From: <cmetcalf@ezchip.com>
To: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Borislav Petkov <bp@alien8.de>,
Li Zhong <zhong@linux.vnet.ibm.com>,
Mike Galbraith <efault@gmx.de>, Kevin Hilman <khilman@linaro.org>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Subject: [PATCH 4/4] net: tile: don't send interrupts to nohz cores by default
Date: Tue, 24 Mar 2015 15:21:35 -0400 [thread overview]
Message-ID: <1427224895-30830-5-git-send-email-cmetcalf@ezchip.com> (raw)
In-Reply-To: <1427224895-30830-1-git-send-email-cmetcalf@ezchip.com>
From: Chris Metcalf <cmetcalf@ezchip.com>
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
---
drivers/net/ethernet/tile/tilegx.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index bea8cd2bb56c..cf9850c6a809 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -40,6 +40,7 @@
#include <linux/tcp.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
+#include <linux/tick.h>
#include <asm/checksum.h>
#include <asm/homecache.h>
@@ -2271,8 +2272,10 @@ static int __init tile_net_init_module(void)
for (i = 0; gxio_mpipe_link_enumerate_mac(i, name, mac) >= 0; i++)
tile_net_dev_init(name, mac);
- if (!network_cpus_init())
+ if (!network_cpus_init()) {
network_cpus_map = *cpu_online_mask;
+ tick_nohz_full_clear_cpus(&network_cpus_map);
+ }
return 0;
}
--
2.1.2
prev parent reply other threads:[~2015-03-24 19:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-24 19:21 [PATCH 0/4] initial NOHZ_FULL support for tile cmetcalf
2015-03-24 19:21 ` [PATCH 1/4] tile: support arch_irq_work_raise cmetcalf
2015-03-24 21:00 ` Frederic Weisbecker
2015-03-24 21:14 ` Peter Zijlstra
2015-03-24 22:06 ` Chris Metcalf
2015-03-25 8:03 ` Peter Zijlstra
2015-03-24 19:21 ` [PATCH 2/4] tile: support CONTEXT_TRACKING and thus NOHZ_FULL cmetcalf
2015-03-24 21:15 ` Frederic Weisbecker
2015-03-24 21:49 ` Chris Metcalf
2015-03-24 19:21 ` [PATCH 3/4] nohz: add tick_nohz_full_clear_cpus() API cmetcalf
2015-03-30 16:20 ` Chris Metcalf
2015-03-30 16:41 ` Rik van Riel
2015-03-30 16:45 ` Chris Metcalf
2015-03-24 19:21 ` cmetcalf [this message]
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