From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754432AbbAWFgg (ORCPT ); Fri, 23 Jan 2015 00:36:36 -0500 Received: from mga02.intel.com ([134.134.136.20]:23509 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754265AbbAWFge (ORCPT ); Fri, 23 Jan 2015 00:36:34 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="444042462" From: Jiang Liu To: Thomas Gleixner , Martin Schwidefsky , Heiko Carstens , linux390@de.ibm.com, Michael Holzheu , "Srivatsa S. Bhat" , Jiang Liu Cc: Borislav Petkov , Tony Luck , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [Resend Patch v4 14/16] smp, s390: Kill SMP single function call interrupt Date: Fri, 23 Jan 2015 13:36:53 +0800 Message-Id: <1421991416-20297-15-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1421991416-20297-1-git-send-email-jiang.liu@linux.intel.com> References: <1421991416-20297-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 interrupt is needed for architecture specific code to support generic SMP function call interfaces, so kill the redundant single function call interrupt. Signed-off-by: Jiang Liu Acked-by: Heiko Carstens --- arch/s390/kernel/smp.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 0b499f5cbe19..5b89eabc3a01 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -50,7 +50,7 @@ enum { ec_schedule = 0, - ec_call_function_single, + ec_call_function, ec_stop_cpu, }; @@ -416,8 +416,8 @@ static void smp_handle_ext_call(void) smp_stop_cpu(); if (test_bit(ec_schedule, &bits)) scheduler_ipi(); - if (test_bit(ec_call_function_single, &bits)) - generic_smp_call_function_single_interrupt(); + if (test_bit(ec_call_function, &bits)) + generic_smp_call_function_interrupt(); } static void do_ext_call_interrupt(struct ext_code ext_code, @@ -432,12 +432,12 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) int cpu; for_each_cpu(cpu, mask) - pcpu_ec_call(pcpu_devices + cpu, ec_call_function_single); + pcpu_ec_call(pcpu_devices + cpu, ec_call_function); } void arch_send_call_function_single_ipi(int cpu) { - pcpu_ec_call(pcpu_devices + cpu, ec_call_function_single); + pcpu_ec_call(pcpu_devices + cpu, ec_call_function); } #ifndef CONFIG_64BIT -- 1.7.10.4