From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 83A4A37FF64; Wed, 8 Apr 2026 11:30:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775647805; cv=none; b=hSNDCtOaz7VMa/LAUfH6X/E5O+UsWZTF8UkfOFNdbqbv9qRHKplbwZO2UeVSlyj2ajDqyMNq5xSjrywnhenqwfHIAchjDP418dhz56JWhsqyMZOSv74Ea50hhreH59xYwV2C87KKKqoyu3ZI5cg8uy5dC64+DqIXkbgEQS9HVXQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775647805; c=relaxed/simple; bh=9oclhQnYC7G09VaWjQnm56KgPbwMb8s+YlxRrPQ96Kk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lm/Xpp52WXuCg1jCRyQ6BxKkbduX4Sxzae70BRmq/6MPhmQ8GnaYoXxiLntmyzm2SMUOB8rbZhgJZZHT2jNIn0r6epWlSHrfGCLszyyWL0BARlAej9iRxUDQSlUNaQrjlhccSpw7AQKeq2OTgUQ5HPAXtUjCl0zwcgcAuLGOHtQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=RTNRzPXb; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="RTNRzPXb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775647804; x=1807183804; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=9oclhQnYC7G09VaWjQnm56KgPbwMb8s+YlxRrPQ96Kk=; b=RTNRzPXb4T/aj99wi5OiGZawMf4bYf9Wwrxkb5V6ahZrdeM7m9a/6OkA yPaIdTPLGj2sdBp9JsMw4aSTxtsuuE+NrHtaJQ40V1BFVY9Cv8EiuBFEJ RpdvQk0OYduIazCR03F2c6RXhHF4w3Y1wCW7UuVvgPiX3V3dg8q83JzrH V2kSLaGph7Fa4R4TXZuRbPCVPsV2rfde7pRBqqTcRlnrvdgx1XdPD6dFp l0fv5omn55o6JEe1uy7fPrKy+n3gZPJCRyes9l6UH+zrBsDPrd43vMKQZ wlH0WB4KdrAmtVKo1znxhHZscT+aob6S+pErsIPm5A0YwS4PjohV2YKmc w==; X-CSE-ConnectionGUID: MTHf2SJnRsytnhlBq6ZZ1Q== X-CSE-MsgGUID: w07NzjTBQXCpidcDfR0O5Q== X-IronPort-AV: E=McAfee;i="6800,10657,11752"; a="75797930" X-IronPort-AV: E=Sophos;i="6.23,167,1770624000"; d="scan'208";a="75797930" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 04:30:04 -0700 X-CSE-ConnectionGUID: PgS24hczTOquocZhYbgSSw== X-CSE-MsgGUID: 8Zec0KbXR5W5RxX6SOzObw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,167,1770624000"; d="scan'208";a="227440553" Received: from vpanait-mobl.ger.corp.intel.com (HELO localhost) ([10.245.245.72]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2026 04:30:02 -0700 Date: Wed, 8 Apr 2026 14:29:59 +0300 From: Andy Shevchenko To: David Laight Cc: Petr Mladek , Steven Rostedt , Tamir Duberstein , Rasmus Villemoes , Sergey Senozhatsky , linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel test robot Subject: Re: [PATCH] printf: mark errptr() noinline Message-ID: References: <20260405-printf-test-old-gcc-v1-1-76d24d9bb60e@kernel.org> <20260406111531.779571d7@gandalf.local.home> <20260406123232.3dacbe94@gandalf.local.home> <20260407160809.48d5fe2a@pumpkin> <20260408100425.7231966a@pumpkin> Precedence: bulk X-Mailing-List: stable@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: <20260408100425.7231966a@pumpkin> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Apr 08, 2026 at 10:04:25AM +0100, David Laight wrote: > On Wed, 8 Apr 2026 09:24:58 +0200 > Petr Mladek wrote: > > On Tue 2026-04-07 16:08:09, David Laight wrote: > > > On Mon, 6 Apr 2026 12:32:32 -0400 > > > Steven Rostedt wrote: > > > > On Mon, 6 Apr 2026 11:21:39 -0400 > > > > Tamir Duberstein wrote: ... > > > Even having the KASAN/KMSAN code compiled into allmodconfig is a PITA > > > when you are trying to check that code compiles to something sensible. > > > > This does not look like a good idea. KASAN/KMSAN are very useful > > features. People will want to keep them working. Removing them from > > randconfig would just postpone detection of the problem. We would > > need to deal with it sooner or later anyway. > > True, but when I build an allmodconfig build to check how the asm looks > I really don't want them. Isn't easy to disable that in the command line to `make`? > For the 'bot' builds you also want to know whether they are defined. > Changes to how things are built rather than what is built can throw > up unexpected warnings that are very hard to pin down. > > It is bad enough finding things that affect one obscure architecture > with a specific compiler version when the compiler just makes slightly > different decisions, without having unusual compilation/config options > is the mix to muddy the waters further. -- With Best Regards, Andy Shevchenko