mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-29 22:02:02 +00:00
RDMA/usnic: use iommu_map_atomic() under spin_lock()
usnic_uiom_map_sorted_intervals() is called under spin_lock(), iommu_map()
might sleep, use iommu_map_atomic() to avoid potential sleep in atomic
context.
Fixes: e3cf00d0a8
("IB/usnic: Add Cisco VIC low-level hardware driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230129093757.637354-1-yangyingliang@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
parent
5d9745cead
commit
b7e08a5a63
1 changed files with 4 additions and 4 deletions
|
@ -276,8 +276,8 @@ static int usnic_uiom_map_sorted_intervals(struct list_head *intervals,
|
|||
size = pa_end - pa_start + PAGE_SIZE;
|
||||
usnic_dbg("va 0x%lx pa %pa size 0x%zx flags 0x%x",
|
||||
va_start, &pa_start, size, flags);
|
||||
err = iommu_map(pd->domain, va_start, pa_start,
|
||||
size, flags);
|
||||
err = iommu_map_atomic(pd->domain, va_start,
|
||||
pa_start, size, flags);
|
||||
if (err) {
|
||||
usnic_err("Failed to map va 0x%lx pa %pa size 0x%zx with err %d\n",
|
||||
va_start, &pa_start, size, err);
|
||||
|
@ -293,8 +293,8 @@ static int usnic_uiom_map_sorted_intervals(struct list_head *intervals,
|
|||
size = pa - pa_start + PAGE_SIZE;
|
||||
usnic_dbg("va 0x%lx pa %pa size 0x%zx flags 0x%x\n",
|
||||
va_start, &pa_start, size, flags);
|
||||
err = iommu_map(pd->domain, va_start, pa_start,
|
||||
size, flags);
|
||||
err = iommu_map_atomic(pd->domain, va_start,
|
||||
pa_start, size, flags);
|
||||
if (err) {
|
||||
usnic_err("Failed to map va 0x%lx pa %pa size 0x%zx with err %d\n",
|
||||
va_start, &pa_start, size, err);
|
||||
|
|
Loading…
Reference in a new issue