From: Borislav Petkov <bp@suse.de>
To: Brijesh Singh <brijesh.singh@amd.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Gary Hook" <gary.hook@amd.com>,
"Tom Lendacky" <thomas.lendacky@amd.com>,
linux-crypto@vger.kernel.org
Subject: Re: [Part2 PATCH v4 05/29] crypto: ccp: Add Platform Security Processor (PSP) device support
Date: Sat, 30 Sep 2017 18:11:04 +0200 [thread overview]
Message-ID: <20170930161104.452sia6a5y5duyn4@pd.tnic> (raw)
In-Reply-To: <1fc76eee-f25b-cd38-cc8d-0404ec94cf79@amd.com>
On Sat, Sep 30, 2017 at 10:55:25AM -0500, Brijesh Singh wrote:
> CRYPTO_DEV_CCP_DD is supported on aarch64 and x86. Whereas the PSP
> interface I am adding is available on x86 only hence its safe to add add
> depend on CPU_SUP_AMD for CRYPTO_DEV_SP_PSP.
I think just from having CRYPTO_DEV_CCP_DD depend on CPU_SUP_AMD ||
ARM64, CRYPTO_DEV_SP_PSP gets almost the same dependency transitively.
But sure, let's make the PSP build only on x86. It should depend on
X86_64, to be precise.
> Yes its very much possible. The SEV FW provides two sets of commands 1)
> platform certificate management and 2) guest management
>
> The platform certificate management commands is used outside the
> CONFIG_KVM_AMD.
Ok, please state that in the commit message so that it is written down
somewhere.
Thx.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--
next prev parent reply other threads:[~2017-09-30 16:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-19 20:45 [Part2 PATCH v4 00/29] x86: Secure Encrypted Virtualization (AMD) Brijesh Singh
2017-09-19 20:46 ` [Part2 PATCH v4 05/29] crypto: ccp: Add Platform Security Processor (PSP) device support Brijesh Singh
2017-09-29 15:16 ` Borislav Petkov
2017-09-29 16:23 ` [Part2 PATCH v4.1 05/30] " Brijesh Singh
2017-09-30 8:30 ` [PATCH] crypto: ccp: Build the AMD secure processor driver only with AMD CPU support Borislav Petkov
2017-09-30 14:06 ` Brijesh Singh
2017-09-30 15:53 ` Borislav Petkov
2017-09-30 15:55 ` [Part2 PATCH v4 05/29] crypto: ccp: Add Platform Security Processor (PSP) device support Brijesh Singh
2017-09-30 16:11 ` Borislav Petkov [this message]
2017-10-01 20:05 ` Brijesh Singh
2017-10-03 16:17 ` Borislav Petkov
2017-10-03 16:19 ` Brijesh Singh
2017-10-02 16:43 ` [Part2 Patch v4.2] " Brijesh Singh
2017-10-04 6:36 ` P J P
2017-10-04 9:15 ` Borislav Petkov
2017-09-19 20:46 ` [Part2 PATCH v4 06/29] ccp: crypto: Define SEV key management command id Brijesh Singh
2017-09-19 20:46 ` [Part2 PATCH v4 07/29] crypto: ccp: Add Secure Encrypted Virtualization (SEV) command support Brijesh Singh
2017-09-22 21:35 ` [PATCH] crypto: ccp: fix eno.cocci warnings kbuild test robot
2017-09-22 21:35 ` [Part2 PATCH v4 07/29] crypto: ccp: Add Secure Encrypted Virtualization (SEV) command support kbuild test robot
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