netdev - [PATCH net] xen-netback: Use GFP

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Message-ID: <1488451820-4759-1-git-send-email-anoob.soman@citrix.com>
Date:   Thu, 2 Mar 2017 10:50:20 +0000
From:   Anoob Soman <anoob.soman@...rix.com>
To:     <netdev@...r.kernel.org>, <xen-devel@...ts.xenproject.org>
CC:     <paul.durrant@...rix.com>, <wei.liu2@...rix.com>,
        Anoob Soman <anoob.soman@...rix.com>
Subject: [PATCH net] xen-netback: Use GFP_ATOMIC to allocate hash

Allocation of new_hash, inside xenvif_new_hash(), always happen
in softirq context, so use GFP_ATOMIC instead of GFP_KERNEL for new
hash allocation.

Signed-off-by: Anoob Soman <anoob.soman@...rix.com>
---
 drivers/net/xen-netback/hash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c
index e8c5ddd..3c4c58b 100644
--- a/drivers/net/xen-netback/hash.c
+++ b/drivers/net/xen-netback/hash.c
@@ -39,7 +39,7 @@ static void xenvif_add_hash(struct xenvif *vif, const u8 *tag,
 	unsigned long flags;
 	bool found;
 
-	new = kmalloc(sizeof(*entry), GFP_KERNEL);
+	new = kmalloc(sizeof(*entry), GFP_ATOMIC);
 	if (!new)
 		return;
 
-- 
2.7.4