From patchwork Wed Apr 7 01:45:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michel Lespinasse X-Patchwork-Id: 12186495 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63B49C433B4 for ; Wed, 7 Apr 2021 01:46:30 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0DACE61165 for ; Wed, 7 Apr 2021 01:46:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DACE61165 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=lespinasse.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F2B6F8E000F; Tue, 6 Apr 2021 21:45:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5DBC38E0013; Tue, 6 Apr 2021 21:45:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EB36C8E0001; Tue, 6 Apr 2021 21:45:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0196.hostedemail.com [216.40.44.196]) by kanga.kvack.org (Postfix) with ESMTP id 8D50E8E0001 for ; Tue, 6 Apr 2021 21:45:09 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 511FE82499A8 for ; Wed, 7 Apr 2021 01:45:09 +0000 (UTC) X-FDA: 78003877938.03.615AA26 Received: from server.lespinasse.org (server.lespinasse.org [63.205.204.226]) by imf20.hostedemail.com (Postfix) with ESMTP id 86AFAD6 for ; Wed, 7 Apr 2021 01:45:06 +0000 (UTC) DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=lespinasse.org; i=@lespinasse.org; q=dns/txt; s=srv-11-ed; t=1617759903; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : from; bh=i4NbI3unpGfKmh/q3AwoGzRSmZqSP94rN8RwRpY2aUw=; b=ogyMJqgSLmExCrvp3/r1Eg9S61h33kAnPRVDh2Te/XblEDKT6dg06kOiBaxK2gikeeF52 N4XMq6tUs84jd0lAw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lespinasse.org; i=@lespinasse.org; q=dns/txt; s=srv-11-rsa; t=1617759903; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : from; bh=i4NbI3unpGfKmh/q3AwoGzRSmZqSP94rN8RwRpY2aUw=; b=jtbAFBUFlPRu6wvR0Ewud3YJqowLRXFk0qeM/CUxucqhxAT2GZCHQcPFJ4JSBbET3P/eB bQ95KETLzufZHm9mva1B1rEMc/8fxlllZeEp5NoY10XqNIH067D7NdQzPPj8G2tqSd61UoF dYw5UPH8/M2tbkXH8aoeX60sT2OuFImrT2/xmDo3h1dvqmCqXvARJg6ucmU79zLUwhqmrsp f1sT5VlqvUq71oCCVfooJ6kEpqH/FMxYTdpGIZtzdPShke2xpBOqTXZoWDkPSqhbykxMTuv GQrAg3VK7g8e2N4vMVzh03cWBHaLqpqJeUIDnUlY583azbD0peIQLRu1UGgQ== Received: from zeus.lespinasse.org (zeus.lespinasse.org [10.0.0.150]) by server.lespinasse.org (Postfix) with ESMTPS id 6E930160699; Tue, 6 Apr 2021 18:45:03 -0700 (PDT) Received: by zeus.lespinasse.org (Postfix, from userid 1000) id 6021519F31F; Tue, 6 Apr 2021 18:45:03 -0700 (PDT) From: Michel Lespinasse To: Linux-MM Cc: Laurent Dufour , Peter Zijlstra , Michal Hocko , Matthew Wilcox , Rik van Riel , Paul McKenney , Andrew Morton , Suren Baghdasaryan , Joel Fernandes , Rom Lemarchand , Linux-Kernel , Michel Lespinasse Subject: [RFC PATCH 36/37] arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT Date: Tue, 6 Apr 2021 18:45:01 -0700 Message-Id: <20210407014502.24091-37-michel@lespinasse.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210407014502.24091-1-michel@lespinasse.org> References: <20210407014502.24091-1-michel@lespinasse.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 86AFAD6 X-Stat-Signature: bo41e7jdwpuoazgorxdp891wacggybp9 X-Rspamd-Server: rspam02 Received-SPF: none (lespinasse.org>: No applicable sender policy available) receiver=imf20; identity=mailfrom; envelope-from=""; helo=server.lespinasse.org; client-ip=63.205.204.226 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617759906-438131 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: Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT so that the speculative fault handling code can be compiled on this architecture. Signed-off-by: Michel Lespinasse --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e4e1b6550115..6c2bbfe3fd38 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -208,6 +208,7 @@ config ARM64 select SWIOTLB select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK + select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT help ARM 64-bit (AArch64) Linux support.