From: Francis Laniel <flaniel@linux.microsoft.com>
To: bpf@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
Francis Laniel <flaniel@linux.microsoft.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Joanne Koong <joannelkoong@gmail.com>,
Dave Marchevsky <davemarchevsky@fb.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Geliang Tang <geliang.tang@suse.com>,
Hengqi Chen <hengqi.chen@gmail.com>
Subject: [RFC PATCH v1 2/3] do not merge: Temporary fix for is_power_of_2.
Date: Wed, 10 Aug 2022 19:16:53 +0200 [thread overview]
Message-ID: <20220810171702.74932-3-flaniel@linux.microsoft.com> (raw)
In-Reply-To: <20220810171702.74932-1-flaniel@linux.microsoft.com>
Signed-off-by: Francis Laniel <flaniel@linux.microsoft.com>
---
tools/lib/bpf/libbpf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index e89cc9c885b3..5d0e997c85ea 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -4945,7 +4945,7 @@ static void bpf_map__destroy(struct bpf_map *map);
static bool is_pow_of_2(size_t x)
{
- return x && (x & (x - 1));
+ return x && (x & (x - 1)) == 0;
}
static size_t adjust_ringbuf_sz(size_t sz)
--
2.25.1
next prev parent reply other threads:[~2022-08-10 17:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-10 17:16 [RFC PATCH v1 0/3] Make BPF ring buffer over writable Francis Laniel
2022-08-10 17:16 ` [RFC PATCH v1 1/3] bpf: Make ring buffer overwritable Francis Laniel
2022-08-15 21:52 ` Andrii Nakryiko
2022-08-16 10:23 ` Francis Laniel
2022-08-16 12:28 ` Alban Crequy
2022-08-10 17:16 ` Francis Laniel [this message]
2022-08-10 17:16 ` [RFC PATCH v1 3/3] libbpf: Make bpf " Francis Laniel
2022-08-10 17:16 ` [PATCH] for test purpose only: Add toy to play with BPF ring buffer Francis Laniel
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