linux-kernel - [PATCH 09/13] perf tools: Compile dwarf-regs.c if CONFIG_BPF

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Message-ID: <1447675815-166222-10-git-send-email-wangnan0@huawei.com>
Date:	Mon, 16 Nov 2015 12:10:11 +0000
From:	Wang Nan <wangnan0@...wei.com>
To:	<acme@...nel.org>, <masami.hiramatsu.pt@...achi.com>,
	<ast@...nel.org>
CC:	<lizefan@...wei.com>, <pi3orama@....com>,
	<linux-kernel@...r.kernel.org>, Wang Nan <wangnan0@...wei.com>,
	He Kuang <hekuang@...wei.com>,
	"Arnaldo Carvalho de Melo" <acme@...hat.com>
Subject: [PATCH 09/13] perf tools: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on

regs_query_register_offset() in dwarf-regs.c is required by BPF prologue.
This patch compiles it if CONFIG_BPF_PROLOGUE is on to avoid buildin
failure when CONFIG_BPF_PROLOGUE is on but CONFIG_DWARF is not set.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Signed-off-by: He Kuang <hekuang@...wei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
---
 tools/perf/arch/x86/util/Build | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build
index ff63649..4659703 100644
--- a/tools/perf/arch/x86/util/Build
+++ b/tools/perf/arch/x86/util/Build
@@ -5,6 +5,7 @@ libperf-y += kvm-stat.o
 libperf-y += perf_regs.o
 
 libperf-$(CONFIG_DWARF) += dwarf-regs.o
+libperf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
 
 libperf-$(CONFIG_LIBUNWIND)          += unwind-libunwind.o
 libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
-- 
1.8.3.4

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