From: Juergen Gross <jgross@suse.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Maran Wilson <maran.wilson@oracle.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
xen-devel@lists.xenproject.org, kvm@vger.kernel.org
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, rdunlap@infradead.org
Subject: Re: [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH
Date: Fri, 7 Dec 2018 07:02:13 +0100 [thread overview]
Message-ID: <2c289956-0e6a-700c-605d-83685fbb08f9@suse.com> (raw)
In-Reply-To: <d532f023-85f9-62b9-ca56-53a619fdcd1e@redhat.com>
On 06/12/2018 23:11, Paolo Bonzini wrote:
> On 06/12/18 07:04, Maran Wilson wrote:
>> +config PVH
>> + bool "Support for running PVH guests"
>> + ---help---
>> + This option enables the PVH entry point for guest virtual machines
>> + as specified in the x86/HVM direct boot ABI.
>> +
>
> IIUC this breaks "normal" bzImage boot, so we should have something like
>
> The resulting kernel will not boot with most x86 boot loaders
> such as GRUB or SYSLINUX. Unless you plan to start the kernel
> using QEMU or Xen, you probably want to say N here.
The resulting kernel should be able to be booted either in PVH mode
via the PVH entry point or the "normal" way via the still existing
old entry point(s).
It is an _additional_ way to boot the kernel, not an exclusive
alternative.
Juergen
next prev parent reply other threads:[~2018-12-07 6:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-06 6:02 [PATCH v8 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Maran Wilson
2018-12-06 6:04 ` [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH Maran Wilson
2018-12-06 22:11 ` Paolo Bonzini
2018-12-06 22:34 ` Boris Ostrovsky
2018-12-06 22:49 ` Paolo Bonzini
2018-12-06 23:11 ` Boris Ostrovsky
2018-12-06 23:30 ` Paolo Bonzini
2018-12-06 23:36 ` [Xen-devel] " Andrew Cooper
2018-12-07 6:02 ` Juergen Gross [this message]
2018-12-07 13:41 ` Paolo Bonzini
2018-12-07 13:50 ` Juergen Gross
2018-12-07 13:52 ` Paolo Bonzini
2018-12-07 13:58 ` Juergen Gross
2018-12-07 15:14 ` Paolo Bonzini
2018-12-07 18:21 ` Maran Wilson
2018-12-06 6:04 ` [PATCH v8 2/7] xen/pvh: Move PVH entry code out of Xen specific tree Maran Wilson
2018-12-06 6:05 ` [PATCH v8 3/7] xen/pvh: Create a new file for Xen specific PVH code Maran Wilson
2018-12-06 6:05 ` [PATCH v8 4/7] xen/pvh: Move Xen specific PVH VM initialization out of common file Maran Wilson
2018-12-06 6:05 ` [PATCH v8 5/7] xen/pvh: Move Xen code for getting mem map via hcall " Maran Wilson
2018-12-06 6:06 ` [PATCH v8 6/7] xen/pvh: Add memory map pointer to hvm_start_info struct Maran Wilson
2018-12-06 6:06 ` [PATCH v8 7/7] KVM: x86: Allow Qemu/KVM to use PVH entry point Maran Wilson
2018-12-06 22:05 ` Paolo Bonzini
2018-12-06 21:21 ` [PATCH v8 0/7] " Paolo Bonzini
2018-12-06 21:37 ` Borislav Petkov
2018-12-06 21:58 ` Boris Ostrovsky
2018-12-06 22:14 ` Paolo Bonzini
2018-12-07 10:25 ` Borislav Petkov
2018-12-07 16:07 ` [Xen-devel] " Boris Ostrovsky
2018-12-07 19:22 ` Borislav Petkov
2018-12-12 18:09 ` Maran Wilson
2018-12-12 18:17 ` Boris Ostrovsky
2018-12-13 13:13 ` Paolo Bonzini
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