From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C68DAC5320E for ; Thu, 22 Aug 2024 08:35:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2969F6B0206; Thu, 22 Aug 2024 04:35:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2472D6B0207; Thu, 22 Aug 2024 04:35:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 10F8E6B0208; Thu, 22 Aug 2024 04:35:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id E515F6B0206 for ; Thu, 22 Aug 2024 04:35:18 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 9B0AA14134D for ; Thu, 22 Aug 2024 08:35:18 +0000 (UTC) X-FDA: 82479221916.01.3EBA437 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf08.hostedemail.com (Postfix) with ESMTP id 9190916001C for ; Thu, 22 Aug 2024 08:35:16 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=none; spf=pass (imf08.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1724315676; a=rsa-sha256; cv=none; b=mOrzW/1nXaodJiAOmaB8bYDmLewdmmvflYoLUOBJWRJdE9SOuc06oOKrwY5Ocdqf6SeVC6 VloGV8ME4YYK49LGco1YOsO4puZiMZZrGzxI2j221e/qSz+GR7a2hvtb6FHu1hkNi+PyJw wqOG9rqk/n7XSKqto4hNhp2aWgey8m8= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=none; spf=pass (imf08.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1724315676; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XNgjgavDZh0KtSfzRDWj+IIydKmmKAtPwZEVGKa96Ug=; b=vJCmmPNk32ateVdwQuhGSrpWRvP7Re3OIvNygcNCwIB7iA3Y1838Mr3HSJKSm+nSaV+Wsa xuphV6Vnel9fOFgfo+CUDj+Ramv5/JNfKdbE5CZPUMjijL0+YgAyNF1xeooY8WfNzGhHHq zU1NwAfq6YBDS7yYJ4ZtoVCHOYCGq34= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 3DF7ACE0FD9; Thu, 22 Aug 2024 08:35:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9597FC4AF09; Thu, 22 Aug 2024 08:35:10 +0000 (UTC) Date: Thu, 22 Aug 2024 09:35:08 +0100 From: Catalin Marinas To: Uros Bizjak Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [PATCH v2 1/2] err.h: Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() macros Message-ID: References: <20240818210235.33481-1-ubizjak@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240818210235.33481-1-ubizjak@gmail.com> X-Stat-Signature: iqyd8xhyfzi1uejp91rrfyagewwg19ou X-Rspamd-Queue-Id: 9190916001C X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1724315716-939867 X-HE-Meta: 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 cdfrmYGV 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Aug 18, 2024 at 11:01:51PM +0200, Uros Bizjak wrote: > Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() macros that > operate on pointers in the percpu address space. > > These macros 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