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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ACF35C5AD7B for ; Tue, 11 Aug 2026 04:22:15 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hJz3c6VLwz30CB; Tue, 11 Aug 2026 14:22:04 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1786422124; cv=none; b=S6re3zU1fFQANTnMgwK5BxwvJFNl8o026HiSrGjkHbbVDaFN5VwQiR4SbkNCRBdc7VjPaRrzZBaEzqpO9sIai8jJT6ledL8nzECKpkmGFWKx7JPG1YkQrJN6EPZeLgY6KtoeXFX4yQJwI8fMRwZplvzA4CcfZ8P1nr9YHg4LKs+Pf3n/ftB9uCbZhb9M9wx4UdbJFtFufE9TidrX0TpuXGfU10EeLJwufEGN3UEA83PrWkK5Hux89O8y/DmDNxPUtZDrxiIBxVugj11YMi70oIs5aQek8vLyjRnSRV7Kf+hBHbGr83Jv5rrBzdKjfFtwUmukbpdfc6L945fTb38DmA== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1786422124; c=relaxed/relaxed; bh=lqYTyuJigdGC6n50Tg7PHrR5p4btDFU9kp/x8tq4MZE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P72mPAiMJhbGpmhehPLVq8EPIP8+qGny4kNQgQrYVc3vm+twjlTGVsYEKMqjp6OonyKg7XZQ7rNzXK/oDzXwmilXYpHAFSBW40wph830kXUmrcBnVCDIaUqq1am8UnnHi3ThObNryj/AA+2CU5KGLleEh07+b3wDrtb5XLXCUH3fDUlCdqgRfHU+dK3G6wcF3nRap1O0j3qjZlio/NTrCF7gohkl8rikFplPXzA1OG/akmdurjn7fM749TC1R5Y0kfKNbuX/zHvCm/Vhrjt77bOzsUlxXkrOL6K2iIK3bGLAXyGzml7rERY7pUCPvATL0Ur9faxxOv0JwlKYqy/OeQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com; dkim=pass (1024-bit key; unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=rHvZEaZB; dkim-atps=neutral; spf=pass (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=anshuman.khandual@arm.com; receiver=lists.ozlabs.org) smtp.mailfrom=arm.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=rHvZEaZB; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=arm.com (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=anshuman.khandual@arm.com; receiver=lists.ozlabs.org) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lists.ozlabs.org (Postfix) with ESMTP id 4hJz3c0m8tz304r for ; Tue, 11 Aug 2026 14:22:03 +1000 (AEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 68B031684; Mon, 10 Aug 2026 21:21:28 -0700 (PDT) Received: from localhost (a085714.arm.com [10.164.19.28]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9E5FB3F673; Mon, 10 Aug 2026 21:21:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1786422092; bh=BqsfSrzSwruH65sXJBGnXmlXFGRnhcX2ugUIjxcj/Fc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rHvZEaZBVcSMFwn2Onro3gwOPS804AfXvPTDUi0l9z4MNgF38FHJ0V4gLq9fsXUSL WfVE47DkPbbJE3P5/E+A+2R4PCyV3fLZiJAJK2b95urh3keCsYz/2cZq+G8o/mmaVN /7RC88lRZ6+0rSSPRsdZY5lZqPbYLSHvlWv2aby0= From: Anshuman Khandual To: linux-mm@kvack.org, akpm@linux-foundation.org, david@kernel.org Cc: Anshuman Khandual , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "James E.J. Bottomley" , Helge Deller , Huacai Chen , WANG Xuerui , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC V2 2/6] parisc/mm: Directly use generic [pmd|pgd]_clear_bad() Date: Tue, 11 Aug 2026 09:51:15 +0530 Message-ID: <20260811042119.3652929-3-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260811042119.3652929-1-anshuman.khandual@arm.com> References: <20260811042119.3652929-1-anshuman.khandual@arm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Drop [pmd|pgd]_ERROR() followed by [pmd|pgd]_clear() instances. But instead directly use semantically equivalent generic helpers [pmd|pgd]_clear_bad() in unmap_uncached_[pte|pmd]() which helps in dropping their corresponding [pmd|pgd]_ERROR() macros across the tree. Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: linux-parisc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- arch/parisc/kernel/pci-dma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index bf9f192c826e..84e7309a8266 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -160,8 +160,7 @@ static inline void unmap_uncached_pte(pmd_t * pmd, unsigned long vaddr, if (pmd_none(*pmd)) return; if (pmd_bad(*pmd)) { - pmd_ERROR(*pmd); - pmd_clear(pmd); + pmd_clear_bad(pmd); return; } pte = pte_offset_kernel(pmd, vaddr); @@ -196,8 +195,7 @@ static inline void unmap_uncached_pmd(pgd_t * dir, unsigned long vaddr, if (pgd_none(*dir)) return; if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); + pgd_clear_bad(dir); return; } pmd = pmd_offset(pud_offset(p4d_offset(dir, vaddr), vaddr), vaddr); -- 2.43.0