diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/Kconfig | 1 | ||||
| -rw-r--r-- | arch/s390/kernel/mcount.S | 10 | ||||
| -rw-r--r-- | arch/s390/kernel/mcount64.S | 3 |
3 files changed, 3 insertions, 11 deletions
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 |