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Message-Id: <1386173591-28514-15-git-send-email-liuj97@gmail.com>
Date: Thu, 5 Dec 2013 00:13:05 +0800
From: Jiang Liu <liuj97@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Shaohua Li <shli@...nel.org>, Paul Mundt <lethal@...ux-sh.org>,
Thomas Gleixner <tglx@...utronix.de>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Jiang Liu <liuj97@...il.com>, Ingo Molnar <mingo@...e.hu>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Steven Rostedt <rostedt@...dmis.org>,
Jiri Kosina <trivial@...nel.org>,
Wang YanQing <udknight@...il.com>, linux-arch@...r.kernel.org
Subject: [RFC PATCH v3 14/19] smp, sh: kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one intterupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Shaohua Li <shli@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Jiri Kosina <trivial@...nel.org>
Cc: Paul Mundt <lethal@...ux-sh.org>
Signed-off-by: Jiang Liu <liuj97@...il.com>
---
arch/sh/include/asm/smp.h | 1 -
arch/sh/kernel/smp.c | 5 +----
2 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 78b0d0f4..93ce87b 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -25,7 +25,6 @@ extern int __cpu_logical_map[NR_CPUS];
enum {
SMP_MSG_FUNCTION,
SMP_MSG_RESCHEDULE,
- SMP_MSG_FUNCTION_SINGLE,
SMP_MSG_TIMER,
SMP_MSG_NR, /* must be last */
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 86a7936..c944d5d 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -282,7 +282,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
void arch_send_call_function_single_ipi(int cpu)
{
- mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
+ mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION);
}
void smp_timer_broadcast(const struct cpumask *mask)
@@ -309,9 +309,6 @@ void smp_message_recv(unsigned int msg)
case SMP_MSG_RESCHEDULE:
scheduler_ipi();
break;
- case SMP_MSG_FUNCTION_SINGLE:
- generic_smp_call_function_single_interrupt();
- break;
case SMP_MSG_TIMER:
ipi_timer();
break;
--
1.8.1.2
--
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