linux-kernel - RE: [PATCH v5 5/6] Drivers: hv: vmbus: Support TDX guests

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Message-ID: <SA1PR21MB1335446CD89B9360CC70E7C2BF6F9@SA1PR21MB1335.namprd21.prod.outlook.com>
Date:   Tue, 2 May 2023 19:21:06 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     "Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
        "ak@...ux.intel.com" <ak@...ux.intel.com>,
        "arnd@...db.de" <arnd@...db.de>, "bp@...en8.de" <bp@...en8.de>,
        "brijesh.singh@....com" <brijesh.singh@....com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "jane.chu@...cle.com" <jane.chu@...cle.com>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
        KY Srinivasan <kys@...rosoft.com>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "luto@...nel.org" <luto@...nel.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "sathyanarayanan.kuppuswamy@...ux.intel.com" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        "seanjc@...gle.com" <seanjc@...gle.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "x86@...nel.org" <x86@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>
Subject: RE: [PATCH v5 5/6] Drivers: hv: vmbus: Support TDX guests

> From: Michael Kelley (LINUX) <mikelley@...rosoft.com>
> Sent: Tuesday, May 2, 2023 8:26 AM
> ...
> Yes, this looks good to me.  A minor point:  In the two calls to set
Thanks for the confirmation!

> decrypted,
> if there is a failure, output the value of "ret" in the error message.  It should
> never happen, but if it did, it could be hard to diagnose, and we'll want all
> the info we can get about the failure.  And do the same in hv_synic_free()
> if setting back to encrypted should fail.
> 
> Michael

Will do in v6.