From 668ae7288e82aa8e7f7cc40b8e13248305d752e7 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Fri, 22 Feb 2019 05:46:01 +0000
Subject: [PATCH] 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>
---
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 9236e52852c68..9e3491dc3b552 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) {
--
GitLab