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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3BD6DC54E64 for ; Thu, 28 Mar 2024 05:39:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vlIB2ut95IXmVjBCWMI1Xykzct17rz5oErkQqxDkWIk=; b=uVF6KdZSqTCfTW vo32Bn8AfqCloCkK2OvclxgyizZl+4nVMfFFIANiXJgZIKlpuCPkhLXlS+mht6y0Mx/2JQ+iCO5LQ ruvOso0dgHR5bLbChVl/oed3JDGukxoPA4ahGVSY3XEhgTDw+VniwKR6ZPL9F3Z/UnjpviixC7TJb LfUo+tFDNmd1rpyh4iJ1QDbn01jIvo8bUREorkO6licI3iRej9R/Hch0TfDYir8toaTslB6lNyZNd BxakY5vgZvuItKNxsmnkMFThtllCnlQCaSgn8SDFIU6dv4G3s2thop7bWrCL1tQysYcqvUPxpB8wr 7YpqxyVH4S8VJLzV3Clg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rpiUD-0000000CaPp-1kxy; Thu, 28 Mar 2024 05:39:37 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rpiU4-0000000CaKz-1nGI for linux-snps-arc@lists.infradead.org; Thu, 28 Mar 2024 05:39:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 9C96661701; Thu, 28 Mar 2024 05:39:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 407E6C43394; Thu, 28 Mar 2024 05:39:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711604367; bh=OO4cjF1dzedIpZ/Rn3JEn332Jo/uK7j8W6cHjViP98o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HmNTYAeyBMc+xYkhGgFyEffcpojMOnwTOpp3ZEhfPXorHPhe+4Y0db/ReKpJ3NE71 PseOlyDX59lGJAfYF+9ygLX87kUap6EjvAdIU9p43PST2depQXBR077fipEChK9t0v XIfFeC1nkxG2zhzkrW2d3TJW+lWyd1IBlGMXpOieQz1vWQBBm9hYYEjYIxUSmoCcYW T4lET7c+TAA6oOUvkvj/mfeCJVUxcfcIVm6vDoVKFgNErIePAsVqd8y2p/jnc+cKyc HPXYwfZENKwPdO4eWLXZGQuZCd6gH79fMFi5hMROh1PzlLO85zIFA9fQO3b6RX5SBM EY26xcCW5/Taw== From: Vineet Gupta To: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Vineet Gupta , Mathieu Desnoyers Subject: [PATCH 2/2] ARC: mm: fix new code about cache aliasing Date: Wed, 27 Mar 2024 22:39:19 -0700 Message-Id: <20240328053919.992821-3-vgupta@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240328053919.992821-1-vgupta@kernel.org> References: <20240328053919.992821-1-vgupta@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240327_223928_580629_B3814F51 X-CRM114-Status: UNSURE ( 8.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org Manual/partial revert of 8690bbcf3b70 ("Introduce cpu_dcache_is_aliasing() across all architectures") Current generation of ARCv2/ARCv3 based HSxx cores are only PIPT (to software at least). Legacy ARC700 cpus could be VIPT aliasing (based on cache geometry and PAGE_SIZE) however recently that support was ripped out so VIPT aliasing cache is not relevant to ARC anymore. P.S. : This has been discussed a few times on lists [1] P.S.2: Please CC the arch maintainers and/or mailing list before adding such interfaces. [1] http://lists.infradead.org/pipermail/linux-snps-arc/2023-February/006899.html Cc: Mathieu Desnoyers Signed-off-by: Vineet Gupta --- arch/arc/Kconfig | 1 - arch/arc/include/asm/cachetype.h | 9 --------- 2 files changed, 10 deletions(-) delete mode 100644 arch/arc/include/asm/cachetype.h diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 99d2845f3feb..4092bec198be 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -6,7 +6,6 @@ config ARC def_bool y select ARC_TIMERS - select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_CACHE_LINE_SIZE select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DMA_PREP_COHERENT diff --git a/arch/arc/include/asm/cachetype.h b/arch/arc/include/asm/cachetype.h deleted file mode 100644 index 05fc7ed59712..000000000000 --- a/arch/arc/include/asm/cachetype.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_ARC_CACHETYPE_H -#define __ASM_ARC_CACHETYPE_H - -#include - -#define cpu_dcache_is_aliasing() true - -#endif -- 2.34.1 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc