• Steven Rostedt (Red Hat)'s avatar
    tracing: Remove duplicate checks for online CPUs · 633f6f58
    Steven Rostedt (Red Hat) authored
    Some trace events have conditions that check if the current CPU is online or
    not before recording the tracepoint. That's because certain trace events are
    in locations that can be called as the CPU is going offline and when RCU no
    longer monitors it (like kfree and friends). The check was added because
    trace events require RCU to be active.
    This is a trace event infrastructure issue and not something that individual
    trace events should worry about. The tracepoint.h code now has added a check
    to see if the current CPU is considered online, and it only does the
    tracepoint if it is. There's no more need for individual trace events to
    also include this check. It is now redundant.
    Cc: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
    Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
tlb.h 1.37 KB