linux-kernel - Re: [PATCH] [v2] x86/sgx: Allow enclaves to use Asynchrounous Exit Notification

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Message-ID: <YvRVZQKklqnbf9oQ@kernel.org>
Date:   Thu, 11 Aug 2022 04:03:33 +0300
From:   "jarkko@...nel.org" <jarkko@...nel.org>
To:     "Huang, Kai" <kai.huang@...el.com>
Cc:     "dave@...1.net" <dave@...1.net>,
        "haitao.huang@...ux.intel.com" <haitao.huang@...ux.intel.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "Lutomirski, Andy" <luto@...nel.org>,
        "bp@...en8.de" <bp@...en8.de>, "x86@...nel.org" <x86@...nel.org>,
        "Christopherson,, Sean" <seanjc@...gle.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-sgx@...r.kernel.org" <linux-sgx@...r.kernel.org>
Subject: Re: [PATCH] [v2] x86/sgx: Allow enclaves to use Asynchrounous Exit
 Notification

On Wed, Aug 10, 2022 at 10:17:31AM +0000, Huang, Kai wrote:
> On Tue, 2022-08-02 at 14:21 +1200, Kai Huang wrote:
> > > 
> > > Tested-by: Haitao Huang <haitao.huang@...el.com>
> > > 
> > > Thanks
> > > Haitao
> > 
> > Hi Haitao,
> > 
> > Could you also help to test in a VM?
> > 
> > You will also need below patch in order to use EDECCSSA in the guest:
> > 
> > https://lore.kernel.org/lkml/20220727115442.464380-1-kai.huang@intel.com/
> > 
> > When you create the VM, please use -cpu host.
> > 
> 
> Hi Haitao,
> 
> Do you have any update?
> 
> If it's not easy for you to verify in VM, could you let me know how to set up
> the testing machine so I can have a try?

I can give ack for this, given that it is so obvious:

Acked-by: Jarkko Sakkinen <jarkko@...nel.org>

Would give reviewed-by if there was ucode update available, and I
could test this.

BR, Jarkko