linux-kernel - RE: [PATCH] perf_counter/powerpc: Fix compilation after perf_counter

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Message-ID: <928CFBE8E7CB0040959E56B4EA41A77EC69BA5E0@irsmsx504.ger.corp.intel.com>
Date:	Mon, 21 Sep 2009 08:12:12 +0100
From:	"Metzger, Markus T" <markus.t.metzger@...el.com>
To:	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"davem@...emloft.net" <davem@...emloft.net>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sachin Sant <sachinp@...ibm.com>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	"linuxppc-dev@...abs.org" <linuxppc-dev@...abs.org>
Subject: RE: [PATCH] perf_counter/powerpc: Fix compilation after
   perf_counter_overflow change

>-----Original Message-----
>From: Paul Mackerras [mailto:paulus@...ba.org]
>Sent: Monday, September 21, 2009 8:45 AM


>Markus, please take care in future to mention it in the changelog if
>your patches touch definitions used by other architectures.  If you
>could go so far as to use grep a bit more and fix up other
>architectures' callsites for the things you're changing, that would be
>very much appreciated.  Thanks.

I'm sorry I missed that.

There's one more place in arch/sparc/.
The below patch should fix it, but I have no means to test it.

Index: b/arch/sparc/kernel/perf_counter.c
===================================================================
--- a/arch/sparc/kernel/perf_counter.c
+++ b/arch/sparc/kernel/perf_counter.c
@@ -493,7 +493,6 @@ static int __kprobes perf_counter_nmi_ha
 
 	regs = args->regs;
 
-	data.regs = regs;
 	data.addr = 0;
 
 	cpuc = &__get_cpu_var(cpu_hw_counters);
@@ -513,7 +512,7 @@ static int __kprobes perf_counter_nmi_ha
 		if (!sparc_perf_counter_set_period(counter, hwc, idx))
 			continue;
 
-		if (perf_counter_overflow(counter, 1, &data))
+		if (perf_counter_overflow(counter, 1, &data, regs))
 			sparc_pmu_disable_counter(hwc, idx);
 	}


thanks and regards,
markus.

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