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-rw-r--r--drivers/xen/balloon.c2
-rw-r--r--drivers/xen/gntdev.c12
-rw-r--r--drivers/xen/privcmd.c6
-rw-r--r--drivers/xen/swiotlb-xen.c36
-rw-r--r--drivers/xen/xen-scsiback.c8
-rw-r--r--drivers/xen/xen-selfballoon.c6
6 files changed, 19 insertions, 51 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 221b7333d067..ceb5048de9a7 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -352,7 +352,7 @@ static enum bp_state reserve_additional_memory(void)
mutex_unlock(&balloon_mutex);
/* add_memory_resource() requires the device_hotplug lock */
lock_device_hotplug();
- rc = add_memory_resource(nid, resource, memhp_auto_online);
+ rc = add_memory_resource(nid, resource);
unlock_device_hotplug();
mutex_lock(&balloon_mutex);
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index b0b02a501167..5efc5eee9544 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -520,26 +520,26 @@ static int unmap_if_in_range(struct gntdev_grant_map *map,
}
static int mn_invl_range_start(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long start, unsigned long end,
- bool blockable)
+ const struct mmu_notifier_range *range)
{
struct gntdev_priv *priv = container_of(mn, struct gntdev_priv, mn);
struct gntdev_grant_map *map;
int ret = 0;
- if (blockable)
+ if (range->blockable)
mutex_lock(&priv->lock);
else if (!mutex_trylock(&priv->lock))
return -EAGAIN;
list_for_each_entry(map, &priv->maps, next) {
- ret = unmap_if_in_range(map, start, end, blockable);
+ ret = unmap_if_in_range(map, range->start, range->end,
+ range->blockable);
if (ret)
goto out_unlock;
}
list_for_each_entry(map, &priv->freeable_maps, next) {
- ret = unmap_if_in_range(map, start, end, blockable);
+ ret = unmap_if_in_range(map, range->start, range->end,
+ range->blockable);
if (ret)
goto out_unlock;
}
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 7e6e682104dc..b24ddac1604b 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -459,14 +459,14 @@ static long privcmd_ioctl_mmap_batch(
return -EFAULT;
/* Returns per-frame error in m.arr. */
m.err = NULL;
- if (!access_ok(VERIFY_WRITE, m.arr, m.num * sizeof(*m.arr)))
+ if (!access_ok(m.arr, m.num * sizeof(*m.arr)))
return -EFAULT;
break;
case 2:
if (copy_from_user(&m, udata, sizeof(struct privcmd_mmapbatch_v2)))
return -EFAULT;
/* Returns per-frame error code in m.err. */
- if (!access_ok(VERIFY_WRITE, m.err, m.num * (sizeof(*m.err))))
+ if (!access_ok(m.err, m.num * (sizeof(*m.err))))
return -EFAULT;
break;
default:
@@ -661,7 +661,7 @@ static long privcmd_ioctl_dm_op(struct file *file, void __user *udata)
goto out;
}
- if (!access_ok(VERIFY_WRITE, kbufs[i].uptr,
+ if (!access_ok(kbufs[i].uptr,
kbufs[i].size)) {
rc = -EFAULT;
goto out;
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 2a7f545bd0b5..989cf872b98c 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -53,8 +53,6 @@
* API.
*/
-#define XEN_SWIOTLB_ERROR_CODE (~(dma_addr_t)0x0)
-
static char *xen_io_tlb_start, *xen_io_tlb_end;
static unsigned long xen_io_tlb_nslabs;
/*
@@ -405,8 +403,8 @@ static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
map = swiotlb_tbl_map_single(dev, start_dma_addr, phys, size, dir,
attrs);
- if (map == SWIOTLB_MAP_ERROR)
- return XEN_SWIOTLB_ERROR_CODE;
+ if (map == DMA_MAPPING_ERROR)
+ return DMA_MAPPING_ERROR;
dev_addr = xen_phys_to_bus(map);
xen_dma_map_page(dev, pfn_to_page(map >> PAGE_SHIFT),
@@ -421,7 +419,7 @@ static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
attrs |= DMA_ATTR_SKIP_CPU_SYNC;
swiotlb_tbl_unmap_single(dev, map, size, dir, attrs);
- return XEN_SWIOTLB_ERROR_CODE;
+ return DMA_MAPPING_ERROR;
}
/*
@@ -443,21 +441,8 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
xen_dma_unmap_page(hwdev, dev_addr, size, dir, attrs);
/* NOTE: We use dev_addr here, not paddr! */
- if (is_xen_swiotlb_buffer(dev_addr)) {
+ if (is_xen_swiotlb_buffer(dev_addr))
swiotlb_tbl_unmap_single(hwdev, paddr, size, dir, attrs);
- return;
- }
-
- if (dir != DMA_FROM_DEVICE)
- return;
-
- /*
- * phys_to_virt doesn't work with hihgmem page but we could
- * call dma_mark_clean() with hihgmem page here. However, we
- * are fine since dma_mark_clean() is null on POWERPC. We can
- * make dma_mark_clean() take a physical address if necessary.
