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Re: [Xen-devel] [PATCH v2 3/3] paravirt: rename paravirt_enabled to paravirt_legacy
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Mon, 8 Feb 2016 18:13:05 +0100
- Cc: X86 ML <x86@xxxxxxxxxx>, david.e.box@xxxxxxxxx, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>, Lv Zheng <lv.zheng@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, qiuxishi@xxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, "Rafael J. Wysocki" <rafael.j.wysocki@xxxxxxxxx>, Robert Moore <robert.moore@xxxxxxxxx>, cocci@xxxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxxxxx>, Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>, Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>, "Luis R. Rodriguez" <mcgrof@xxxxxxxx>, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, mcb30@xxxxxxxx, Juergen Gross <jgross@xxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>, long.wanglong@xxxxxxxxxx, Fengguang Wu <fengguang.wu@xxxxxxxxx>
- Delivery-date: Mon, 08 Feb 2016 17:13:20 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Mon, Feb 08, 2016 at 04:53:00PM +0000, Andrew Cooper wrote:
> As an alternative check which should be doable this early on, peeking in
> the head of hypercall_page should work. If Linux was booted as a PV
> guest, the hypercall_page will have been constructed by the domain
> builder, and won't have 0x90's in it.
Good to know, we might need it for something. :)
Thanks.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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