diff mbox series

[net-next,v3,10/16] net: improve queue removal readability in __netif_set_xps_queue

Message ID 20210312150444.355207-11-atenart@kernel.org (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: xps: improve the xps maps handling | expand

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Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
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netdev/tree_selection success Clearly marked for net-next
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netdev/cc_maintainers warning 7 maintainers not CCed: daniel@iogearbox.net cong.wang@bytedance.com andriin@fb.com ast@kernel.org ap420073@gmail.com edumazet@google.com weiwan@google.com
netdev/source_inline success Was 0 now: 0
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netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 10 this patch: 10
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch warning WARNING: line length of 85 exceeds 80 columns
netdev/build_allmodconfig_warn success Errors and warnings before: 10 this patch: 10
netdev/header_inline success Link

Commit Message

Antoine Tenart March 12, 2021, 3:04 p.m. UTC
Improve the readability of the loop removing tx-queue from unused
CPUs/rx-queues in __netif_set_xps_queue. The change should only be
cosmetic.

Signed-off-by: Antoine Tenart <atenart@kernel.org>
---
 net/core/dev.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/net/core/dev.c b/net/core/dev.c
index 4d39938417c4..052797ca65f6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2786,13 +2786,16 @@  int __netif_set_xps_queue(struct net_device *dev, const unsigned long *mask,
 
 	/* removes tx-queue from unused CPUs/rx-queues */
 	for (j = 0; j < dev_maps->nr_ids; j++) {
-		for (i = tc, tci = j * dev_maps->num_tc; i--; tci++)
-			active |= remove_xps_queue(dev_maps, tci, index);
-		if (!netif_attr_test_mask(j, mask, dev_maps->nr_ids) ||
-		    !netif_attr_test_online(j, online_mask, dev_maps->nr_ids))
-			active |= remove_xps_queue(dev_maps, tci, index);
-		for (i = dev_maps->num_tc - tc, tci++; --i; tci++)
+		tci = j * dev_maps->num_tc;
+
+		for (i = 0; i < dev_maps->num_tc; i++, tci++) {
+			if (i == tc &&
+			    netif_attr_test_mask(j, mask, dev_maps->nr_ids) &&
+			    netif_attr_test_online(j, online_mask, dev_maps->nr_ids))
+				continue;
+
 			active |= remove_xps_queue(dev_maps, tci, index);
+		}
 	}
 
 	/* free map if not active */