From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH v8 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Date: Thu, 13 Dec 2018 14:13:21 +0100 Message-ID: <64b4fc44-d3f5-ed4e-ee4c-38e78313d979@redhat.com> References: <1544076152-21637-1-git-send-email-maran.wilson@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Cc: boris.ostrovsky@oracle.com, bp@suse.de, dave.hansen@linux.intel.com, davem@davemloft.net, gregkh@linuxfoundation.org, hpa@zytor.com, jpoimboe@redhat.com, kirill.shutemov@linux.intel.com, luto@kernel.org, mchehab@kernel.org, mingo@redhat.com, rdunlap@infradead.org, tglx@linutronix.de, thomas.lendacky@amd.com, hch@infradead.org, roger.pau@citrix.com, rkrcmar@redhat.com To: Maran Wilson , x86@kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, jgross@suse.com Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 12/12/18 19:09, Maran Wilson wrote: > On 12/6/2018 1:21 PM, Paolo Bonzini wrote: >> On 06/12/18 07:02, Maran Wilson wrote: >>> For certain applications it is desirable to rapidly boot a KVM virtual >>> machine. In cases where legacy hardware and software support within the >>> guest is not needed, Qemu should be able to boot directly into the >>> uncompressed Linux kernel binary without the need to run firmware. >>> >>> There already exists an ABI to allow this for Xen PVH guests and the ABI >>> is supported by Linux and FreeBSD: >>> >>>     https://xenbits.xen.org/docs/unstable/misc/pvh.html >>> >>> This patch series would enable Qemu to use that same entry point for >>> booting KVM guests. >> Thanks!  I should be able to post a Tested-by next Monday.  Boris, are >> you going to pick it up for 4.21? > > Hi Paolo, > > Are you still planning on running some testing of your own for these > patches? Should Boris wait to hear from you before moving forward? He can go ahead with v9, I was just curious about it. Paolo