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From: Randy Dunlap <rdunlap@infradead.org>
To: Maran Wilson <maran.wilson@oracle.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	xen-devel@lists.xenproject.org, kvm@vger.kernel.org,
	pbonzini@redhat.com, jgross@suse.com
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	boris.ostrovsky@oracle.com, jpoimboe@redhat.com,
	kirill.shutemov@linux.intel.com, bp@suse.de,
	thomas.lendacky@amd.com, luto@kernel.org,
	dave.hansen@linux.intel.com, roger.pau@citrix.com,
	rkrcmar@redhat.com
Subject: Re: [PATCH v5 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH
Date: Tue, 20 Mar 2018 12:23:30 -0700	[thread overview]
Message-ID: <cb065150-0035-abf0-1d38-99011e4b4605@infradead.org> (raw)
In-Reply-To: <1521573486-17304-1-git-send-email-maran.wilson@oracle.com>

Hi,

On 03/20/2018 12:18 PM, Maran Wilson wrote:
> In order to pave the way for hypervisors other then Xen to use the PVH

                                                 than

> entry point for VMs, we need to factor the PVH entry code into Xen specific
> and hypervisor agnostic components. The first step in doing that, is to
> create a new config option for PVH entry that can be enabled
> independently from CONFIG_XEN.
> 
> Signed-off-by: Maran Wilson <maran.wilson@oracle.com>
> ---
>  arch/x86/Kconfig          | 7 +++++++
>  arch/x86/kernel/head_64.S | 4 ++--
>  arch/x86/xen/Kconfig      | 3 ++-
>  3 files changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index eb7f43f23521..58831320b5d2 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -791,6 +791,13 @@ 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"
> +	def_bool n

You don't need two (2) "bool"s here. And 'n' is already the default, so just
drop the second line.

> +	---help---
> +	  This option enables the PVH entry point for guest virtual machines
> +	  as specified in the x86/HVM direct boot ABI.
> +
>  config KVM_DEBUG_FS
>  	bool "Enable debug information for KVM Guests in debugfs"
>  	depends on KVM_GUEST && DEBUG_FS


-- 
~Randy

  reply	other threads:[~2018-03-20 19:24 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
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 [this message]
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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