lkml.org 
[lkml]   [2007]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 23/26] Xen-paravirt_ops: Add Xen grant table support

* Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> Add Xen 'grant table' driver which allows granting of access to
> selected local memory pages by other virtual machines and,
> symmetrically, the mapping of remote memory pages which other virtual
> machines have granted access to.
>
> This driver is a prerequisite for many of the Xen virtual device
> drivers, which grant the 'device driver domain' restricted and
> temporary access to only those memory pages that are currently
> involved in I/O operations.

> +
> +#ifndef __ia64__
> + {

introduce a proper arch method instead.

> + unsigned long flags;
> + int ref;
> + grant_ref_t head;
> + spin_lock_irqsave(&gnttab_list_lock, flags);

> + unsigned long flags;
> + spin_lock_irqsave(&gnttab_list_lock, flags);

> + unsigned long flags;
> + int count = 1;
> + if (head == GNTTAB_LIST_END)

> + grant_ref_t g = *private_head;
> + if (unlikely(g == GNTTAB_LIST_END))

coding style problems.

Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-03-16 09:57    [W:0.502 / U:2.988 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site