[PATCH -next] habanalabs: use GFP_ATOMIC under spin lock

From: Wei Yongjun
Date: Fri Feb 22 2019 - 00:32:39 EST


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@xxxxxxxxxx>
---
drivers/misc/habanalabs/memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c
index 9236e52852c6..9e3491dc3b55 100644
--- 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) {