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author | Ingo Molnar <mingo@kernel.org> | 2013-02-20 10:26:21 (GMT) |
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committer | Ingo Molnar <mingo@kernel.org> | 2013-02-20 10:26:21 (GMT) |
commit | ff1fb5f6b4925a536ffb8171e5f2dbd01ccfeb97 (patch) | |
tree | a88ff0074d2ff11fa71e653c2e74d6a47440975e /arch | |
parent | 69943182bb9e19e4b60ea5033f683ec1af1703a9 (diff) | |
parent | 8c189ea64eea01ca20d102ddb74d6936dd16c579 (diff) | |
download | linux-fsl-qoriq-ff1fb5f6b4925a536ffb8171e5f2dbd01ccfeb97.tar.xz |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent
Pull two fixes from Steven Rostedt.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/include/asm/ftrace.h | 24 | ||||
-rw-r--r-- | arch/x86/include/asm/thread_info.h | 1 |
2 files changed, 24 insertions, 1 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 86cb51e..0525a8b 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -72,4 +72,28 @@ int ftrace_int3_handler(struct pt_regs *regs); #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ + +#if !defined(__ASSEMBLY__) && !defined(COMPILE_OFFSETS) + +#if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_IA32_EMULATION) +#include <asm/compat.h> + +/* + * Because ia32 syscalls do not map to x86_64 syscall numbers + * this screws up the trace output when tracing a ia32 task. + * Instead of reporting bogus syscalls, just do not trace them. + * + * If the user realy wants these, then they should use the + * raw syscall tracepoints with filtering. + */ +#define ARCH_TRACE_IGNORE_COMPAT_SYSCALLS 1 +static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs) +{ + if (is_compat_task()) + return true; + return false; +} +#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_IA32_EMULATION */ +#endif /* !__ASSEMBLY__ && !COMPILE_OFFSETS */ + #endif /* _ASM_X86_FTRACE_H */ diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 2d946e6..2cd056e 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -20,7 +20,6 @@ struct task_struct; struct exec_domain; #include <asm/processor.h> -#include <asm/ftrace.h> #include <linux/atomic.h> struct thread_info { |