linux-kernel - [PATCH 4/7] cpumask: arch_send_call_function_ipi

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Date:	Fri, 12 Jun 2009 22:32:35 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH 4/7] cpumask: arch_send_call_function_ipi_mask: powerpc

From: Rusty Russell <rusty@...tcorp.com.au>

We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask(), and by defining
it, the old arch_send_call_function_ipi is defined by the core code.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
---
 arch/powerpc/include/asm/smp.h |    3 ++-
 arch/powerpc/kernel/smp.c      |    4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -139,7 +139,8 @@ extern struct smp_ops_t *smp_ops;
 extern struct smp_ops_t *smp_ops;
 
 extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -130,11 +130,11 @@ void arch_send_call_function_single_ipi(
 	smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNC_SINGLE);
 }
 
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
 {
 	unsigned int cpu;
 
-	for_each_cpu_mask(cpu, mask)
+	for_each_cpu(cpu, mask)
 		smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION);
 }
 

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