linux-kernel - [PATCH 1/5] perf tools: Remove condition in machine__get_kernel_start

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Message-Id: <0a81645dd0b384a12cb4f962cf193ef8c3ce2010.1386197481.git.yangds.fnst@cn.fujitsu.com>
Date:	Wed, 4 Dec 2013 17:56:39 -0500
From:	Dongsheng Yang <yangds.fnst@...fujitsu.com>
To:	dsahern@...il.com, jolsa@...hat.com, acme@...stprotocols.net,
	mingo@...hat.com, a.p.zijlstra@...llo.nl, paulus@...ba.org
Cc:	linux-kernel@...r.kernel.org,
	Dongsheng Yang <yangds.fnst@...fujitsu.com>
Subject: [PATCH 1/5] perf tools: Remove condition in machine__get_kernel_start_addr.

In machine__get_kernel_start_addr, the code, which is
using machine->root_dir to build filename, works for both
host and guests initialized from guestmount. So this patch
remove the branch for machine__is_host.

Signed-off-by: Dongsheng Yang <yangds.fnst@...fujitsu.com>
---
 tools/perf/util/machine.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 84cdb07..bac817a 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -502,15 +502,11 @@ static u64 machine__get_kernel_start_addr(struct machine *machine)
 	char path[PATH_MAX];
 	struct process_args args;
 
-	if (machine__is_host(machine)) {
-		filename = "/proc/kallsyms";
-	} else {
-		if (machine__is_default_guest(machine))
-			filename = (char *)symbol_conf.default_guest_kallsyms;
-		else {
-			sprintf(path, "%s/proc/kallsyms", machine->root_dir);
-			filename = path;
-		}
+	if (machine__is_default_guest(machine))
+		filename = (char *)symbol_conf.default_guest_kallsyms;
+	else {
+		sprintf(path, "%s/proc/kallsyms", machine->root_dir);
+		filename = path;
 	}
 
 	if (symbol__restricted_filename(filename, "/proc/kallsyms"))
-- 
1.8.2.1

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