The patch titled
sky2: avoid divide in receive path
has been added to the -mm tree. Its filename is
sky2-avoid-divide-in-receive-path.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: sky2: avoid divide in receive path
From: Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx>
Avoid divide (modulus) in receive buffer handling path.
Signed-off-by: Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/sky2.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/net/sky2.c~sky2-avoid-divide-in-receive-path drivers/net/sky2.c
--- a/drivers/net/sky2.c~sky2-avoid-divide-in-receive-path
+++ a/drivers/net/sky2.c
@@ -2140,7 +2140,8 @@ static struct sk_buff *sky2_receive(stru
printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n",
dev->name, sky2->rx_next, status, length);
- sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending;
+ if (++sky2->rx_next >= sky2->rx_pending)
+ sky2->rx_next = 0;
prefetch(sky2->rx_ring + sky2->rx_next);
if (status & GMR_FS_ANY_ERR)
_
Patches currently in -mm which might be from shemminger@xxxxxxxxxxxxxxxxxxxx are
origin.patch
pci-x-pci-express-read-control-interfaces-mthca.patch
pci-x-pci-express-read-control-interfaces-e1000.patch
sky2-fe-chip-support.patch
sky2-use-debugfs-rename.patch
sky2-document-gphy_ctrl-bits.patch
sky2-dont-restrict-config-space-access.patch
sky2-advanced-error-reporting.patch
sky2-use-pci_config-access-functions.patch
sky2-use-net_device-internal-stats.patch
ktime_sub_ns-analog-of-ktime_add_ns.patch
export-reciprocal_value-for-modules.patch
sky2-hardware-receive-timestamp-counter.patch
sky2-avoid-divide-in-receive-path.patch
sky2-118.patch
git-net.patch
i386-optimize-memset-of-6-and-8-bytes.patch
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