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 4BCF9CD1284 for ; Thu, 4 Apr 2024 17:33:45 +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: Subject:Cc:To:From:Message-ID:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mbrQRg+2uCtlJ1LQBFGLsKt998cVZCDScO0X3WOZAR8=; b=i0Xb7bvf7XJxAw 910Jo971v3s012TkEA3mgxUdvfdqUSH6rAHqxJTVglYDDQh/aadg1iEh61RVkTW3Wij/DNAdp/QlG qf99Ge29asTzfh01Lp1zDFFyPH4JJqtze1o/ptkbGHFso0FQpAYkni1+c6frHvElblyxEeI5JaRcO WkuEwTsRFXMrT8BNDFx8miWpPY4gSyBJBXfLG364a/VCweg+EBxJC1z/zCA2YJImq11jGyc6+yrYD d6FLX1fiVBeDEGPWvwIatw/HCCObXnY7uvU4sElFJnObjcb6AYP6iEeOw3rvyEH+TLHeyt1g5XC+Q p8JUbhCsDtnRUiHjL7WQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsQxv-00000003exu-32uD; Thu, 04 Apr 2024 17:33:32 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rsQxs-00000003ew1-0F6c for linux-arm-kernel@lists.infradead.org; Thu, 04 Apr 2024 17:33:29 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 0EC9ACE2B92; Thu, 4 Apr 2024 17:33:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44DA8C433F1; Thu, 4 Apr 2024 17:33:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712252005; bh=M7LFDxfI+pw4DBIRnlTAAJBqrunuk4w84JpUPz9y0gU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=BJke3yiy6Tqrtojinr6wwXkx5P0Y95W8EHm7B/G8BSKU0P0C5+C8Nh5+R3d/5sW4d S7G7g4WJwD0crZtFSkNF3BZMfS6d3eQ7MGe8e+kheWsVOER/VIfHBb2IJSTQAfkUxx IYLxPGy3Ol3j5TF2T9VG3ausArqHk7xz1s2G0qpL8ygd6GBZ9OTwZm3rFZqxMXNpzr IJUl1/X1poPjs3n1boRNSHPj7BCq+wdwHzZxeXqYhs6i5LSy+hHyCp+wGF/OS+qpKf S/oEtNUFM54cu56Hez85zena0Xi2slzkqD053xqXdHGUvX83IefXajmseA3n7jwzrj RUq0XF9T4YyTA== Received: from 82-132-213-213.dab.02.net ([82.132.213.213] helo=wait-a-minute.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1rsQxj-001Zu8-Ik; Thu, 04 Apr 2024 18:33:22 +0100 Date: Thu, 04 Apr 2024 18:33:16 +0100 Message-ID: <87frw1rq1v.wl-maz@kernel.org> From: Marc Zyngier To: Gavin Shan Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, oliver.upton@linux.dev, mark.rutland@arm.com, ryan.roberts@arm.com, apopple@nvidia.com, rananta@google.com, yangyicong@hisilicon.com, v-songbaohua@oppo.com, yezhenyu2@huawei.com, yihyu@redhat.com, shan.gavin@gmail.com Subject: Re: [PATCH v2] arm64: tlb: Fix TLBI RANGE operand In-Reply-To: References: <20240404053624.1485237-1-gshan@redhat.com> <87il0xsdc0.wl-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/28.2 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 82.132.213.213 X-SA-Exim-Rcpt-To: gshan@redhat.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, oliver.upton@linux.dev, mark.rutland@arm.com, ryan.roberts@arm.com, apopple@nvidia.com, rananta@google.com, yangyicong@hisilicon.com, v-songbaohua@oppo.com, yezhenyu2@huawei.com, yihyu@redhat.com, shan.gavin@gmail.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240404_103328_303270_1945CD68 X-CRM114-Status: GOOD ( 12.04 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 04 Apr 2024 11:26:20 +0100, Gavin Shan wrote: > > In summary, we need 3 patches but the one fixing __TLBI_RANGE_NUM needs to be > PATCH[1/3] so that it can be easily picked by stable kernel. PATCH[2/3] would > be to improve __TLBI_VADDR_RANGE with masks. PATCH[3/3] will allow __flush_tlb_range_nosync() > to do range-based TLB flush for MAX_TLBI_RANGE_PAGES. That's about it indeed. M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel