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[82.30.61.225]) by smtp.gmail.com with ESMTPSA id z10-20020a05600c0a0a00b003a2f2bb72d5sm6550770wmp.45.2022.10.13.06.22.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Oct 2022 06:22:09 -0700 (PDT) Date: Thu, 13 Oct 2022 14:22:07 +0100 From: "Dr. David Alan Gilbert" To: Tom Lendacky Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Eric Blake , Markus Armbruster , Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Paolo Bonzini , Marcelo Tosatti , Michael Roth Subject: Re: [PATCH 1/4] qapi, i386/sev: Change the reduced-phys-bits value from 5 to 1 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.7 (2022-08-07) Received-SPF: pass client-ip=170.10.129.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" * Tom Lendacky (thomas.lendacky@amd.com) wrote: > A guest only ever experiences, at most, 1 bit of reduced physical > addressing. Change the query-sev-capabilities json comment to use 1. > > Fixes: 31dd67f684 ("sev/i386: qmp: add query-sev-capabilities command") > Signed-off-by: Tom Lendacky Reviewed-by: Dr. David Alan Gilbert > --- > qapi/misc-target.json | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/qapi/misc-target.json b/qapi/misc-target.json > index 4944c0528f..398fd09f25 100644 > --- a/qapi/misc-target.json > +++ b/qapi/misc-target.json > @@ -172,7 +172,7 @@ > # -> { "execute": "query-sev-capabilities" } > # <- { "return": { "pdh": "8CCDD8DDD", "cert-chain": "888CCCDDDEE", > # "cpu0-id": "2lvmGwo+...61iEinw==", > -# "cbitpos": 47, "reduced-phys-bits": 5}} > +# "cbitpos": 47, "reduced-phys-bits": 1}} > # > ## > { 'command': 'query-sev-capabilities', 'returns': 'SevCapability', > -- > 2.37.3 > > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK