From mboxrd@z Thu Jan 1 00:00:00 1970 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 C4E85492521; Sat, 28 Feb 2026 17:34:23 +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=1772300063; cv=none; b=loocchFKkmthzH0Zsob06jf0tvk41C3ZPJ4XFpHpagXNvRKPu6vORJC5iD8U4kz7WJGdckMlKkxjQC/DDG8BHisQfYeW3eZlzPTskdNGkHdt+fpZ2+CECfn9a733SJoiwEQGeTYl09aEJDO1diDhSMA3OEpob8ku5KanovFDHUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300063; c=relaxed/simple; bh=pqOKYIqpNgvGVcdU0f2NquL1lyA2LhxfoqCDro18LU0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Scp+2njp1gPyN+WObFgQgWs8U/+mLj9mNnrT7bbAA6dw4Zo6xObCT758JORg19JSDmbgaol88IVg/xMYlFaThUklyQ3tbtiacPd35gyE6VgC8w/mjmPsaQoCTcvaYHjUHXtGJMtDApU0IX3/KeIFmBL0FXvew/6+bS11908W6IA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N3S89Drt; 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="N3S89Drt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2AAAC116D0; Sat, 28 Feb 2026 17:34:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300063; bh=pqOKYIqpNgvGVcdU0f2NquL1lyA2LhxfoqCDro18LU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N3S89Drthuc0TEZZl5PbMTaV8vPLJ8pNK8eZG9o4GNPbwC1lYObWApAlTHtDvAnLw yCuZcps7uEibQA8VYD1LcmSlP9+vwA/azLEQGT31ovV9aC6HysT9Fye89I02z5fmcf TtHlUpoHrfcPQugr/IEgeeRbghIxMtF3TXsSF6LFrFZ1ls4Z+DYkrBLnRxUyZpzsBL n4O7b7nLLLtEbUNGp/jDvgBE+Gv4IeLuKWHo1YQHFkXUw9eJH2lm5GHY4xc21QaedY 8JS0/G+lunJ7kVmiU385YWNM6Ppcz9Z1u1cEYXeFRVWo+2qqOWKSVL2LoHz8HQ1LB3 IV/1kSp8GdMnw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexandre Courbot , Daniel Almeida , Viresh Kumar , Sasha Levin Subject: [PATCH 6.19 077/844] rust: cpufreq: always inline functions using build_assert with arguments Date: Sat, 28 Feb 2026 12:19:50 -0500 Message-ID: <20260228173244.1509663-78-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Alexandre Courbot [ Upstream commit 8c8b12a55614ea05953e8d695e700e6e1322a05d ] `build_assert` relies on the compiler to optimize out its error path. Functions using it with its arguments must thus always be inlined, otherwise the error path of `build_assert` might not be optimized out, triggering a build error. Signed-off-by: Alexandre Courbot Reviewed-by: Daniel Almeida Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- rust/kernel/cpufreq.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/rust/kernel/cpufreq.rs b/rust/kernel/cpufreq.rs index f968fbd228905..0879a79485f8e 100644 --- a/rust/kernel/cpufreq.rs +++ b/rust/kernel/cpufreq.rs @@ -1015,6 +1015,8 @@ impl Registration { ..pin_init::zeroed() }; + // Always inline to optimize out error path of `build_assert`. + #[inline(always)] const fn copy_name(name: &'static CStr) -> [c_char; CPUFREQ_NAME_LEN] { let src = name.to_bytes_with_nul(); let mut dst = [0; CPUFREQ_NAME_LEN]; -- 2.51.0