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 X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 BDB68C4332B for ; Thu, 19 Mar 2020 23:43:12 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 312B02076C for ; Thu, 19 Mar 2020 23:43:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ozlabs.org header.i=@ozlabs.org header.b="OR2YdyN3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 312B02076C Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48k3PT46sCzDrS6 for ; Fri, 20 Mar 2020 10:43:09 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48k3Cm67QkzDr69 for ; Fri, 20 Mar 2020 10:34:44 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=OR2YdyN3; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 48k3Cm5glTz9sSN; Fri, 20 Mar 2020 10:34:44 +1100 (AEDT) Received: by ozlabs.org (Postfix, from userid 1003) id 48k3Cm4pkTz9sSK; Fri, 20 Mar 2020 10:34:44 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1584660884; bh=8/nwuYSUP1Qm/RPYgjFE8kvBJjM7phd9M7wZLcqKx/4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OR2YdyN3kPXkjJCutfQ6yInoGe/69l6616eQ3CoTSqkVjJRsvEV0gDG5HUIbQSSJ9 JdiuSDjOcuhC8SWDJZ+5CelrVpH4A8guUabTUw5wHAozZyq+ZuHH6m1EJ8p+sfrB3h IkI2x1Z4iVQHbR3Xerv5lbHbSv/u4eh/yfIFh9iXJLHC5esji+ULI1ITdERwy2jAGJ CcL4Wy52sg9ED5/C8Ka/VxNo2h9eyMRKhekcLuY9qQBaucLALPwc94mp72TWYWbni4 i6dpoCVUPVhJg3SbnDIAURTfJiijrXWL41Tr535gb/hJTQHyxK8yKFTnBYy2Xok6Uc LFtu0VsLIPHQw== Date: Fri, 20 Mar 2020 10:31:19 +1100 From: Paul Mackerras To: Michael Ellerman Subject: Re: [PATCH] KVM: PPC: Book3S HV: Use RADIX_PTE_INDEX_SIZE in Radix MMU code Message-ID: <20200319233118.GB3260@blackberry> References: <20200218043650.24410-1-mpe@ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200218043650.24410-1-mpe@ellerman.id.au> User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@ozlabs.org, kvm-ppc@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, Feb 18, 2020 at 03:36:50PM +1100, Michael Ellerman wrote: > In kvmppc_unmap_free_pte() in book3s_64_mmu_radix.c, we use the > non-constant value PTE_INDEX_SIZE to clear a PTE page. > > We can instead use the constant RADIX_PTE_INDEX_SIZE, because we know > this code will only be running when the Radix MMU is active. > > Note that we already use RADIX_PTE_INDEX_SIZE for the allocation of > kvm_pte_cache. > > Signed-off-by: Michael Ellerman Thanks, applied to my kvm-ppc-next branch. Paul.