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From: Maran Wilson <maran.wilson@oracle.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	jgross@suse.com, roger.pau@citrix.com, andrew.cooper3@citrix.com,
	hch@infradead.org, JBeulich@suse.com, x86@kernel.org,
	xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	rkrcmar@redhat.com, jpoimboe@redhat.com, bp@suse.de,
	kirill.shutemov@linux.intel.com, thomas.lendacky@amd.com,
	luto@kernel.org, dave.hansen@linux.intel.com,
	davem@davemloft.net, gregkh@linuxfoundation.org,
	mchehab@kernel.org, linus.walleij@linaro.org,
	rdunlap@infradead.org
Subject: Re: [RFC PATCH v4 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH
Date: Thu, 1 Mar 2018 09:24:13 -0800	[thread overview]
Message-ID: <e8bbb473-fb06-aa33-75e1-dbb80dc1c5a2@oracle.com> (raw)
In-Reply-To: <8cdb96db-0771-f062-e0ea-54b4171d6a98@redhat.com>

On 3/1/2018 7:17 AM, Paolo Bonzini wrote:
> On 01/03/2018 16:02, Boris Ostrovsky wrote:
>> On 02/28/2018 01:27 PM, Maran Wilson wrote:
>>> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
>>> index eb7f43f23521..fa7cd0305125 100644
>>> --- a/arch/x86/Kconfig
>>> +++ b/arch/x86/Kconfig
>>> @@ -791,6 +791,14 @@ config KVM_GUEST
>>>   	  underlying device model, the host provides the guest with
>>>   	  timing infrastructure such as time of day, and system time
>>>   
>>> +config PVH
>>> +	bool "Support for running PVH guests"
>>> +	depends on KVM_GUEST || XEN
>>
>> Not sure about XEN part. PVH is selected by XEN_PVH for Xen.
>>
>> What about introducing KVM_GUEST_PVH that will select PVH and then drop
>> dependency here?
> That is, "config KVM_GUEST_PVH" "depends on KVM_GUEST" "select PVH".
> Sounds good to me.

OK, will do.

Thanks,
-Maran

> Paolo
>
>> -boris
>>
>>> +	def_bool n
>>> +	---help---
>>> +	  This option enables the PVH entry point for guest virtual machines
>>> +	  as specified in the x86/HVM direct boot ABI.
>>> +
>>>   
>>
>>> diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
>>> index f605825a04ab..021c8591c3c0 100644
>>> --- a/arch/x86/xen/Kconfig
>>> +++ b/arch/x86/xen/Kconfig
>>> @@ -77,8 +77,9 @@ config XEN_DEBUG_FS
>>>   	  Enabling this option may incur a significant performance overhead.
>>>   
>>>   config XEN_PVH
>>> -	bool "Support for running as a PVH guest"
>>> +	bool "Support for running as a Xen PVH guest"
>>>   	depends on XEN && XEN_PVHVM && ACPI
>>>   	# Pre-built page tables are not ready to handle 5-level paging.
>>>   	depends on !X86_5LEVEL
>>> +	select PVH
>>>   	def_bool n

  reply	other threads:[~2018-03-01 17:24 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28 18:27 [RFC PATCH v4 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Maran Wilson
2018-02-28 18:27 ` [RFC PATCH v4 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH Maran Wilson
2018-02-28 21:07   ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-03-01  5:43     ` Juergen Gross
2018-03-01  7:19   ` Juergen Gross
2018-03-01 15:02   ` Boris Ostrovsky
2018-03-01 15:17     ` Paolo Bonzini
2018-03-01 17:24       ` Maran Wilson [this message]
2018-02-28 18:27 ` [RFC PATCH v4 2/7] xen/pvh: Move PVH entry code out of Xen specific tree Maran Wilson
2018-02-28 21:08   ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-02-28 21:35     ` Paolo Bonzini
2018-03-01  6:11       ` Juergen Gross
2018-03-01  8:46         ` Paolo Bonzini
2018-03-01 16:15           ` Boris Ostrovsky
2018-03-01 17:22       ` Maran Wilson
2018-02-28 18:27 ` [RFC PATCH v4 3/7] xen/pvh: Create a new file for Xen specific PVH code Maran Wilson
2018-02-28 21:09   ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-02-28 18:28 ` [RFC PATCH v4 4/7] xen/pvh: Move Xen specific PVH VM initialization out of common code Maran Wilson
2018-02-28 21:10   ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-03-01  7:20   ` Juergen Gross
2018-03-01 16:05   ` Boris Ostrovsky
2018-03-01 17:43     ` Maran Wilson
2018-02-28 18:28 ` [RFC PATCH v4 5/7] xen/pvh: Move Xen code for getting mem map via hcall out of common file Maran Wilson
2018-03-01  7:21   ` Juergen Gross
2018-02-28 18:28 ` [RFC PATCH v4 6/7] xen/pvh: Add memory map pointer to hvm_start_info struct Maran Wilson
2018-03-01  7:29   ` Juergen Gross
2018-03-01  7:41     ` Jan Beulich
2018-03-01 17:19       ` Maran Wilson
2018-03-01 15:23   ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-02-28 18:28 ` [RFC PATCH v4 7/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Maran Wilson
2018-03-01  7:31   ` Juergen Gross
2018-02-28 21:39 ` [RFC PATCH v4 0/7] " Paolo Bonzini
2018-03-20 19:16 ` [PATCH v5 " Maran Wilson
2018-03-20 19:18   ` [PATCH v5 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH Maran Wilson
2018-03-20 19:23     ` Randy Dunlap
2018-03-20 20:55       ` Maran Wilson
2018-03-20 19:18   ` [PATCH v5 2/7] xen/pvh: Move PVH entry code out of Xen specific tree Maran Wilson
2018-03-20 19:19   ` [PATCH v5 3/7] xen/pvh: Create a new file for Xen specific PVH code Maran Wilson
2018-03-20 19:19   ` [PATCH v5 4/7] xen/pvh: Move Xen specific PVH VM initialization out of common file Maran Wilson
2018-03-20 19:19   ` [PATCH v5 5/7] xen/pvh: Move Xen code for getting mem map via hcall " Maran Wilson
2018-03-20 19:20   ` [PATCH v5 6/7] xen/pvh: Add memory map pointer to hvm_start_info struct Maran Wilson
2018-03-20 19:21   ` [PATCH v5 7/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Maran Wilson

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