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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Tom Lendacky <thomas.lendacky@amd.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org,
	"Eric Blake" <eblake@redhat.com>,
	"Markus Armbruster" <armbru@redhat.com>,
	"Daniel P. Berrangé" <berrange@redhat.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Marcelo Tosatti" <mtosatti@redhat.com>,
	"Michael Roth" <michael.roth@amd.com>
Subject: Re: [PATCH 1/4] qapi, i386/sev: Change the reduced-phys-bits value from 5 to 1
Date: Thu, 13 Oct 2022 14:22:07 +0100	[thread overview]
Message-ID: <Y0gQ/3Vx7Y8KOhQH@work-vm> (raw)
In-Reply-To: <cb96d8e09154533af4b4e6988469bc0b32390b65.1664550870.git.thomas.lendacky@amd.com>

* 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 <thomas.lendacky@amd.com>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> ---
>  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


  reply	other threads:[~2022-10-13 13:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-30 15:14 [PATCH 0/4] Qemu SEV reduced-phys-bits fixes Tom Lendacky
2022-09-30 15:14 ` [PATCH 1/4] qapi, i386/sev: Change the reduced-phys-bits value from 5 to 1 Tom Lendacky
2022-10-13 13:22   ` Dr. David Alan Gilbert [this message]
2022-09-30 15:14 ` [PATCH 2/4] qemu-options.hx: Update the reduced-phys-bits documentation Tom Lendacky
2022-10-13 13:29   ` Dr. David Alan Gilbert
2022-09-30 15:14 ` [PATCH 3/4] i386/sev: Update checks and information related to reduced-phys-bits Tom Lendacky
2022-10-13 13:31   ` Dr. David Alan Gilbert
2022-09-30 15:14 ` [PATCH 4/4] i386/cpu: Update how the EBX register of CPUID 0x8000001F is set Tom Lendacky
2022-10-13 14:01   ` Dr. David Alan Gilbert
2023-01-04 18:13 ` [PATCH 0/4] Qemu SEV reduced-phys-bits fixes Tom Lendacky
2023-01-09 15:05   ` Daniel P. Berrangé
2023-04-21  8:48 ` Paolo Bonzini

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