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author | Dave Airlie <airlied@redhat.com> | 2011-12-20 14:43:53 +0000 |
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committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 14:43:53 +0000 |
commit | 1fbe6f625f69e48c4001051dc1431afc704acfaa (patch) | |
tree | 826b741201a2e09a627ed350c6ff36935f5cff79 /drivers/xen/xenbus/xenbus_client.c | |
parent | 0cecdd818cd79d092e36e70dfe3a71f2878d6b96 (diff) | |
parent | 384703b8e6cd4c8ef08512e596024e028c91c339 (diff) | |
download | op-kernel-dev-1fbe6f625f69e48c4001051dc1431afc704acfaa.zip op-kernel-dev-1fbe6f625f69e48c4001051dc1431afc704acfaa.tar.gz |
Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next
Merge in the upstream tree to bring in the mainline fixes.
Conflicts:
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
drivers/gpu/drm/nouveau/nouveau_sgdma.c
Diffstat (limited to 'drivers/xen/xenbus/xenbus_client.c')
-rw-r--r-- | drivers/xen/xenbus/xenbus_client.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 81c3ce6..1906125 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -35,6 +35,7 @@ #include <linux/vmalloc.h> #include <linux/export.h> #include <asm/xen/hypervisor.h> +#include <asm/xen/page.h> #include <xen/interface/xen.h> #include <xen/interface/event_channel.h> #include <xen/events.h> @@ -436,19 +437,20 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn); int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr) { struct gnttab_map_grant_ref op = { - .flags = GNTMAP_host_map, + .flags = GNTMAP_host_map | GNTMAP_contains_pte, .ref = gnt_ref, .dom = dev->otherend_id, }; struct vm_struct *area; + pte_t *pte; *vaddr = NULL; - area = alloc_vm_area(PAGE_SIZE); + area = alloc_vm_area(PAGE_SIZE, &pte); if (!area) return -ENOMEM; - op.host_addr = (unsigned long)area->addr; + op.host_addr = arbitrary_virt_to_machine(pte).maddr; if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1)) BUG(); @@ -527,6 +529,7 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) struct gnttab_unmap_grant_ref op = { .host_addr = (unsigned long)vaddr, }; + unsigned int level; /* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr) * method so that we don't have to muck with vmalloc internals here. @@ -548,6 +551,8 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) } op.handle = (grant_handle_t)area->phys_addr; + op.host_addr = arbitrary_virt_to_machine( + lookup_address((unsigned long)vaddr, &level)).maddr; if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1)) BUG(); |