From: Wei Yongjun <weiyongjun1@huawei.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>,
Stefano Stabellini <stefano@aporeto.com>
Cc: Wei Yongjun <weiyongjun1@huawei.com>,
<xen-devel@lists.xenproject.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH -next] xen/pvcalls: use GFP_ATOMIC under spin lock
Date: Thu, 28 Dec 2017 03:46:48 +0000 [thread overview]
Message-ID: <1514432808-129158-1-git-send-email-weiyongjun1@huawei.com> (raw)
A spin lock is taken here so we should use GFP_ATOMIC.
Fixes: 9774c6cca266 ("xen/pvcalls: implement accept command")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
drivers/xen/pvcalls-front.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index 0c1ec68..dfd00d9 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -807,7 +807,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags)
pvcalls_exit();
return ret;
}
- map2 = kzalloc(sizeof(*map2), GFP_KERNEL);
+ map2 = kzalloc(sizeof(*map2), GFP_ATOMIC);
if (map2 == NULL) {
clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT,
(void *)&map->passive.flags);
next reply other threads:[~2017-12-28 3:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-28 3:46 Wei Yongjun [this message]
2018-01-02 8:35 ` Juergen Gross
2018-01-02 18:26 ` Boris Ostrovsky
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