Messages in this thread | | | Date | Tue, 3 Jul 2007 23:47:06 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [RFC PATCH 2/3] Generic Trace Setup and Control (GTSC) code |
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* Tom Zanussi (zanussi@us.ibm.com) wrote: > The Generic Tracing and Control Interface (GTSC) code. > > Signed-off-by: Tom Zanussi <zanussi@us.ibm.com> > Signed-off-by: David Wilder <dwilder@us.ibm.com> > --- > include/linux/gtsc.h | 104 +++++++++ > lib/Kconfig | 10 > lib/Makefile | 2 > lib/gtsc.c | 558 +++++++++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 674 insertions(+) > .... > +static ssize_t reset_consumed_write(struct file *filp, > + const char __user *buffer, > + size_t count, > + loff_t *ppos) > +{ > + struct trace_info *trace = filp->private_data; > + > + relay_reset_consumed(trace->rchan); > + > + return count; > +} > + > +struct file_operations reset_consumed_fops = { > + .owner = THIS_MODULE, > + .open = reset_consumed_open, > + .write = reset_consumed_write > +}; > +
Quoting the header of relay_reset_consumed:
+ * NOTE: Care should be taken that the channel isn't actually + * being used by anything when this call is made.
I can imagine relay saying "locking is not my problem", while GTSC whistle and looks away... ;)
-- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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