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Patch "xen-netback: Use GFP_ATOMIC to allocate hash" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Oct 19, 2017

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This is a note to let you know that I've just added the patch titled

xen-netback: Use GFP_ATOMIC to allocate hash

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
xen-netback-use-gfp_atomic-to-allocate-hash.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From foo@baz Thu Oct 19 15:04:02 CEST 2017

From: Anoob Soman <[email protected]>
Date: Thu, 2 Mar 2017 10:50:20 +0000
Subject: xen-netback: Use GFP_ATOMIC to allocate hash

From: Anoob Soman <[email protected]>

[ Upstream commit 9f674e48c13dcbc31ac903433727837795b81efe ]

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.

---
 drivers/net/xen-netback/hash.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/net/xen-netback/hash.c +1 -1
@@ -39,7 +39,7 @@ static void xenvif_add_hash(struct xenvi
 	unsigned long flags;
 	bool found;
 
-	new = kmalloc(sizeof(*entry), GFP_KERNEL);
+	new = kmalloc(sizeof(*entry), GFP_ATOMIC);
 	if (!new)
 		return;
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/xen-netback-use-gfp_atomic-to-allocate-hash.patch