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 6B671C52D7B for ; Wed, 14 Aug 2024 12:15:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F28E96B0093; Wed, 14 Aug 2024 08:15:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EBB7D6B0095; Wed, 14 Aug 2024 08:15:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D524C6B0096; Wed, 14 Aug 2024 08:15:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id B355D6B0093 for ; Wed, 14 Aug 2024 08:15:15 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 383F6A0AEB for ; 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s=arc-20220608; d=hostedemail.com; t=1723637641; a=rsa-sha256; cv=none; b=bHQ8dmHyCXNCk/zhcB+fUrlnKhwKBhaUuFYL1ejAfTJ4/a7+5YsnsXpISWRgyh1RMpI0ZG OF/+MNWc42Pg7aNqWoLUkXI36HXfO10WDHTnmkcYIKXo7QIliCfllIiZS5f5PRWSP1SHIP CjFBoV0WLH7EZoRn+FDNPq+MXgkZXWE= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=none; spf=pass (imf07.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) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id AE407CE1896; Wed, 14 Aug 2024 12:15:08 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240813172543.38411-1-ubizjak@gmail.com> X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 2B7E540016 X-Stat-Signature: bg9xue7btfnbmurhnmykqan76uhdza5x X-HE-Tag: 1723637711-113750 X-HE-Meta: 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 GVYktf3T 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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 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