11 +167,6 @@ ftrace_graph_call: .globl ftrace_caller ftrace_caller: - mov.l .Lfunction_trace_stop, r0 - mov.l @r0, r0 - tst r0, r0 - bf ftrace_stub - MCOUNT_ENTER() .globl ftrace_call @@ -196,8 +184,6 @@ ftrace_call: #endif /* CONFIG_DYNAMIC_FTRACE */ .align 2 -.Lfunction_trace_stop: - .long function_trace_stop /* * NOTE: From here on the locations of the .Lftrace_stub label and @@ -217,12 +203,7 @@ ftrace_stub: #ifdef CONFIG_FUNCTION_GRAPH_TRACER .globl ftrace_graph_caller ftrace_graph_caller: - mov.l 2f, r0 - mov.l @r0, r0 - tst r0, r0 - bt 1f - - mov.l 3f, r1 + mov.l 2f, r1 jmp @r1 nop 1: @@ -242,8 +223,7 @@ ftrace_graph_caller: MCOUNT_LEAVE() .align 2 -2: .long function_trace_stop -3: .long skip_trace +2: .long skip_trace .Lprepare_ftrace_return: .long prepare_ftrace_return diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 407c87d9879a..4692c90936f1 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -55,7 +55,6 @@ config SPARC64 select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_GRAPH_FP_TEST - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_KRETPROBES select HAVE_KPROBES select HAVE_RCU_TABLE_FREE if SMP diff --git a/arch/sparc/lib/mcount.S b/arch/sparc/lib/mcount.S index 3ad6cbdc2163..0b0ed4d34219 100644 --- a/arch/sparc/lib/mcount.S +++ b/arch/sparc/lib/mcount.S @@ -24,10 +24,7 @@ mcount: #ifdef CONFIG_DYNAMIC_FTRACE /* Do nothing, the retl/nop below is all we need. */ #else - sethi %hi(function_trace_stop), %g1 - lduw [%g1 + %lo(function_trace_stop)], %g2 - brnz,pn %g2, 2f - sethi %hi(ftrace_trace_function), %g1 + sethi %hi(ftrace_trace_function), %g1 sethi %hi(ftrace_stub), %g2 ldx [%g1 + %lo(ftrace_trace_function)], %g1 or %g2, %lo(ftrace_stub), %g2 @@ -80,11 +77,8 @@ ftrace_stub: .globl ftrace_caller .type ftrace_caller,#function ftrace_caller: - sethi %hi(function_trace_stop), %g1 mov %i7, %g2 - lduw [%g1 + %lo(function_trace_stop)], %g1 - brnz,pn %g1, ftrace_stub - mov %fp, %g3 + mov %fp, %g3 save %sp, -176, %sp mov %g2, %o1 mov %g2, %l0 diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index 4f3006b600e3..7fcd492adbfc 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -128,7 +128,6 @@ config TILEGX select SPARSE_IRQ select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FUNCTION_GRAPH_TRACER select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD diff --git a/arch/tile/kernel/mcount_64.S b/arch/tile/kernel/mcount_64.S index 70d7bb0c4d8f..3c2b8d5e1d1a 100644 --- a/arch/tile/kernel/mcount_64.S +++ b/arch/tile/kernel/mcount_64.S @@ -77,15 +77,6 @@ STD_ENDPROC(__mcount) .align 64 STD_ENTRY(ftrace_caller) - moveli r11, hw2_last(function_trace_stop) - { shl16insli r11, r11, hw1(function_trace_stop); move r12, lr } - { shl16insli r11, r11, hw0(function_trace_stop); move lr, r10 } - ld r11, r11 - beqz r11, 1f - jrp r12 - -1: - { move r10, lr; move lr, r12 } MCOUNT_SAVE_REGS /* arg1: self return address */ @@ -119,15 +110,6 @@ STD_ENDPROC(ftrace_caller) .align 64 STD_ENTRY(__mcount) - moveli r11, hw2_last(function_trace_stop) - { shl16insli r11, r11, hw1(function_trace_stop); move r12, lr } - { shl16insli r11, r11, hw0(function_trace_stop); move lr, r10 } - ld r11, r11 - beqz r11, 1f - jrp r12 - -1: - { move r10, lr; move lr, r12 } { moveli r11, hw2_last(ftrace_trace_function) moveli r13, hw2_last(ftrace_stub) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d24887b645dc..2840c27d4479 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -54,7 +54,6 @@ config X86 select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_GRAPH_FP_TEST - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_SYSCALL_TRACEPOINTS select SYSCTL_EXCEPTION_TRACE select HAVE_KVM diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 