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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 19:40:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 19:40:37 -0800 |
| commit | f8ef15d6b9d8e38729cd740a43919adf88468119 (patch) | |
| tree | f950b0342b8ae7ad0a11477cdf669015fc85366e /arch/x86/include | |
| parent | 6515925b8259549b7f2187e25d3260306e3e85e5 (diff) | |
| parent | ff1fb5f6b4925a536ffb8171e5f2dbd01ccfeb97 (diff) | |
| download | lwn-f8ef15d6b9d8e38729cd740a43919adf88468119.tar.gz lwn-f8ef15d6b9d8e38729cd740a43919adf88468119.zip | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Add Intel IvyBridge event scheduling constraints
ftrace: Call ftrace cleanup module notifier after all other notifiers
tracing/syscalls: Allow archs to ignore tracing compat syscalls
Diffstat (limited to 'arch/x86/include')
| -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 86cb51e1ca96..0525a8bdf65d 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 2d946e63ee82..2cd056e3ada3 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 { |