Re: [Xen-devel] [PATCH V3 2/6]: PVH: use native irq, enablecallback, use HVM ring ops, smp, ...

From: Ian Campbell
Date: Thu Oct 18 2012 - 06:45:09 EST

On Thu, 2012-10-18 at 01:30 +0100, Mukesh Rathor wrote:
> PVH: make gdt_frames[]/gdt_ents into a union with {gdtaddr, gdtsz}, PVH
> only needs to send down gdtaddr and gdtsz. irq.c: PVH uses
> native_irq_ops. vcpu hotplug is currently not available for PVH.
> events.c: setup callback vector for PVH. smp.c: This pertains to
> bringing up smp vcpus. PVH runs in ring 0, so syscalls are native.
> Also, the vcpu context is send down via the hcall to be set in the
> vmcs. gdtaddr and gdtsz are unionionized as PVH only needs to send
> these two to be set in the vmcs. Finally, PVH ring ops uses HVM paths
> for xenbus.
> Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
> ---
> arch/x86/include/asm/xen/interface.h | 11 +++++-
> arch/x86/xen/irq.c | 5 ++-
> arch/x86/xen/p2m.c | 2 +-
> arch/x86/xen/smp.c | 75
> ++++++++++++++++++++++------------ drivers/xen/cpu_hotplug.c
> | 4 +- drivers/xen/events.c | 9 ++++-
> drivers/xen/xenbus/xenbus_client.c | 3 +-

This patch seems to have been horribly whitespace damaged.

Have you seen "git send-email" ? It's very useful for avoiding this sort
of thing and also takes a lot of the grunt work out of reposting a

It also chains the patches as replies to the introductory zero-th mail
-- which is something I've been meaning to ask you to do for a while.
It's useful because it joins the series together in a thread which makes
it easier to keep track of in my INBOX.


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