linux-kernel - [RFC][PATCH v2 05/11] perf: x86, remove hw_perf_event

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Date:	Wed, 19 May 2010 01:46:11 +0000
From:	Lin Ming <ming.m.lin@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	"eranian@...il.com" <eranian@...il.com>,
	"Gary.Mohr@...l.com" <Gary.Mohr@...l.com>,
	"arjan@...ux.intel.com" <arjan@...ux.intel.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Paul Mackerras <paulus@...ba.org>,
	"David S. Miller" <davem@...emloft.net>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Will Deacon <will.deacon@....com>,
	Maynard Johnson <mpjohn@...ibm.com>,
	Carl Love <carll@...ibm.com>,
	"greg@...ah.com" <greg@...ah.com>,
	Kay Sievers <kay.sievers@...y.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: [RFC][PATCH v2 05/11] perf: x86, remove hw_perf_event_init

Now x86 hw_perf_event_init can be removed.

Signed-off-by: Lin Ming <ming.m.lin@...el.com>
---
 arch/x86/kernel/cpu/perf_event.c |   31 -------------------------------
 1 files changed, 0 insertions(+), 31 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index aad4221..8a3aea6 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1757,34 +1757,3 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
 
 	return misc;
 }
-
-struct pmu *hw_perf_event_init(struct perf_event *event)
-{
-	struct pmu *tmp;
-	int err;
-
-	err = __hw_perf_event_init(event);
-	if (!err) {
-		/*
-		 * we temporarily connect event to its pmu
-		 * such that validate_group() can classify
-		 * it as an x86 event using is_x86_event()
-		 */
-		tmp = event->pmu;
-		event->pmu = &pmu;
-
-		if (event->group_leader != event)
-			err = validate_group(event);
-		else
-			err = validate_event(event);
-
-		event->pmu = tmp;
-	}
-	if (err) {
-		if (event->destroy)
-			event->destroy(event);
-		return ERR_PTR(err);
-	}
-
-	return &pmu;
-}




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