From nobody Mon Feb 9 09:33:06 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 03ACF1A5B9D; Tue, 6 Jan 2026 15:31:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767713462; cv=none; b=b8I/PU59+Uuo4q0z7bEVnw+Wik5JW/wNNFas6CcGYNdHhCq4ENqey087cuCR5JTmsU/faDRoWqYInW9cxbqe1PihfJGcZZ2gaf3XFxAz78gaPrNUnqBnXdgPZYSH8dZiFhSxy9lXe2hVcb6uFT30TGrPsMr6OmRIhCZRhXWN3Fs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767713462; c=relaxed/simple; bh=Ftnl5LVPPN6ORFYr81+xWYq9lMzP+BFzLbdgRYxmtxY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=k8qzznpdslK9ydlE9NcpnTW2FwdOsmmNN/EYMs/cA17H/zjzavWWmxXpRRLy/knP1fc+RyHvD/rFf4vopbbkSY13BZNMM/XaB0u+0gOwTKb4VgM5Bdf4ANA5XgPoANCxifzYv/qtdxpPZij8GCGgaUIHTSpgm21HKoSIrrg/5VE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DaWOxjUH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DaWOxjUH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 644BAC16AAE; Tue, 6 Jan 2026 15:31:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767713461; bh=Ftnl5LVPPN6ORFYr81+xWYq9lMzP+BFzLbdgRYxmtxY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=DaWOxjUHmjqvqMaixUbw1q15C3qspuNcmWWyqZ3ZbOz3W8QfJO1TRU4aavNbAP9/Y tnJ7dwcaPa1GNLF9wZu2qoamAP7VbyFaepXCOv965evU0oAJKCzJvSlFY2z9lBxHBW iWJgknTZe8buY3QM6/r7XsNbKFRduWYjwTIFOL5ZGStNb4fOfF9HQ0kXd5KFb3G9C4 WMw/YZdJUtu0nkAIrfeaDgEOmRH5e2xiWjqooAc23AE9YwBkCeIAqOWUnlrrFSJdv+ wQj62LDNqiWelVkHwJ1UB4vxxZZdsHDHdS54N1bcxlk1mf6n6gKYg0/hNLOBxpMcxp nni6tQ0KZc3Og== From: Benjamin Tissoires Date: Tue, 06 Jan 2026 16:30:54 +0100 Subject: [PATCH 1/2] HID: bpf: fix bpf compilation with -fms-extensions 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: quoted-printable Message-Id: <20260106-wip-fix-bpf-compilation-v1-1-0b29c85f1157@kernel.org> References: <20260106-wip-fix-bpf-compilation-v1-0-0b29c85f1157@kernel.org> In-Reply-To: <20260106-wip-fix-bpf-compilation-v1-0-0b29c85f1157@kernel.org> To: Jiri Kosina , Shuah Khan Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Benjamin Tissoires X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767713457; l=1280; i=bentiss@kernel.org; s=20230215; h=from:subject:message-id; bh=Ftnl5LVPPN6ORFYr81+xWYq9lMzP+BFzLbdgRYxmtxY=; b=tsWRPwBI8l1cE/XFJHBMIu/GhcdyX/KvRfgT7KTqLgoCGx3TXYBbkRsSbjfk0BMAtSYqcSEh+ fgbLO1PgIk2B4fILpQc6aAy7uchyaqGXkpAe6aQ6ueVfTqJuilje4QK X-Developer-Key: i=bentiss@kernel.org; a=ed25519; pk=7D1DyAVh6ajCkuUTudt/chMuXWIJHlv2qCsRkIizvFw= Similar to commit 835a50753579 ("selftests/bpf: Add -fms-extensions to bpf build flags") and commit 639f58a0f480 ("bpftool: Fix build warnings due to MS extensions") The kernel is now built with -fms-extensions, therefore generated vmlinux.h contains types like: struct slab { .. struct freelist_counters; }; Use -fms-extensions and -Wno-microsoft-anon-tag flags to build bpf programs that #include "vmlinux.h" Signed-off-by: Benjamin Tissoires --- drivers/hid/bpf/progs/Makefile | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/hid/bpf/progs/Makefile b/drivers/hid/bpf/progs/Makefile index ec1fc642fd63..66b8f38e591d 100644 --- a/drivers/hid/bpf/progs/Makefile +++ b/drivers/hid/bpf/progs/Makefile @@ -56,8 +56,10 @@ clean: =20 %.bpf.o: %.bpf.c vmlinux.h $(BPFOBJ) | $(OUTPUT) $(call msg,BPF,$@) - $(Q)$(CLANG) -g -O2 --target=3Dbpf -Wall -Werror $(INCLUDES) \ - -c $(filter %.c,$^) -o $@ && \ + $(Q)$(CLANG) -g -O2 --target=3Dbpf -Wall -Werror $(INCLUDES) \ + -Wno-microsoft-anon-tag \ + -fms-extensions \ + -c $(filter %.c,$^) -o $@ && \ $(LLVM_STRIP) -g $@ =20 vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) --=20 2.52.0