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Date: Tue, 17 Jan 2012 08:32:25 -0500 From: Steven Rostedt <rostedt@...dmis.org> To: Ingo Molnar <mingo@...e.hu> Cc: LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Frederic Weisbecker <fweisbec@...il.com> Subject: Re: [PATCH][GIT PULL][v3.3] tracing: Add header wrappers event_headers_start.h and event_headers_end.h On Tue, 2012-01-17 at 10:54 +0100, Ingo Molnar wrote: > * Steven Rostedt <rostedt@...dmis.org> wrote: > > Hm, i don't really like the extra complexity - this code > *really* does not need any more complexity ... I agree. > > How about the low-tech solution of adding some text between > '/* */' markers to warns that these headers should not be > included in ordinary headers? The problem is that they currently are. For example: include/linux/interrupt.h has one to add a tracepoint in __raise_softirq_irqoff() Which is fine, as long as no other tracepoint header includes linux/interrupt.h. There's also one in module.h. > > The build error will pinpoint the bug anyway, it's not like the > kernel can be broken in any dangerous way. OK, I'll put away these patches. For now we can try to keep all tracepoints out of header files as much as possible. They really shouldn't be in static inline functions anyway, because they tend to bloat the kernel, as we saw when it was included in slab_def.h -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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