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    x86/ftrace, x86/asm: Kill ftrace_caller_end label · f1b92bb6
    Borislav Petkov 提交于
    One of ftrace_caller_end and ftrace_return is redundant so unify them.
    Rename ftrace_return to ftrace_epilogue to mean that everything after
    that label represents, like an afterword, work which happens *after* the
    ftrace call, e.g., the function graph tracer for one.
    
    Steve wants this to rather mean "[a]n event which reflects meaningfully
    on a recently ended conflict or struggle." I can imagine that ftrace can
    be a struggle sometimes.
    
    Anyway, beef up the comment about the code contents and layout before
    ftrace_epilogue label.
    Signed-off-by: NBorislav Petkov <bp@suse.de>
    Reviewed-by: NSteven Rostedt <rostedt@goodmis.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Brian Gerst <brgerst@gmail.com>
    Cc: Denys Vlasenko <dvlasenk@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Link: http://lkml.kernel.org/r/1455612202-14414-4-git-send-email-bp@alien8.deSigned-off-by: NIngo Molnar <mingo@kernel.org>
    f1b92bb6
ftrace.c 24.1 KB