From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 40B922FF155; Fri, 27 Mar 2026 08:50:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774601425; cv=none; b=iqccpMlC2bbxjLIOcDPIjdfwBnVw50V5y5U1h50qzSalEG+xCGh9DFue57XNZUwkReZpHYq3WjhqV1mRvjQHLdxYTZIEakvaHN15u75dH+K/821vK1kUdCvCElOqmArFOkhW3V7UMQ1qqXiHG1k5R3piIEXxfmxZ/e/0gPFN8eE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774601425; c=relaxed/simple; bh=ubhXL/DZLRZgGehOUNb+FHOrN62tfn1Y+9JsvhwjtdA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O9oKYvrOpiRvgcwTN9YuBdNwKLBPiydt1hu8lq1PPVj4Mg0nR6HICtJPHiUngzaptx2c7HxLpu6HRoRE3ei3z9QtA16bSCffwYk+CHpP/LG4+lspc0MEoXBVeB3TPRhcrFQypAgsIuIgpAV58QKZR/lDpfEbcwAusM7qocdeHXY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=EqXwPQc+; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="EqXwPQc+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774601423; x=1806137423; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=ubhXL/DZLRZgGehOUNb+FHOrN62tfn1Y+9JsvhwjtdA=; b=EqXwPQc+CAo+svfiqjWjgd9GEjLi/RD5DwikOZoD2jGqwC7NI4mMGB37 1MD48asXv9619cAw3335OLGFZzY7VfXl8/IjW3LCuYpoEUsUpnaKjHxLY TtjEx6a2wBINvpdboMN8gevQlw804Vu6Cz5TRKnD52TGLT/WwCxYeXIA3 MdEgfRilduWImvqzeuxsoSQNaPbIm10DF+4nVmWpYvtKQAFs0xL1Ojob9 xdWhmpVYc5z/QnbsnTXgPMqmUs/7EsbwyiN5hzz4/HZOK70XGI3kmmpD3 Z4sqlVHH8uEphlaj2l1jqvEKVPXjQ2vqOd5MzYogkSEfCZom9QHOfqrkp Q==; X-CSE-ConnectionGUID: 7X3VCzinQCqVg188G0Xofg== X-CSE-MsgGUID: vBXvfrYvQJ2NAWaFhD4M1Q== X-IronPort-AV: E=McAfee;i="6800,10657,11741"; a="74702277" X-IronPort-AV: E=Sophos;i="6.23,143,1770624000"; d="scan'208";a="74702277" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 01:50:23 -0700 X-CSE-ConnectionGUID: WkzsKBjcSz+cKNnL33j/5w== X-CSE-MsgGUID: wsOLfilIRpS1DOrkB/vIpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,143,1770624000"; d="scan'208";a="225179524" Received: from vpanait-mobl.ger.corp.intel.com (HELO localhost) ([10.245.244.127]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 01:50:14 -0700 Date: Fri, 27 Mar 2026 10:50:11 +0200 From: Andy Shevchenko To: Rosen Penev Cc: linux-gpio@vger.kernel.org, Mika Westerberg , Andy Shevchenko , Linus Walleij , Kees Cook , "Gustavo A. R. Silva" , open list , "open list:KERNEL HARDENING (not covered by other areas):Keyword:b__counted_by(_le|_be)?b" Subject: Re: [PATCH] pinctrl: intel: use FAM for communities Message-ID: References: <20260326023627.54349-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Thu, Mar 26, 2026 at 12:22:20PM -0700, Rosen Penev wrote: > On Thu, Mar 26, 2026 at 3:41 AM Andy Shevchenko > wrote: > > On Thu, Mar 26, 2026 at 12:35:57PM +0200, Andy Shevchenko wrote: > > > On Wed, Mar 25, 2026 at 07:36:27PM -0700, Rosen Penev wrote: ... > > > What I would like to see is rater special devm_kmalloc_and_dup()-like API > > > instead of doing this in every driver out of dozens of drivers. > I defer to the hardening people for that. My suggestion was to > introduce a kmemdup_flex macro that does kzalloc_flex + memcpy on the > FAM. Thanks, please come back with a better approach like kmemdup_flex(). > > You may start with providing a common API for all Intel pin control drivers. > > > > Patch series of: > > - add a new API and new member > > - convert driver-by-driver in separate changes. > > > > Actually why can't it be done like this from the start? -- With Best Regards, Andy Shevchenko