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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C99EC433F5 for ; Thu, 12 May 2022 09:08:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347283AbiELJIK (ORCPT ); Thu, 12 May 2022 05:08:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243585AbiELJIJ (ORCPT ); Thu, 12 May 2022 05:08:09 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5BEDC6622D for ; Thu, 12 May 2022 02:08:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652346487; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y/j2DLJTcGndHtvQqB0oEoKz+UbynhWSX4BfSSQ/pzc=; b=BU67vvRMQAyOPBTHxHb9jiz672yYv6hcyn3vwpOVHDbHtfW4ABXI+D6uCNTShKRVVMPL2L PCoReYlFqun1gcSlTj7Hxdjpu1Lo4u6TynnYG0MJxYWWNQLTcBJSwdm6I5GHjqxkfyv4PM zHp0Wwpz4AkK0d6G0VD4gS8Ni1bH/Ro= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-70-cFmSb4ePN0-tbg8ubImRxg-1; Thu, 12 May 2022 05:08:05 -0400 X-MC-Unique: cFmSb4ePN0-tbg8ubImRxg-1 Received: by mail-wr1-f69.google.com with SMTP id p10-20020adfaa0a000000b0020c4829af5fso1814922wrd.16 for ; Thu, 12 May 2022 02:08:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:organization:in-reply-to :content-transfer-encoding; bh=y/j2DLJTcGndHtvQqB0oEoKz+UbynhWSX4BfSSQ/pzc=; b=TS3cIjrTfF9oT+SGQjBUBqPWCGEx9DI/iELOHdrmUI6LhVw5grV4Xrr7U1yX8ytBTX WfjsuJJjKx4DKccJE5Jj7qrUKmazgIjIHfGZqHUQp90FOlm4SBIPcR42k738ugmJCitK zxJZjuJXZyJt2bODCyTjIPxeCF9uNmhMjDXJqGJl2W4z5yJBxJByvVtZrkPIAcOgSVqG +uzbH/ywkzle8RSC2jb0TXy9Sjo7e+ZJLD6U5SFe2amBDDRHI0oSNr/l6lDr1rmhvzjI aRoWFolpb7ZH7+oxuWk++dQ6EwclSmpR/fzsFmWpAB/Q2pDXQ5mpeGbLn1B4UgYwSIu2 WUWg== X-Gm-Message-State: AOAM532D+i6bCIpQ8aY9eEOhFMH9Zdg6Fe4XmDkKcCRVEoJitbBecKyF r8pCIIAX+bX9XMTyQD07X3dP+2q7SNZOavDh6KwVTApLN3m5VdBsx5gK/MzoGpBKxfxi/M4amYD dYE3lg4gbmf6PRbAPO98C0w== X-Received: by 2002:a05:600c:2e12:b0:395:b6ae:f551 with SMTP id o18-20020a05600c2e1200b00395b6aef551mr7210538wmf.36.1652346484324; Thu, 12 May 2022 02:08:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwUQEGT0+VpyQO5wHnlhPG2R7sv8wC84gKC8UIrDB+7/35B8+9BWk8Lk8wiU9+qsxrKMLibQA== X-Received: by 2002:a05:600c:2e12:b0:395:b6ae:f551 with SMTP id o18-20020a05600c2e1200b00395b6aef551mr7210512wmf.36.1652346484044; Thu, 12 May 2022 02:08:04 -0700 (PDT) Received: from ?IPV6:2003:cb:c701:d200:ee5d:1275:f171:136d? (p200300cbc701d200ee5d1275f171136d.dip0.t-ipconnect.de. [2003:cb:c701:d200:ee5d:1275:f171:136d]) by smtp.gmail.com with ESMTPSA id i25-20020a7bc959000000b003942a244ee4sm2390056wml.41.2022.05.12.02.08.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 May 2022 02:08:03 -0700 (PDT) Message-ID: Date: Thu, 12 May 2022 11:08:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH v9 1/3] s390x: KVM: ipte lock for SCA access should be contained in KVM Content-Language: en-US To: Pierre Morel , kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, cohuck@redhat.com, thuth@redhat.com, imbrenda@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, wintera@linux.ibm.com, seiden@linux.ibm.com, nrb@linux.ibm.com References: <20220506092403.47406-1-pmorel@linux.ibm.com> <20220506092403.47406-2-pmorel@linux.ibm.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20220506092403.47406-2-pmorel@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On 06.05.22 11:24, Pierre Morel wrote: > The former check to chose between SIIF or not SIIF can be done > using the sclp.has_siif instead of accessing per vCPU structures > > When accessing the SCA, ipte lock and ipte_unlock do not need > to access any vcpu structures but only the KVM structure. > > Let's simplify the ipte handling. > > Signed-off-by: Pierre Morel Much better Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb