Adding linux-mips@xxxxxxxxxxxxxx. -- Steve On Thu, 26 Jun 2014 12:52:42 -0400 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > From: "Steven Rostedt (Red Hat)" <rostedt@xxxxxxxxxxx> > > Nothing sets function_trace_stop to disable function tracing anymore. > Remove the check for it in the arch code. > > [ Please test this on your arch ] > > Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> > --- > arch/mips/Kconfig | 1 - > arch/mips/kernel/mcount.S | 7 ------- > 2 files changed, 8 deletions(-) > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 7a469acee33c..9ca52987fcd5 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/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
