linux-kernel - [tip:perf/urgent] perf test: Fix vmlinux failure on s390x part 2

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Message-ID: <tip-v101o8k25vuja2ogosgf15yy@git.kernel.org>
Date:   Fri, 29 Sep 2017 13:06:18 -0700
From:   tip-bot for Thomas Richter <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, hpa@...or.com, brueckner@...ux.vnet.ibm.com,
        mingo@...nel.org, tmricht@...ux.vnet.ibm.com,
        zvonko.kosic@...ibm.com, acme@...hat.com,
        linux-kernel@...r.kernel.org
Subject: [tip:perf/urgent] perf test: Fix vmlinux failure on s390x part 2

Commit-ID:  5357413f5c067f60933e4b8d79d483fbe62b2bb5
Gitweb:     https://git.kernel.org/tip/5357413f5c067f60933e4b8d79d483fbe62b2bb5
Author:     Thomas Richter <tmricht@...ux.vnet.ibm.com>
AuthorDate: Fri, 15 Sep 2017 09:14:04 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 28 Sep 2017 13:01:42 -0300

perf test: Fix vmlinux failure on s390x part 2

On s390x perf test 1 failed. It turned out that commit cf6383f73cf2
("perf report: Fix kernel symbol adjustment for s390x") was incorrect.

The previous implementation in dso__load_sym() is also suitable for
s390x.

Therefore this patch undoes commit cf6383f73cf2

Signed-off-by: Thomas-Mich Richter <tmricht@...ux.vnet.ibm.com>
Cc: Zvonko Kosic <zvonko.kosic@...ibm.com>
Cc: Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
Fixes: cf6383f73cf2 ("perf report: Fix kernel symbol adjustment for s390x")
LPU-Reference: 20170915071404.58398-2-tmricht@...ux.vnet.ibm.com
Link: http://lkml.kernel.org/n/tip-v101o8k25vuja2ogosgf15yy@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/arch/s390/util/Build          |  1 -
 tools/perf/arch/s390/util/sym-handling.c | 21 ---------------------
 2 files changed, 22 deletions(-)

diff --git a/tools/perf/arch/s390/util/Build b/tools/perf/arch/s390/util/Build
index bd518b6..5bd7b92 100644
--- a/tools/perf/arch/s390/util/Build
+++ b/tools/perf/arch/s390/util/Build
@@ -1,5 +1,4 @@
 libperf-y += header.o
-libperf-y += sym-handling.o
 libperf-y += kvm-stat.o
 
 libperf-$(CONFIG_DWARF) += dwarf-regs.o
diff --git a/tools/perf/arch/s390/util/sym-handling.c b/tools/perf/arch/s390/util/sym-handling.c
deleted file mode 100644
index 581d4c5..0000000
--- a/tools/perf/arch/s390/util/sym-handling.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Architecture specific ELF symbol handling and relocation mapping.
- *
- * Copyright 2017 IBM Corp.
- * Author(s): Thomas Richter <tmricht@...ux.vnet.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (version 2 only)
- * as published by the Free Software Foundation.
- */
-
-#include "symbol.h"
-
-#ifdef HAVE_LIBELF_SUPPORT
-bool elf__needs_adjust_symbols(GElf_Ehdr ehdr)
-{
-	if (ehdr.e_type == ET_EXEC)
-		return false;
-	return ehdr.e_type == ET_REL || ehdr.e_type == ET_DYN;
-}
-#endif