From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.smtp-ext.broadcom.com (lpdvsmtp10.broadcom.com [192.19.144.205]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 648453E1683; Thu, 1 Oct 2026 16:01:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.19.144.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790870491; cv=none; b=qMfDM4pXKEmcGmXyeuZM1vuRy+yErq3K0pV+tuio2Dm2k0ZG8e/8aAGS/PDOH9E3FbIUWiVW2fz2TgDxGgctWXiCJ6GRcHZOh1fge0y8bJ87g6iafgNmULfS6H8xcLNVPEeC+j+aczPbTnBWGTwojlglI2vN6hsjmOB3fbtP4HY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790870491; c=relaxed/simple; bh=mrg825sJxux0Z7hDauCsC8TPRLfAMnT5ORicb/TqQd0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=QbSt07smZwW2iWwijEjLWsYsHXjURtT/zGrJNqlHD3CrQFwApQ2dfZSWsC21S+8McWR5AaDABUOQa/3i2IraNB3/7x99vVM9rBn+wcjn93RF2AgIh/uXunzC9Tl58fNdwhUYxAvS/YLCPjzM+1RZmEq90Jp+PSt9a9tXy70oevQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=ET1J7QWZ; arc=none smtp.client-ip=192.19.144.205 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="ET1J7QWZ" Received: from mail-acc-it-01.broadcom.com (mail-acc-it-01.acc.broadcom.net [10.35.36.83]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id 209CAC0000F7; Thu, 1 Oct 2026 09:01:22 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 209CAC0000F7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1790870482; bh=mrg825sJxux0Z7hDauCsC8TPRLfAMnT5ORicb/TqQd0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ET1J7QWZc2ybS/PIE3ku007veWI8KK9atAq2Yn6oa8j8vfZCGUZPGhPKNcCbbIFMI lUz/DALxa3lvkn3yI5b+Zp7dbjg8DjRnXJl62Gtsteybre+pzHrI5/fPAQZOZydeEp Cdo0J9JdVNXq7ywZnl2Qsl7kUbqZhlPGRXa7FB1o= Received: from stbirv-lnx-1.igp.broadcom.net (stbirv-lnx-1.igp.broadcom.net [10.67.48.32]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail-acc-it-01.broadcom.com (Postfix) with ESMTPSA id B0AEDAEA2; Thu, 1 Oct 2026 12:01:20 -0400 (EDT) From: Florian Fainelli To: stable@vger.kernel.org Cc: Arnaldo Carvalho de Melo , Adrian Hunter , Ian Rogers , Jiri Olsa , Namhyung Kim , Florian Fainelli , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , James Clark , Nick Terrell , David Sterba , Jan Polensky , Thomas Richter , linux-perf-users@vger.kernel.org (open list:PERFORMANCE EVENTS SUBSYSTEM), linux-kernel@vger.kernel.org (open list:PERFORMANCE EVENTS SUBSYSTEM), bpf@vger.kernel.org (open list:BPF [MISC]:Keyword:(?:\b|_)bpf(?:\b|_)) Subject: [PATCH stable 5.10 2/2] perf test bpf: Address error about non-null argument for epoll_pwait 2nd arg Date: Thu, 1 Oct 2026 09:01:14 -0700 Message-Id: <20261001160114.801948-3-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261001160114.801948-1-florian.fainelli@broadcom.com> References: <20261001160114.801948-1-florian.fainelli@broadcom.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Arnaldo Carvalho de Melo commit ed847e30f001b207013b6136c264454d7560557f upstream. First noticed on Fedora Rawhide: tests/bpf.c: In function ‘epoll_pwait_loop’: tests/bpf.c:36:17: error: argument 2 null where non-null expected [-Werror=nonnull] 36 | epoll_pwait(-(i + 1), NULL, 0, 0, NULL); | ^~~~~~~~~~~ In file included from tests/bpf.c:5: /usr/include/sys/epoll.h:134:12: note: in a call to function ‘epoll_pwait’ declared ‘nonnull’ 134 | extern int epoll_pwait (int __epfd, struct epoll_event *__events, | ^~~~~~~~~~~ [perfbuilder@27cfe44d67ed perf-6.5.0-rc2]$ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-redhat-linux Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,m2,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl=/builddir/build/BUILD/gcc-13.2.1-20230728/obj-x86_64-redhat-linux/isl-install --enable-offload-targets=nvptx-none --without-cuda-driver --enable-offload-defaulted --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux --with-build-config=bootstrap-lto --enable-link-serialization=1 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.2.1 20230728 (Red Hat 13.2.1-1) (GCC) [perfbuilder@27cfe44d67ed perf-6.5.0-rc2]$ Just add that argument to address this compiler warning. Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lore.kernel.org/lkml/ZMj8+bvN86D0ZKiB@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Florian Fainelli --- tools/perf/tests/bpf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index e5832b74a845..96467311b1fe 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -29,11 +29,12 @@ static int epoll_pwait_loop(void) { + struct epoll_event events; int i; /* Should fail NR_ITERS times */ for (i = 0; i < NR_ITERS; i++) - epoll_pwait(-(i + 1), NULL, 0, 0, NULL); + epoll_pwait(-(i + 1), &events, 0, 0, NULL); return 0; } -- 2.34.1