- */
- dma_mark_clean(phys_to_virt(paddr), size);
}
static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
@@ -495,11 +480,6 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,
if (target == SYNC_FOR_DEVICE)
xen_dma_sync_single_for_device(hwdev, dev_addr, size, dir);
-
- if (dir != DMA_FROM_DEVICE)
- return;
-
- dma_mark_clean(phys_to_virt(paddr), size);
}
void
@@ -574,7 +554,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
sg_phys(sg),
sg->length,
dir, attrs);
- if (map == SWIOTLB_MAP_ERROR) {
+ if (map == DMA_MAPPING_ERROR) {
dev_warn(hwdev, "swiotlb buffer is full\n");
/* Don't panic here, we expect map_sg users
to do proper error handling. */
@@ -700,11 +680,6 @@ xen_swiotlb_get_sgtable(struct device *dev, struct sg_table *sgt,
return dma_common_get_sgtable(dev, sgt, cpu_addr, handle, size, attrs);
}
-static int xen_swiotlb_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return dma_addr == XEN_SWIOTLB_ERROR_CODE;
-}
-
const struct dma_map_ops xen_swiotlb_dma_ops = {
.alloc = xen_swiotlb_alloc_coherent,
.free = xen_swiotlb_free_coherent,
@@ -719,5 +694,4 @@ const struct dma_map_ops xen_swiotlb_dma_ops = {
.dma_supported = xen_swiotlb_dma_supported,
.mmap = xen_swiotlb_dma_mmap,
.get_sgtable = xen_swiotlb_get_sgtable,
- .mapping_error = xen_swiotlb_mapping_error,
};
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 14a3d4cbc2a7..c9e23a126218 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1712,11 +1712,6 @@ static struct configfs_attribute *scsiback_wwn_attrs[] = {
NULL,
};
-static char *scsiback_get_fabric_name(void)
-{
- return "xen-pvscsi";
-}
-
static int scsiback_port_link(struct se_portal_group *se_tpg,
struct se_lun *lun)
{
@@ -1810,8 +1805,7 @@ static int scsiback_check_false(struct se_portal_group *se_tpg)
static const struct target_core_fabric_ops scsiback_ops = {
.module = THIS_MODULE,
- .name = "xen-pvscsi",
- .get_fabric_name = scsiback_get_fabric_name,
+ .fabric_name = "xen-pvscsi",
.tpg_get_wwn = scsiback_get_fabric_wwn,
.tpg_get_tag = scsiback_get_tag,
.tpg_check_demo_mode = scsiback_check_true,
diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c
index 5165aa82bf7d..246f6122c9ee 100644
--- a/drivers/xen/xen-selfballoon.c
+++ b/drivers/xen/xen-selfballoon.c
@@ -189,7 +189,7 @@ static void selfballoon_process(struct work_struct *work)
bool reset_timer = false;
if (xen_selfballooning_enabled) {
- cur_pages = totalram_pages;
+ cur_pages = totalram_pages();
tgt_pages = cur_pages; /* default is no change */
goal_pages = vm_memory_committed() +
totalreserve_pages +
@@ -227,7 +227,7 @@ static void selfballoon_process(struct work_struct *work)
if (tgt_pages < floor_pages)
tgt_pages = floor_pages;
balloon_set_new_target(tgt_pages +
- balloon_stats.current_pages - totalram_pages);
+ balloon_stats.current_pages - totalram_pages());
reset_timer = true;
}
#ifdef CONFIG_FRONTSWAP
@@ -569,7 +569,7 @@ int xen_selfballoon_init(bool use_selfballooning, bool use_frontswap_selfshrink)
* much more reliably and response faster in some cases.
*/
if (!selfballoon_reserved_mb) {
- reserve_pages = totalram_pages / 10;
+ reserve_pages = totalram_pages() / 10;
selfballoon_reserved_mb = PAGES2MB(reserve_pages);
}
schedule_delayed_work(&selfballoon_worker, selfballoon_interval * HZ);
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-28 13:24:18 +0000