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authorLinus Torvalds <torvalds@linux-foundation.org>2014-07-17 07:57:33 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2014-07-17 07:57:33 -1000
commit22d368544b0ed9093a3db3ee4e00a842540fcecd (patch)
tree18eb752b93d449d00ccf8f50aaae0826afcd99f3 /drivers/xen
parentb6603fe574af289dbe9eb9fb4c540bca04f5a053 (diff)
parent97b8ee845393701edc06e27ccec2876ff9596019 (diff)
Merge tag 'trace-fixes-v3.16-rc5-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt: "A few more fixes for ftrace infrastructure. I was cleaning out my INBOX and found two fixes from zhangwei from a year ago that were lost in my mail. These fix an inconsistency between trace_puts() and the way trace_printk() works. The reason this is important to fix is because when trace_printk() doesn't have any arguments, it turns into a trace_puts(). Not being able to enable a stack trace against trace_printk() because it does not have any arguments is quite confusing. Also, the fix is rather trivial and low risk. While porting some changes to PowerPC I discovered that it still has the function graph tracer filter bug that if you also enable stack tracing the function graph tracer filter is ignored. I fixed that up. Finally, Martin Lau, fixed a bug that would cause readers of the ftrace ring buffer to block forever even though it was suppose to be NONBLOCK" This also includes the fix from an earlier pull request: "Oleg Nesterov fixed a memory leak that happens if a user creates a tracing instance, sets up a filter in an event, and then removes that instance. The filter allocates memory that is never freed when the instance is destroyed" * tag 'trace-fixes-v3.16-rc5-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ring-buffer: Fix polling on trace_pipe tracing: Add TRACE_ITER_PRINTK flag check in __trace_puts/__trace_bputs tracing: Fix graph tracer with stack tracer on other archs tracing: Add ftrace_trace_stack into __trace_puts/__trace_bputs tracing: instance_rmdir() leaks ftrace_event_file->filter
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