diff options
Diffstat (limited to 'main/linux-grsec/xsa155-linux-xsa155-0002-xen-netback-don-t-use-last-request-to-determine-mini.patch')
| -rw-r--r-- | main/linux-grsec/xsa155-linux-xsa155-0002-xen-netback-don-t-use-last-request-to-determine-mini.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/main/linux-grsec/xsa155-linux-xsa155-0002-xen-netback-don-t-use-last-request-to-determine-mini.patch b/main/linux-grsec/xsa155-linux-xsa155-0002-xen-netback-don-t-use-last-request-to-determine-mini.patch deleted file mode 100644 index d60f4d0e39..0000000000 --- a/main/linux-grsec/xsa155-linux-xsa155-0002-xen-netback-don-t-use-last-request-to-determine-mini.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 100ac372a0e07ccc8c508c3884fa9020cfe08094 Mon Sep 17 00:00:00 2001 -From: David Vrabel <david.vrabel@citrix.com> -Date: Fri, 30 Oct 2015 15:16:01 +0000 -Subject: [PATCH 2/7] xen-netback: don't use last request to determine minimum - Tx credit - -The last from guest transmitted request gives no indication about the -minimum amount of credit that the guest might need to send a packet -since the last packet might have been a small one. - -Instead allow for the worst case 128 KiB packet. - -This is part of XSA155. - -CC: stable@vger.kernel.org -Reviewed-by: Wei Liu <wei.liu2@citrix.com> -Signed-off-by: David Vrabel <david.vrabel@citrix.com> -Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> ---- - drivers/net/xen-netback/netback.c | 4 +--- - 1 file changed, 1 insertion(+), 3 deletions(-) - -diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c -index e481f37..b683581 100644 ---- a/drivers/net/xen-netback/netback.c -+++ b/drivers/net/xen-netback/netback.c -@@ -679,9 +679,7 @@ static void tx_add_credit(struct xenvif_queue *queue) - * Allow a burst big enough to transmit a jumbo packet of up to 128kB. - * Otherwise the interface can seize up due to insufficient credit. - */ -- max_burst = RING_GET_REQUEST(&queue->tx, queue->tx.req_cons)->size; -- max_burst = min(max_burst, 131072UL); -- max_burst = max(max_burst, queue->credit_bytes); -+ max_burst = max(131072UL, queue->credit_bytes); - - /* Take care that adding a new chunk of credit doesn't wrap to zero. */ - max_credit = queue->remaining_credit + queue->credit_bytes; --- -2.1.0 - |