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Date: Sat, 29 Nov 2008 10:16:47 +0100 From: Ingo Molnar <mingo@...e.hu> To: Frederic Weisbecker <fweisbec@...il.com> Cc: Alexey Dobriyan <adobriyan@...il.com>, Steven Rostedt <rostedt@...dmis.org>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] tracing/branch-tracer: include missing irqflags.h * Frederic Weisbecker <fweisbec@...il.com> wrote: > Impact: fix build error on branch tracer > > This should fix a build error reported on alpha in linux-next: > > CC kernel/trace/trace_branch.o > kernel/trace/trace_branch.c: In function 'probe_likely_condition': > kernel/trace/trace_branch.c:44: error: implicit declaration of function 'raw_local_irq_save' > kernel/trace/trace_branch.c:76: error: implicit declaration of function 'raw_local_irq_restore' applied to tip/tracing > Unfortunately, I can't test it since I don't have any Alpha build > environment. it does not trigger with an Alpha defconfig - we do test that. And the thing is, lockdep (which introduced irqflags tracing) has been introduced upstream two years ago - and Alpha still does not have it implemented. The architecture should be marked CONFIG_BROKEN if it continues to cause problems like this. Alexey, you seem to be using and relying on the Alpha architecture, could you please have a shot at this and implement the missing irqflags infrastructure? Thanks, Ingo -- 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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