From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f52.google.com (mail-qv1-f52.google.com [209.85.219.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B90B13B590 for ; Fri, 11 Jul 2025 22:13:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752272022; cv=none; b=i0hwKTH4T0IsgPsbVXtkPAYpFZyZjsd+isWlQzAurZ2NB4cYHCFyYeadp9tS5FTFOS+NuddgCWCpBfjLIvJ4AtS8yrwHbKGER7Ml/uNveKqAExQRXF2Gw45LGRRWX/E2Tem/q2GymCKAsjikt4DN6AQBD898ATJyNgEVYjS76EU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752272022; c=relaxed/simple; bh=DV/Vih/DO7F+zd/SpqjFtPvKmIS6pOWu9mI2t3TLKL8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Okbq++drwHEm5zNMOpEUxpakFBqfLj+PTP+foPTWva4HfBYrKrgmI/ThEcRQgooigZ4CMmaPHiDfVFNRSGv0maPd1nocvGFXZHU4dRKRp/CASaBo60CYI8LCu4KfZ+nd+3i6feq8F1/QdkqtWp6eMCzgRTeX2QDXqdGZtEydXDA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Oj0ZnnpU; arc=none smtp.client-ip=209.85.219.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Oj0ZnnpU" Received: by mail-qv1-f52.google.com with SMTP id 6a1803df08f44-6fac7147cb8so36244586d6.1 for ; Fri, 11 Jul 2025 15:13:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752272020; x=1752876820; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:feedback-id:from:to:cc:subject:date :message-id:reply-to; bh=jh0vMNxlPOeSMOhUf/BXn4w6B7Y4VFUfXRXP3fqqHI8=; b=Oj0ZnnpUtbreJJcYwMeANK2K1eY/A7HNzz51i7SFXkr1vQ4JemDQ0LBzuoX3HDI3b9 8LqFmAKrzq4z0uSK2uvD6Nb3sznzqFNhmEeeTa29+FQOhplTBTbHD9q3WWxTc2UKDZds aGPZOqf+uvsudtmCmPQCJR+k7cr72Uhq1UY4Vem+zkaEwCdTCymQJTrCRMm8CNLWHLgW 7zZWRw+uZq5I0x+N5++AzXlsCOLCUTR8mfNumQNF3PCOdsarl3xgQyEUmf3wMzkA0VGH fANTXN3OyPdscrNw9YKWoCSoSk4IBVpY2r7hnvYxw5ev9M9IdwvAcjS0BdTmboBz6tNo msOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752272020; x=1752876820; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:feedback-id:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jh0vMNxlPOeSMOhUf/BXn4w6B7Y4VFUfXRXP3fqqHI8=; b=blKQIdts9oIx3BizY79q41NwouWWE1gqPu3HA3RhsQXq16yWl6sYGSH3LYElC7iXgV 2YCLVWxX5fteacY8l+TAqbrsXgdCok6LlTrlGKrwoQzhdpz7iQ9lIJkZhFjhMnU3P+KO Bd3bJ4UMlb8NtXlQYD2MT1F+1PBkV0bCcxq97n3xI0Bq4MhgA6I3iAY9VGo4n1oNSyJL TFyNbGk0nlh83zEfx/59RnuMaojTE/TTfwOJVr2GgvXEUxAtTdQfc+BGqkxXxlDZdS45 Chqlw1nco5SblM8FOBaZJyzRxwSrmmYt1kSODLpJ6yArpMBGV7JRJaWMmD0iaoomklXK /oow== X-Forwarded-Encrypted: i=1; AJvYcCU5ePlpZYkZdbjlqNyPN1tfo8fmP/kkJv542e9XCEAWP2QsR3w24hsqcb+PRjECQpdTH6aHz3/SgwMy3Iw=@vger.kernel.org X-Gm-Message-State: AOJu0YzNxEcD8f6qloVoj8ztN3iREPi3rWpFPsuO8tCYcZSFtLyWhYEX 17fFG8vZZcd+PtGLseFj+QZj5PVarzW4xXw+C0JrkZfaFai4EmLr+wb2 X-Gm-Gg: ASbGncuNxI1pS5y3e73QB9umuqQPXgQZeaWJ9QouuPLSYlxgA0dMtClUeSyt9qS83Sn xlgyEabgsi3aTtx9KiHsb2oENlt5ZfXEdpMRUKXrhDsqDfyTmsMYFWl3u7pLnMd2sKqafYNncKk mZMv6fD6u92PYgYC2YVx3trtJaB4jEVogJAHu9hKaEF2Z5y6FNIinISNA2MolLQx9nz9RPtE/lS lXFguI3s/TJidnByWnT3QdqD9ld4eRgTN8aNEv8gapr6pIigO4Qp6+clImBsWHxsJA1NqhaMGTs ywNpRvfMSW/5c9Yn1rPI5QeJzA6akX48d5Byhf+moyCE+yZVd6mDcnIgDvfSwRqEv+LGxmoJDRa s2iHpyayZLnIibUHa9jqab/xeixkdO0bPl4r+oRF0ie0H0f8ZWJ2vjMNVI2xov8BAMAuBWtTcJV SOw+gXuE0mczWg X-Google-Smtp-Source: AGHT+IG/5ZvbPKKY1+QnoEFUnpHg8GPFGq1MEgCqaFVOkk+r70cYHjelvIp8ZaBRKymAqBOgsvf6BQ== X-Received: by 2002:a05:6214:e6c:b0:704:761a:13d3 with SMTP id 6a1803df08f44-704a36114c6mr91549826d6.32.1752272019895; Fri, 11 Jul 2025 15:13:39 -0700 (PDT) Received: from fauth-a2-smtp.messagingengine.com (fauth-a2-smtp.messagingengine.com. [103.168.172.201]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7dcd8ef047fsm266824085a.0.2025.07.11.15.13.