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 260541448FD for ; Wed, 14 Aug 2024 12:15:07 +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=1723637708; cv=none; b=W0btk1G1rrda6tzLVOdZmvby7e7VgEmvu0GTg83BMrYMGqaoD/zFsMD4HGn9wI+eXwOdug14qHRuLqWMg85Bau9TjNbH/2/uee4/KAGlkc8w86DpUKfEd0K49WSXrbIxi7NTPJ+2fzDYEVOvbsCsVL8Z9uU/+J1/5Q+BDn+8PUI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723637708; c=relaxed/simple; bh=mp5a58drZmBDdiPuuHFppdSKaExwVsggrUDss2WJiqM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hLTh7So8VhPP9X4m8pfMtr1RVN885vGDvBKhMorZEwoeY0I4nSru+OqNb7UGc2VrBoSxWUXJAL+P3O8W2IapNSqUsGNa37BDIDpdZz8OqxuNv5IlolObircA+X/mkiAKLifOcs2k04rMRFQ2qGs9OepkOsHVhtOnDtOablJJo8c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1F12C32786; Wed, 14 Aug 2024 12:15:06 +0000 (UTC) Date: Wed, 14 Aug 2024 13:15:04 +0100 From: Catalin Marinas To: Uros Bizjak Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [PATCH 1/2] err.h: Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions Message-ID: References: <20240813172543.38411-1-ubizjak@gmail.com> 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: <20240813172543.38411-1-ubizjak@gmail.com> On Tue, Aug 13, 2024 at 07:25:10PM +0200, Uros Bizjak wrote: > Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions that > operate on pointers in the percpu address space. > > These functions remove the need for (__force void *) function > argument casts (to avoid sparse -Wcast-from-as warnings). > > The patch will also avoid future build errors due to pointer address > space mismatch with enabled strict percpu address space checks. > > Signed-off-by: Uros Bizjak > Cc: Catalin Marinas > Cc: Andrew Morton Acked-by: Catalin Marinas