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Message-Id: <20220607165006.563021102@linuxfoundation.org>
Date: Tue, 7 Jun 2022 19:03:10 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
Heiko Carstens <hca@...ux.ibm.com>,
Ian Rogers <irogers@...gle.com>,
Ilya Leoshkevich <iii@...ux.ibm.com>,
Sumanth Korikkar <sumanthk@...ux.ibm.com>,
Sven Schnelle <svens@...ux.ibm.com>,
Thomas Richter <tmricht@...ux.ibm.com>,
Vasily Gorbik <gor@...ux.ibm.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 598/772] perf build: Fix btf__load_from_kernel_by_id() feature check
From: Jiri Olsa <jolsa@...nel.org>
[ Upstream commit 73534617dfa3c4cd95fe5ffaeff5315e9ffc2de6 ]
The btf__load_from_kernel_by_id() only takes one arg, not two.
Committer notes:
I tested it just with an older libbpf, one where
btf__load_from_kernel_by_id() wasn't introduced yet.
A test with a newer dynamic libbpf would fail because the
btf__load_from_kernel_by_id() is there, but takes just one arg.
Fixes: 0ae065a5d265bc5a ("perf build: Fix check for btf__load_from_kernel_by_id() in libbpf")
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Heiko Carstens <hca@...ux.ibm.com>
Cc: Ian Rogers <irogers@...gle.com>
Cc: Ilya Leoshkevich <iii@...ux.ibm.com>
Cc: Sumanth Korikkar <sumanthk@...ux.ibm.com>
Cc: Sven Schnelle <svens@...ux.ibm.com>
Cc: Thomas Richter <tmricht@...ux.ibm.com>
Cc: Vasily Gorbik <gor@...ux.ibm.com>
Link: http://lore.kernel.org/linux-perf-users/YozLKby7ITEtchC9@krava
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
.../build/feature/test-libbpf-btf__load_from_kernel_by_id.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c b/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c
index f7c084428735..a17647f7d5a4 100644
--- a/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c
+++ b/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
-#include <bpf/libbpf.h>
+#include <bpf/btf.h>
int main(void)
{
- return btf__load_from_kernel_by_id(20151128, NULL);
+ btf__load_from_kernel_by_id(20151128);
+ return 0;
}
--
2.35.1
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