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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Eric Dumazet <edumazet@google.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Chris Mason <clm@fb.com>, Arjan van de Ven <arjan@infradead.org>,
	rt@linutronix.de, Rik van Riel <riel@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	George Spelvin <linux@sciencehorizons.net>,
	Len Brown <lenb@kernel.org>,
	Josh Triplett <josh@joshtriplett.org>
Subject: [patch V3 02/22] x86/apic/uv: Initialize timer as pinned
Date: Fri, 24 Jun 2016 14:32:02 -0000	[thread overview]
Message-ID: <20160624141721.575235050@linutronix.de> (raw)
In-Reply-To: 20160624140325.554996200@linutronix.de

[-- Attachment #1: x86apicuv_Initialize_timer_as_pinned.patch --]
[-- Type: text/plain, Size: 1276 bytes --]

Pinned timers must carry that attribute in the timer itself. No functional
change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Chris Mason <clm@fb.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: rt@linutronix.de
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Arjan van de Ven <arjan@infradead.org>


---
 arch/x86/kernel/apic/x2apic_uv_x.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -919,7 +919,7 @@ static void uv_heartbeat(unsigned long i
 	uv_set_scir_bits(bits);
 
 	/* enable next timer period */
-	mod_timer_pinned(timer, jiffies + SCIR_CPU_HB_INTERVAL);
+	mod_timer(timer, jiffies + SCIR_CPU_HB_INTERVAL);
 }
 
 static void uv_heartbeat_enable(int cpu)
@@ -928,7 +928,7 @@ static void uv_heartbeat_enable(int cpu)
 		struct timer_list *timer = &uv_cpu_scir_info(cpu)->timer;
 
 		uv_set_cpu_scir_bits(cpu, SCIR_CPU_HEARTBEAT|SCIR_CPU_ACTIVITY);
-		setup_timer(timer, uv_heartbeat, cpu);
+		setup_pinned_timer(timer, uv_heartbeat, cpu);
 		timer->expires = jiffies + SCIR_CPU_HB_INTERVAL;
 		add_timer_on(timer, cpu);
 		uv_cpu_scir_info(cpu)->enabled = 1;

  parent reply	other threads:[~2016-06-24 14:34 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-24 14:32 [patch V3 00/22] timer: Refactor the timer wheel Thomas Gleixner
2016-06-24 14:32 ` [patch V3 01/22] timer: Make pinned a timer property Thomas Gleixner
2016-07-01 13:03   ` Frederic Weisbecker
2016-06-24 14:32 ` Thomas Gleixner [this message]
2016-06-24 14:32 ` [patch V3 03/22] x86/mce: Initialize timer as pinned Thomas Gleixner
2016-06-24 14:32 ` [patch V3 04/22] cpufreq/powernv: " Thomas Gleixner
2016-06-24 14:32 ` [patch V3 05/22] driver/net/ethernet/tile: " Thomas Gleixner
2016-06-24 14:32 ` [patch V3 06/22] drivers/tty/metag_da: " Thomas Gleixner
2016-06-24 14:32 ` [patch V3 07/22] drivers/tty/mips_ejtag: " Thomas Gleixner
2016-06-24 14:32 ` [patch V3 08/22] net/ipv4/inet: Initialize timers " Thomas Gleixner
2016-06-24 14:32 ` [patch V3 09/22] timer: Remove mod_timer_pinned Thomas Gleixner
2016-06-24 14:32 ` [patch V3 10/22] signal: Use hrtimer for sigtimedwait Thomas Gleixner
2016-06-24 14:32 ` [patch V3 11/22] hlist: Add hlist_is_singular_node() helper Thomas Gleixner
2016-06-24 14:32 ` [patch V3 12/22] timer: Give a few structs and members proper names Thomas Gleixner
2016-06-24 14:32 ` [patch V3 13/22] timer: Reduce the CPU index space to 256k Thomas Gleixner
2016-07-01 14:41   ` Frederic Weisbecker
2016-06-24 14:32 ` [patch V3 14/22] timer: Switch to a non cascading wheel Thomas Gleixner
2016-06-24 14:32 ` [patch V3 15/22] timer: Remove slack leftovers Thomas Gleixner
2016-06-24 14:32 ` [patch V3 16/22] timer: Move __run_timers() function Thomas Gleixner
2016-06-24 14:32 ` [patch V3 17/22] timer: Optimize collect timers for NOHZ Thomas Gleixner
2016-06-24 14:32 ` [patch V3 18/22] tick/sched: Remove pointless empty function Thomas Gleixner
2016-06-24 14:32 ` [patch V3 19/22] timer: Forward wheel clock whenever possible Thomas Gleixner
2016-06-24 20:45   ` Richard Cochran
2016-06-25  8:55     ` Thomas Gleixner
2016-06-24 14:32 ` [patch V3 20/22] timer: Only wake softirq if necessary Thomas Gleixner
2016-06-24 14:32 ` [patch V3 21/22] timer: Split out index calculation Thomas Gleixner
2016-06-24 14:32 ` [patch V3 22/22] timer: Optimization for same expiry time in mod_timer() Thomas Gleixner
2016-06-24 17:04 ` [patch V3 00/22] timer: Refactor the timer wheel Josh Triplett
2016-06-27  4:22 ` Paul E. McKenney
2016-06-27 23:56   ` Paul E. McKenney

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