From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753126Ab2D1G2q (ORCPT ); Sat, 28 Apr 2012 02:28:46 -0400 Received: from mga02.intel.com ([134.134.136.20]:2653 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752252Ab2D1G2m (ORCPT ); Sat, 28 Apr 2012 02:28:42 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="137713631" From: Alex Shi To: JBottomley@parallels.com, Nagalakshmi.Nandigama@lsi.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, alex.shi@intel.com Subject: [PATCH] scsi/mpt2sas: remove unnecesscary preempt requirement for MSIX Date: Sat, 28 Apr 2012 14:27:33 +0800 Message-Id: <1335594453-30679-1-git-send-email-alex.shi@intel.com> X-Mailer: git-send-email 1.7.5.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org smp_processor_id() need used in preempt safe ENV. Otherwise, the cpu may be preempted and run on other cpus. But here, we don't care much the specific CPU which handler the MSI, so just replace it by raw_smp_processor_id() to avoid preempt debug warning. Signed-off-by: Alex Shi --- drivers/scsi/mpt2sas/mpt2sas_base.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 8a59a77..3f518ba 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -1785,7 +1785,7 @@ static inline void _base_writeq(__u64 b, volatile void __iomem *addr, static inline u8 _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) { - return ioc->cpu_msix_table[smp_processor_id()]; + return ioc->cpu_msix_table[raw_smp_processor_id()]; } /** -- 1.7.5.4