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jul 2025 15:13:39 -0700 (PDT) Received: from phl-compute-01.internal (phl-compute-01.phl.internal [10.202.2.41]) by mailfauth.phl.internal (Postfix) with ESMTP id E712FF40066; Fri, 11 Jul 2025 18:13:38 -0400 (EDT) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-01.internal (MEProxy); Fri, 11 Jul 2025 18:13:38 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgdeggeegkecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpeffhffvvefukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeeuohhquhhnucfh vghnghcuoegsohhquhhnrdhfvghnghesghhmrghilhdrtghomheqnecuggftrfgrthhtvg hrnhephedugfduffffteeutddvheeuveelvdfhleelieevtdeguefhgeeuveeiudffiedv necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepsghoqh hunhdomhgvshhmthhprghuthhhphgvrhhsohhnrghlihhthidqieelvdeghedtieegqddu jeejkeehheehvddqsghoqhhunhdrfhgvnhhgpeepghhmrghilhdrtghomhesfhhigihmvg drnhgrmhgvpdhnsggprhgtphhtthhopeduvddpmhhouggvpehsmhhtphhouhhtpdhrtghp thhtoheprghnughrihihrdhshhgvvhgthhgvnhhkoheslhhinhhugidrihhnthgvlhdrtg homhdprhgtphhtthhopegrrhhnugeskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepphgv thgvrhiisehinhhfrhgruggvrggurdhorhhgpdhrtghpthhtohepmhhinhhgohesrhgvug hhrghtrdgtohhmpdhrtghpthhtohepfihilhhlsehkvghrnhgvlhdrohhrghdprhgtphht thhopehkrhiihihsiihtohhfrdhkohiilhhofihskhhisehlihhnrghrohdrohhrghdprh gtphhtthhopegrrhhnugesrghrnhgusgdruggvpdhrtghpthhtoheplhhonhhgmhgrnhes rhgvughhrghtrdgtohhmpdhrtghpthhtoheptghmlhhlrghmrghssehgohhoghhlvgdrtg homh X-ME-Proxy: Feedback-ID: iad51458e:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 11 Jul 2025 18:13:38 -0400 (EDT) Date: Fri, 11 Jul 2025 15:13:37 -0700 From: Boqun Feng To: Andy Shevchenko Cc: Arnd Bergmann , Peter Zijlstra , Ingo Molnar , Will Deacon , Krzysztof Kozlowski , Arnd Bergmann , Waiman Long , Carlos Llamas , Ying Huang , linux-kernel@vger.kernel.org Subject: Re: [PATCH 06/10] [RESEND] lockdep: change 'static const' variables to enum values Message-ID: References: <20250409122131.2766719-1-arnd@kernel.org> <20250409122314.2848028-1-arnd@kernel.org> <20250409122314.2848028-6-arnd@kernel.org> 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=us-ascii Content-Disposition: inline In-Reply-To: On Fri, May 02, 2025 at 05:02:54PM +0300, Andy Shevchenko wrote: > On Wed, Apr 09, 2025 at 02:22:58PM +0200, Arnd Bergmann wrote: > > From: Arnd Bergmann > > > > gcc warns about 'static const' variables even in headers when building > > with -Wunused-const-variables enabled: > > > > In file included from kernel/locking/lockdep_proc.c:25: > > kernel/locking/lockdep_internals.h:69:28: error: 'LOCKF_USED_IN_IRQ_READ' defined but not used [-Werror=unused-const-variable=] > > 69 | static const unsigned long LOCKF_USED_IN_IRQ_READ = > > | ^~~~~~~~~~~~~~~~~~~~~~ > > kernel/locking/lockdep_internals.h:63:28: error: 'LOCKF_ENABLED_IRQ_READ' defined but not used [-Werror=unused-const-variable=] > > 63 | static const unsigned long LOCKF_ENABLED_IRQ_READ = > > | ^~~~~~~~~~~~~~~~~~~~~~ > > kernel/locking/lockdep_internals.h:57:28: error: 'LOCKF_USED_IN_IRQ' defined but not used [-Werror=unused-const-variable=] > > 57 | static const unsigned long LOCKF_USED_IN_IRQ = > > | ^~~~~~~~~~~~~~~~~ > > kernel/locking/lockdep_internals.h:51:28: error: 'LOCKF_ENABLED_IRQ' defined but not used [-Werror=unused-const-variable=] > > 51 | static const unsigned long LOCKF_ENABLED_IRQ = > > | ^~~~~~~~~~~~~~~~~ > > > > This one is easy to avoid by changing the generated constant definition > > into an equivalent enum. > > Any news here, please? The problem still exists in v6.15-rc4. > Queued for v6.17, thanks! Regards, Boqun > -- > With Best Regards, > Andy Shevchenko > >