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-rw-r--r--drivers/pci/Kconfig2
-rw-r--r--drivers/xen/Kconfig1
-rw-r--r--drivers/xen/balloon.c4
-rw-r--r--drivers/xen/gntdev.c8
-rw-r--r--drivers/xen/swiotlb-xen.c7
5 files changed, 16 insertions, 6 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 0c473d75e625..43e615aa12ff 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -110,7 +110,7 @@ config PCI_PF_STUB
config XEN_PCIDEV_FRONTEND
tristate "Xen PCI Frontend"
- depends on X86 && XEN
+ depends on XEN_PV
select PCI_XEN
select XEN_XENBUS_FRONTEND
default y
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index a37eb52fb401..22f5aff0c136 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -177,6 +177,7 @@ config XEN_GRANT_DMA_ALLOC
config SWIOTLB_XEN
def_bool y
+ depends on XEN_PV || ARM || ARM64
select DMA_OPS
select SWIOTLB
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 2d2803883306..43ebfe36ac27 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -522,8 +522,8 @@ static int balloon_thread(void *unused)
timeout = 3600 * HZ;
credit = current_credit();
- wait_event_interruptible_timeout(balloon_thread_wq,
- balloon_thread_cond(state, credit), timeout);
+ wait_event_freezable_timeout(balloon_thread_wq,
+ balloon_thread_cond(state, credit), timeout);
if (kthread_should_stop())
return 0;
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 1e7f6b1c0c97..fec1b6537166 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -381,6 +381,14 @@ static int __unmap_grant_pages(struct gntdev_grant_map *map, int offset,
map->unmap_ops[offset+i].handle,
map->unmap_ops[offset+i].status);
map->unmap_ops[offset+i].handle = INVALID_GRANT_HANDLE;
+ if (use_ptemod) {
+ if (map->kunmap_ops[offset+i].status)
+ err = -EINVAL;
+ pr_debug("kunmap handle=%u st=%d\n",
+ map->kunmap_ops[offset+i].handle,
+ map->kunmap_ops[offset+i].status);
+ map->kunmap_ops[offset+i].handle = INVALID_GRANT_HANDLE;
+ }
}
return err;
}
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8c10edf9efe6..e56a5faac395 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -230,10 +230,11 @@ retry:
/*
* Get IO TLB memory from any location.
*/
- start = memblock_alloc(PAGE_ALIGN(bytes), PAGE_SIZE);
+ start = memblock_alloc(PAGE_ALIGN(bytes),
+ IO_TLB_SEGSIZE << IO_TLB_SHIFT);
if (!start)
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, PAGE_ALIGN(bytes), PAGE_SIZE);
+ panic("%s: Failed to allocate %lu bytes\n",
+ __func__, PAGE_ALIGN(bytes));
/*
* And replace that memory with pages under 4GB.