linux-kernel - Re: [PATCH v2 2/4] KVM: SVM: Add emulation support for #GP triggered by SVM instructions

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Message-ID: <c13849a741793d2f177447efb93f1719f73bf669.camel@redhat.com>
Date:   Mon, 25 Jan 2021 15:22:46 +0200
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Wei Huang <whuang2@....com>, Wei Huang <wei.huang2@....com>,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        pbonzini@...hat.com, vkuznets@...hat.com, joro@...tes.org,
        bp@...en8.de, tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
        jmattson@...gle.com, wanpengli@...cent.com, bsd@...hat.com,
        dgilbert@...hat.com, luto@...capital.net
Subject: Re: [PATCH v2 2/4] KVM: SVM: Add emulation support for #GP
 triggered by SVM instructions

On Thu, 2021-01-21 at 14:40 -0800, Sean Christopherson wrote:
> On Thu, Jan 21, 2021, Maxim Levitsky wrote:
> > BTW, on unrelated note, currently the smap test is broken in kvm-unit tests.
> > I bisected it to commit 322cdd6405250a2a3e48db199f97a45ef519e226
> > 
> > It seems that the following hack (I have no idea why it works,
> > since I haven't dug deep into the area 'fixes', the smap test for me)
> > 
> > -#define USER_BASE      (1 << 24)
> > +#define USER_BASE      (1 << 25)
> 
> https://lkml.kernel.org/r/20210121111808.619347-2-imbrenda@linux.ibm.com
> 
Thanks!

Best regards,
	Maxim Levitsky