From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Cc: jeremy@goop.org, xen-devel@lists.xensource.com, Ian.Campbell@citrix.com
Subject: Re: Re: [PATCH 5/7 v2] xen-gntdev: Add reference counting to maps
Date: Mon, 10 Jan 2011 17:28:11 -0500 [thread overview]
Message-ID: <20110110222811.GG15016@dumpdata.com> (raw)
In-Reply-To: <4D0B8050.7050800@tycho.nsa.gov>
> -static int gntdev_del_map(struct grant_map *map)
> +static void gntdev_put_map(struct grant_map *map)
Aha.. here it is.
.. snip ..
> @@ -606,6 +594,8 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
> goto unlock_out;
> }
>
> + atomic_inc(&map->users);
> +
> vma->vm_ops = &gntdev_vmops;
>
> vma->vm_flags |= VM_RESERVED;
> @@ -614,6 +604,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
> vma->vm_flags |= VM_PFNMAP;
>
> vma->vm_private_data = map;
> +
No need for that.
next prev parent reply other threads:[~2011-01-10 22:28 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-17 0:17 [PATCH v3] Userspace grant communication Daniel De Graaf
2010-12-17 0:17 ` [PATCH 1/7] xen-gntdev: Fix circular locking dependency Daniel De Graaf
2010-12-17 0:17 ` [PATCH 2/7] xen-gntdev: Change page limit to be global instead of per-open Daniel De Graaf
2011-01-10 21:52 ` Konrad Rzeszutek Wilk
2011-01-11 12:45 ` Daniel De Graaf
2011-01-11 17:51 ` Konrad Rzeszutek Wilk
2011-01-11 18:18 ` Daniel De Graaf
2011-01-11 18:21 ` Konrad Rzeszutek Wilk
2011-01-11 18:49 ` [PATCH libxc] Remove set_max_grants in linux Daniel De Graaf
2011-01-12 17:17 ` Ian Jackson
2011-01-12 17:57 ` Daniel De Graaf
2011-01-13 12:09 ` Ian Jackson
2011-01-13 12:48 ` Daniel De Graaf
2011-01-17 17:29 ` Ian Jackson
2010-12-17 0:17 ` [PATCH 3/7] xen-gntdev: Remove unneeded structures from grant_map tracking data Daniel De Graaf
2011-01-10 22:14 ` Konrad Rzeszutek Wilk
2011-01-11 13:02 ` Daniel De Graaf
2010-12-17 0:17 ` [PATCH 4/7] xen-gntdev: Use find_vma rather than iterating our vma list manually Daniel De Graaf
2010-12-17 0:17 ` [PATCH 5/7] xen-gntdev: Add reference counting to maps Daniel De Graaf
2010-12-17 0:49 ` Jeremy Fitzhardinge
2010-12-17 15:11 ` Daniel De Graaf
2010-12-17 0:51 ` Jeremy Fitzhardinge
2010-12-17 15:22 ` [PATCH 5/7 v2] " Daniel De Graaf
2011-01-10 22:28 ` Konrad Rzeszutek Wilk [this message]
2011-01-10 22:24 ` [PATCH 5/7] " Konrad Rzeszutek Wilk
2011-01-11 11:10 ` Stefano Stabellini
2011-01-11 17:46 ` Konrad Rzeszutek Wilk
2011-01-12 11:58 ` Stefano Stabellini
2010-12-17 0:17 ` [PATCH 6/7] xen-gntdev: Support mapping in HVM domains Daniel De Graaf
2010-12-17 15:22 ` [PATCH 6/7 v2] " Daniel De Graaf
2011-01-10 22:41 ` [PATCH 6/7] " Konrad Rzeszutek Wilk
2011-01-11 13:15 ` Daniel De Graaf
2011-01-11 14:52 ` Daniel De Graaf
2011-01-11 18:00 ` c/s 22402 ("86 hvm: Refuse to perform __hvm_copy() work in atomic context.") breaks HVM, race possible in other code - any ideas? Konrad Rzeszutek Wilk
2011-01-11 18:24 ` Daniel De Graaf
2010-12-17 0:17 ` [PATCH 7/7] xen-gntalloc: Userspace grant allocation driver Daniel De Graaf
2011-01-07 11:56 ` [PATCH v3] Userspace grant communication Stefano Stabellini
2011-01-14 15:18 ` Konrad Rzeszutek Wilk
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