From: Juergen Gross <jgross@suse.com>
To: Maran Wilson <maran.wilson@oracle.com>,
pbonzini@redhat.com, boris.ostrovsky@oracle.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: thomas.lendacky@amd.com, linus.walleij@linaro.org,
dave.hansen@linux.intel.com, rkrcmar@redhat.com,
gregkh@linuxfoundation.org, mchehab@kernel.org, hpa@zytor.com,
mingo@redhat.com, rdunlap@infradead.org, luto@kernel.org,
jpoimboe@redhat.com, tglx@linutronix.de, bp@suse.de,
davem@davemloft.net, kirill.shutemov@linux.intel.com
Subject: Re: [RFC PATCH v4 5/7] xen/pvh: Move Xen code for getting mem map via hcall out of common file
Date: Thu, 1 Mar 2018 08:21:47 +0100 [thread overview]
Message-ID: <7095f9f1-c8b5-acae-44b4-4699a1e67c69__22531.6291711808$1519888841$gmane$org@suse.com> (raw)
In-Reply-To: <1519842483-8887-6-git-send-email-maran.wilson@oracle.com>
On 28/02/18 19:28, Maran Wilson wrote:
> We need to refactor PVH entry code so that support for other hypervisors
> like Qemu/KVM can be added more easily.
>
> The original design for PVH entry in Xen guests relies on being able to
> obtain the memory map from the hypervisor using a hypercall. When we
> extend the PVH entry ABI to support other hypervisors like Qemu/KVM,
> a new mechanism will be added that allows the guest to get the memory
> map without needing to use hypercalls.
>
> For Xen guests, the hypercall approach will still be supported. In
> preparation for adding support for other hypervisors, we can move the
> code that uses hypercalls into the Xen specific file. This will allow us
> to compile kernels in the future without CONFIG_XEN that are still capable
> of being booted as a Qemu/KVM guest via the PVH entry point.
>
> Signed-off-by: Maran Wilson <maran.wilson@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen
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next prev parent reply other threads:[~2018-03-01 7:21 UTC|newest]
Thread overview: 85+ 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 ` 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 18:27 ` Maran Wilson
2018-02-28 21:07 ` Konrad Rzeszutek Wilk
2018-02-28 21:07 ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-03-01 5:43 ` Juergen Gross
2018-03-01 5:43 ` [Xen-devel] " Juergen Gross
2018-03-01 7:19 ` Juergen Gross
2018-03-01 7:19 ` Juergen Gross
2018-03-01 15:02 ` Boris Ostrovsky
2018-03-01 15:02 ` Boris Ostrovsky
2018-03-01 15:17 ` Paolo Bonzini
2018-03-01 15:17 ` Paolo Bonzini
2018-03-01 17:24 ` Maran Wilson
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
2018-02-28 21:35 ` [Xen-devel] " Paolo Bonzini
2018-03-01 6:11 ` Juergen Gross
2018-03-01 6:11 ` [Xen-devel] " Juergen Gross
2018-03-01 8:46 ` Paolo Bonzini
2018-03-01 16:15 ` Boris Ostrovsky
2018-03-01 16:15 ` [Xen-devel] " Boris Ostrovsky
2018-03-01 8:46 ` Paolo Bonzini
2018-03-01 17:22 ` [Xen-devel] " Maran Wilson
2018-03-01 17:22 ` Maran Wilson
2018-02-28 21:08 ` Konrad Rzeszutek Wilk
2018-02-28 18:27 ` 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 18:27 ` Maran Wilson
2018-02-28 21:09 ` Konrad Rzeszutek Wilk
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
2018-02-28 21:10 ` Konrad Rzeszutek Wilk
2018-03-01 7:20 ` Juergen Gross
2018-03-01 7:20 ` Juergen Gross
2018-03-01 16:05 ` Boris Ostrovsky
2018-03-01 17:43 ` Maran Wilson
2018-03-01 17:43 ` Maran Wilson
2018-03-01 16:05 ` Boris Ostrovsky
2018-02-28 18:28 ` 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 [this message]
2018-03-01 7:21 ` Juergen Gross
2018-02-28 18:28 ` Maran Wilson
2018-02-28 18:28 ` [RFC PATCH v4 6/7] xen/pvh: Add memory map pointer to hvm_start_info struct Maran Wilson
2018-02-28 18:28 ` Maran Wilson
2018-03-01 7:29 ` Juergen Gross
2018-03-01 7:29 ` Juergen Gross
2018-03-01 7:41 ` Jan Beulich
2018-03-01 7:41 ` Jan Beulich
2018-03-01 17:19 ` Maran Wilson
2018-03-01 17:19 ` Maran Wilson
2018-03-01 7:41 ` Jan Beulich
2018-03-01 15:23 ` [Xen-devel] " Konrad Rzeszutek Wilk
2018-03-01 15:23 ` 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
2018-02-28 18:28 ` Maran Wilson
2018-03-01 7:31 ` Juergen Gross
2018-03-01 7:31 ` Juergen Gross
2018-02-28 21:39 ` [RFC PATCH v4 0/7] " Paolo Bonzini
2018-02-28 21:39 ` 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 19:18 ` Maran Wilson
2018-03-20 19:23 ` Randy Dunlap
2018-03-20 20:55 ` Maran Wilson
2018-03-20 20:55 ` Maran Wilson
2018-03-20 19:23 ` Randy Dunlap
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 19:18 ` 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 ` 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 ` 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 19:19 ` 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 19:20 ` Maran Wilson
2018-03-20 19:21 ` [PATCH v5 7/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Maran Wilson
2018-03-20 19:21 ` Maran Wilson
2018-03-20 19:16 ` [PATCH v5 0/7] " Maran Wilson
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