habanalabs: use GFP_ATOMIC under spin lock

A spin lock is taken here so we should use GFP_ATOMIC.

Fixes: 0feaf86d4e69 ("habanalabs: add virtual memory and MMU modules")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c
index 9236e52852c68ca4f8773dd4e2988185d0fce1d7..9e3491dc3b5529dc828e644592047ff0ce13a050 100644 (file)
--- a/drivers/misc/habanalabs/memory.c
+++ b/drivers/misc/habanalabs/memory.c
@@ -120,7 +120,7 @@ static int alloc_device_memory(struct hl_ctx *ctx, struct hl_mem_in *args,
 
        spin_lock(&vm->idr_lock);
        handle = idr_alloc(&vm->phys_pg_pack_handles, phys_pg_pack, 1, 0,
-                               GFP_KERNEL);
+                               GFP_ATOMIC);
        spin_unlock(&vm->idr_lock);
 
        if (handle < 0) {