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Subject: Re: [PATCH 0/7] powerpc/watchpoint: 2nd DAWR kvm enablement +
 selftests
To:     Paul Mackerras <paulus@ozlabs.org>
Cc:     mpe@ellerman.id.au, mikey@neuling.org, npiggin@gmail.com,
        pbonzini@redhat.com, christophe.leroy@c-s.fr, jniethe5@gmail.com,
        pedromfc@br.ibm.com, rogealve@br.ibm.com, kvm@vger.kernel.org,
        kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org,
        linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org,
        Ravi Bangoria <ravi.bangoria@linux.ibm.com>
References: <20200723102058.312282-1-ravi.bangoria@linux.ibm.com>
 <20200902023259.GC272502@thinks.paulus.ozlabs.org>
From:   Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Message-ID: <38177cfb-3abf-2629-174a-cdd958286be2@linux.ibm.com>
Date:   Wed, 2 Sep 2020 10:43:33 +0530
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Hi Paul,

On 9/2/20 8:02 AM, Paul Mackerras wrote:
> On Thu, Jul 23, 2020 at 03:50:51PM +0530, Ravi Bangoria wrote:
>> Patch #1, #2 and #3 enables p10 2nd DAWR feature for Book3S kvm guest. DAWR
>> is a hypervisor resource and thus H_SET_MODE hcall is used to set/unset it.
>> A new case H_SET_MODE_RESOURCE_SET_DAWR1 is introduced in H_SET_MODE hcall
>> for setting/unsetting 2nd DAWR. Also, new capability KVM_CAP_PPC_DAWR1 has
>> been added to query 2nd DAWR support via kvm ioctl.
>>
>> This feature also needs to be enabled in Qemu to really use it. I'll reply
>> link to qemu patches once I post them in qemu-devel mailing list.
>>
>> Patch #4, #5, #6 and #7 adds selftests to test 2nd DAWR.
> 
> If/when you resubmit these patches, please split the KVM patches into
> a separate series, since the KVM patches would go via my tree whereas
> I expect the selftests/powerpc patches would go through Michael
> Ellerman's tree.

Sure. Will split it.

Thanks,
Ravi