0525a8bdf65d..e1f7fecaa7d6 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -68,6 +68,8 @@ struct dyn_arch_ftrace { int ftrace_int3_handler(struct pt_regs *regs); +#define FTRACE_GRAPH_TRAMP_ADDR FTRACE_GRAPH_ADDR + #endif /* CONFIG_DYNAMIC_FTRACE */ #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 0d0c9d4ab6d5..47c410d99f5d 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1059,9 +1059,6 @@ ENTRY(mcount) END(mcount) ENTRY(ftrace_caller) - cmpl $0, function_trace_stop - jne ftrace_stub - pushl %eax pushl %ecx pushl %edx @@ -1093,8 +1090,6 @@ END(ftrace_caller) ENTRY(ftrace_regs_caller) pushf /* push flags before compare (in cs location) */ - cmpl $0, function_trace_stop - jne ftrace_restore_flags /* * i386 does not save SS and ESP when coming from kernel. @@ -1153,7 +1148,6 @@ GLOBAL(ftrace_regs_call) popf /* Pop flags at end (no addl to corrupt flags) */ jmp ftrace_ret -ftrace_restore_flags: popf jmp ftrace_stub #else /* ! CONFIG_DYNAMIC_FTRACE */ @@ -1162,9 +1156,6 @@ ENTRY(mcount) cmpl $__PAGE_OFFSET, %esp jb ftrace_stub /* Paging not enabled yet? */ - cmpl $0, function_trace_stop - jne ftrace_stub - cmpl $ftrace_stub, ftrace_trace_function jnz trace #ifdef CONFIG_FUNCTION_GRAPH_TRACER diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index cbc4a91b131e..3386dc9aa333 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -703,6 +703,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, unsigned long return_hooker = (unsigned long) &return_to_handler; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S index c050a0153168..c73aecf10d34 100644 --- a/arch/x86/kernel/mcount_64.S +++ b/arch/x86/kernel/mcount_64.S @@ -46,10 +46,6 @@ END(function_hook) .endm ENTRY(ftrace_caller) - /* Check if tracing was disabled (quick check) */ - cmpl $0, function_trace_stop - jne ftrace_stub - ftrace_caller_setup /* regs go into 4th parameter (but make it NULL) */ movq $0, %rcx @@ -73,10 +69,6 @@ ENTRY(ftrace_regs_caller) /* Save the current flags before compare (in SS location)*/ pushfq - /* Check if tracing was disabled (quick check) */ - cmpl $0, function_trace_stop - jne ftrace_restore_flags - /* skip=8 to skip flags saved in SS */ ftrace_caller_setup 8 @@ -131,7 +123,7 @@ GLOBAL(ftrace_regs_call) popfq jmp ftrace_return -ftrace_restore_flags: + popfq jmp ftrace_stub @@ -141,9 +133,6 @@ END(ftrace_regs_caller) #else /* ! CONFIG_DYNAMIC_FTRACE */ ENTRY(function_hook) - cmpl $0, function_trace_stop - jne ftrace_stub - cmpq $ftrace_stub, ftrace_trace_function jnz trace diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index 9d2e0ffcb190..2e5652b62fd6 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -22,7 +22,7 @@ __entry->unsync = sp->unsync; #define KVM_MMU_PAGE_PRINTK() ({ \ - const char *ret = p->buffer + p->len; \ + const char *ret = trace_seq_buffer_ptr(p); \ static const char *access_str[] = { \ "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" \ }; \ diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 424f4c97a44d..6ec7910f59bf 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -165,7 +165,7 @@ static void fix_processor_context(void) * by __save_processor_state() * @ctxt - structure to load the registers contents from */ -static void __restore_processor_state(struct saved_context *ctxt) +static void notrace __restore_processor_state(struct saved_context *ctxt) { if (ctxt->misc_enable_saved) wrmsrl(MSR_IA32_MISC_ENABLE, ctxt->misc_enable); @@ -239,7 +239,7 @@ static void __restore_processor_state(struct saved_context *ctxt) } /* Needed by apm.c */ -void restore_processor_state(void) +void notrace restore_processor_state(void) { __restore_processor_state(&saved_context); } |