Ross Lagerwall 60901df3ae xen: Fix page <-> pfn conversion on 32 bit systems ...

Commit 1084b1988d22dc165c9dbbc2b0e057f9248ac4db (xen: Add Xen specific
page definition) caused a regression in 4.4.

The xen functions to convert between pages and pfns fail due to an
overflow on systems where a physical address may not fit in an
unsigned long (e.g. x86 32 bit PAE systems). Rework the conversion to
avoid overflow. This should also result in simpler object code.

This bug manifested itself as disk corruption with Linux 4.4 when
using blkfront in a Xen HVM x86 32 bit guest with more than 4 GiB of
memory.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Cc: <stable@vger.kernel.org> # 4.4+
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

2016-04-06 11:18:17 +01:00

..

interface

xen-netback: re-import canonical netif header

2016-03-13 22:08:01 -04:00

acpi.h

xen / ACPI: notify xen when reduced hardware sleep is available

2013-07-31 14:22:35 +02:00

balloon.h

xen/balloon: use hotplugged pages for foreign mappings etc.

2015-10-23 14:20:05 +01:00

events.h

xen/events: Support event channel rebind on ARM

2015-08-20 12:24:15 +01:00

features.h

…

grant_table.h

xen/grant-table: Add an helper to iterate over a specific number of grants

2015-10-23 14:20:46 +01:00

hvc-console.h

treewide: use __printf not __attribute__((format(printf,...)))

2011-10-31 17:30:54 -07:00

hvm.h

xen: Convert printks to pr_<level>

2013-06-28 11:19:58 -04:00

page.h

xen: Fix page <-> pfn conversion on 32 bit systems

2016-04-06 11:18:17 +01:00

platform_pci.h

xen/pvhvm: Remove the xen_platform_pci int.

2014-01-03 14:54:53 -05:00

swiotlb-xen.h

Merge remote-tracking branch 'stefano/swiotlb-xen-9.1' into stable/for-linus-3.13

2013-11-08 16:10:48 -05:00

tmem.h

xen: tmem: enable Xen tmem shim to be built/loaded as a module

2013-04-30 17:04:01 -07:00

xen-ops.h

xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c

2015-12-21 14:40:52 +00:00

xen.h

xen/pvh/x86: Define what an PVH guest is (v3).

2014-01-06 10:43:58 -05:00

xenbus_dev.h

xenbus: Add support for xenbus backend in stub domain

2012-05-21 09:53:18 -04:00

xenbus.h

xen/xenbus: Rename *RING_PAGE* to *RING_GRANT*

2015-10-23 14:20:46 +01:00