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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E6C5C433FE for ; Tue, 2 Nov 2021 16:39:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E4B86112E for ; Tue, 2 Nov 2021 16:39:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234701AbhKBQmP (ORCPT ); Tue, 2 Nov 2021 12:42:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234699AbhKBQmM (ORCPT ); Tue, 2 Nov 2021 12:42:12 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE1F3C061714 for ; Tue, 2 Nov 2021 09:05:56 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id s24so17011393plp.0 for ; Tue, 02 Nov 2021 09:05:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=5B0niJFAo1yLajXmzI/5umMieXRxykE+f7gBMAitL9o=; b=Iw5Up6RHONQ29BqFjlltSOSNnScDVJl216dFmvRibW5KmOuLkvHI4DT06vmKyUv7/E wp79P+u7DSIY6KYclSQsNVPMutubWmEJlcCf7sBhDYsOwS5rZomieoealHfBJ/mVC1jR 6rGhDXboSMu0RuH4A/bF0CWukrwkFtLyHYLa5ihg8ilvdv//emZ7pN4+0wVJWW50T4SP MA/J8te/VHCjudMrgh5bWfu9HLhyD8EO10R5/4txavkb0hJqUNL5qT132Hrv2HGX5Vg9 fH5NZhvdpaq8nm9YLPKcvHSS6RGg45y3KHahyi9HpxZOORoZi2os2clRSu1Axxd+wIoL aEgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=5B0niJFAo1yLajXmzI/5umMieXRxykE+f7gBMAitL9o=; b=Ap58wIxj7ctmpp0mIaCostImvy6YxGqz/ahvt9JRxpSQWUhSZdysSVsdOdst6SIy3/ 8G+s62nfZ0/5e4AOhjsEiiPCvtVafO3j6NC6S6YYBpYmbKUM4DAtMRxdMFJiK23OMxVT de2YoOxmsX+67kgtQQ96rNP2nWee7RqU9+jtUubFVmsqovY7GR+ibCvbk7lNdwh/qGYe h1PBt8ZnC9NZ+NTWqJla6JE2mQZEGn0/nxQDC95VjNTSdItORAIwXw9uWLy03fNkzv2D Misv5UARLHaAZVRiWuuXk+hugreQqd5WxzanmTHOGLAidvp6hMjYWmALupaNIBXTKJ9D tJUA== X-Gm-Message-State: AOAM5337wENR2ki4kWkrbinmjkTN5emlA9vKks2+t2aU+R783pZJca5N lUni5X4pgHkM+qzO4Z8H82VY6A== X-Google-Smtp-Source: ABdhPJwRFVZqB/o9nUXVNlwNLZdudVoI5JAZf8giGWa6nGcBFS6nBP93XKgetD+wt5hRYP3Sm6vnQQ== X-Received: by 2002:a17:902:e88f:b0:141:f982:777 with SMTP id w15-20020a170902e88f00b00141f9820777mr10055720plg.68.1635869155805; Tue, 02 Nov 2021 09:05:55 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id o4sm2687173pfu.130.2021.11.02.09.05.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Nov 2021 09:05:55 -0700 (PDT) Date: Tue, 2 Nov 2021 16:05:51 +0000 From: Sean Christopherson To: Peter Gonda Cc: thomas.lendacky@amd.com, Marc Orr , David Rientjes , Brijesh Singh , Joerg Roedel , Herbert Xu , John Allen , "David S. Miller" , Paolo Bonzini , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V3 0/4] Add SEV_INIT_EX support Message-ID: References: <20211102142331.3753798-1-pgonda@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211102142331.3753798-1-pgonda@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Tue, Nov 02, 2021, Peter Gonda wrote: > SEV_INIT requires users to unlock their SPI bus for the PSP's non > volatile (NV) storage. Users may wish to lock their SPI bus for numerous > reasons, to support this the PSP firmware supports SEV_INIT_EX. INIT_EX > allows the firmware to use a region of memory for its NV storage leaving > the kernel responsible for actually storing the data in a persistent > way. This series adds a new module parameter to ccp allowing users to > specify a path to a file for use as the PSP's NV storage. The ccp driver > then reads the file into memory for the PSP to use and is responsible > for writing the file whenever the PSP modifies the memory region. What's changed between v1 and v3? Also, please wait a few days between versions. I know us KVM people are often slow to get to reviews, but posting a new version every day is usually counter-productive as it increases the review cost (more threads to find and read).