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 2651FC83000 for ; Tue, 24 Jun 2025 19:54:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=zMeQKa5p78YWacDNbNHmSX67Ryd1+0v36HaX2WpeRPg=; b=FmxbPiBpGkUeNuIhR4gptiUUZ5 ULe2B7uKnqKtMPP7ZFlqz3VLLBBuwrKVpLDj4J9VEuzhuh8q5QdCcFEYho4ruwIzvO2ksy3Zn6zQi reTCYjSt+49wIcrok3sSnWJynzkUDY8KF7PPPxg1NNzgRIu3N/rabWK9vaY7XeXb2otUDAsvChxf4 81Z5IBkAbvIh4r0b5wkCdA7PsYwaMGvag5glXZoInZciclBXWTBtlxBoEUgE9eR4aMLmEeoNTN48e iBOpnj9wbVD4YrsKSrmv4n0WkOoMV6cYd/eDTZ6OzlcAzG2ohBmiGdm7BfLXA5Y4g3FsI16lSp2h2 YZlqf6NQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uU9j4-00000006fFp-3LRA; Tue, 24 Jun 2025 19:54:38 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uU5v3-00000006Bwx-2Fuu for linux-arm-kernel@lists.infradead.org; Tue, 24 Jun 2025 15:50:46 +0000 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4bRTsz5FLfz6GBRV; Tue, 24 Jun 2025 23:49:59 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 1B520140447; Tue, 24 Jun 2025 23:50:44 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.19.247) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 24 Jun 2025 17:50:43 +0200 From: Jonathan Cameron To: Catalin Marinas , , , , , , , , Will Deacon , Dan Williams , Davidlohr Bueso CC: Yicong Yang , , Yushan Wang , Lorenzo Pieralisi , Mark Rutland , Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , , H Peter Anvin , Andy Lutomirski , Peter Zijlstra Subject: [PATCH v2 5/8] arm64: Select GENERIC_CPU_CACHE_INVALIDATE_MEMREGION Date: Tue, 24 Jun 2025 16:48:01 +0100 Message-ID: <20250624154805.66985-6-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250624154805.66985-1-Jonathan.Cameron@huawei.com> References: <20250624154805.66985-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.122.19.247] X-ClientProxiedBy: lhrpeml500004.china.huawei.com (7.191.163.9) To frapeml500008.china.huawei.com (7.182.85.71) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250624_085045_714376_2B62F526 X-CRM114-Status: UNSURE ( 8.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Also ensure the hooks that the generic cache framework uses are available by selecting ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION. The generic CPU cache framework registers a callback which iterates over any registered cache coherency drivers to perform the requested flush. Signed-off-by: Jonathan Cameron --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 55fc331af337..9e59311d3e85 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -21,6 +21,7 @@ config ARM64 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_HAS_CACHE_LINE_SIZE select ARCH_HAS_CC_PLATFORM + select ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION select ARCH_HAS_CRC32 select ARCH_HAS_CRC_T10DIF if KERNEL_MODE_NEON select ARCH_HAS_CURRENT_STACK_POINTER @@ -147,6 +148,7 @@ config ARM64 select GENERIC_ARCH_TOPOLOGY select GENERIC_CLOCKEVENTS_BROADCAST select GENERIC_CPU_AUTOPROBE + select GENERIC_CPU_CACHE_INVALIDATE_MEMREGION select GENERIC_CPU_DEVICES select GENERIC_CPU_VULNERABILITIES select GENERIC_EARLY_IOREMAP -- 2.48.1