From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755783Ab3AaCMA (ORCPT ); Wed, 30 Jan 2013 21:12:00 -0500 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:53439 "EHLO e23smtp07.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754158Ab3AaCLu (ORCPT ); Wed, 30 Jan 2013 21:11:50 -0500 Message-ID: <1359598231.2347.0.camel@localhost> Subject: Re: [PATCH 0/3] Enable multiple MSI feature in pSeries From: Mike To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, benh@kernel.crashing.org, tglx@linutronix.de Date: Thu, 31 Jan 2013 10:10:31 +0800 In-Reply-To: <1358235536-32741-1-git-send-email-qiudayu@linux.vnet.ibm.com> References: <1358235536-32741-1-git-send-email-qiudayu@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 (3.2.3-3.fc16) Content-Transfer-Encoding: 8bit Mime-Version: 1.0 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13013102-0260-0000-0000-00000278E6A7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all Any comments about my patchset? Thanks Mike 在 2013-01-15二的 15:38 +0800，Mike Qiu写道： > Currently, multiple MSI feature hasn't been enabled in pSeries, > These patches try to enbale this feature. > > These patches have been tested by using ipr driver, and the driver patch > has been made by Wen Xiong : > > [PATCH 0/7] Add support for new IBM SAS controllers > > Test platform: One partition of pSeries with one cpu core(4 SMTs) and > RAID bus controller: IBM PCI-E IPR SAS Adapter (ASIC) in POWER7 > OS version: SUSE Linux Enterprise Server 11 SP2 (ppc64) with 3.8-rc3 kernel > > IRQ 21 and 22 are assigned to the ipr device which support 2 mutiple MSI. > > The test results is shown by 'cat /proc/interrups': > CPU0 CPU1 CPU2 CPU3 > 16: 240458 261601 226310 200425 XICS Level IPI > 17: 0 0 0 0 XICS Level RAS_EPOW > 18: 10 0 3 2 XICS Level hvc_console > 19: 122182 28481 28527 28864 XICS Level ibmvscsi > 20: 506 7388226 108 118 XICS Level eth0 > 21: 6 5 5 5 XICS Level host1-0 > 22: 817 814 816 813 XICS Level host1-1 > LOC: 398077 316725 231882 203049 Local timer interrupts > SPU: 1659 919 961 903 Spurious interrupts > CNT: 0 0 0 0 Performance > monitoring interrupts > MCE: 0 0 0 0 Machine check exceptions > > Mike Qiu (3): > irq: Set multiple MSI descriptor data for multiple IRQs > irq: Add hw continuous IRQs map to virtual continuous IRQs support > powerpc/pci: Enable pSeries multiple MSI feature > > arch/powerpc/kernel/msi.c | 4 -- > arch/powerpc/platforms/pseries/msi.c | 62 ++++++++++++++++++++++++++++++++- > include/linux/irq.h | 4 ++ > include/linux/irqdomain.h | 3 ++ > kernel/irq/chip.c | 40 ++++++++++++++++----- > kernel/irq/irqdomain.c | 61 +++++++++++++++++++++++++++++++++ > 6 files changed, 158 insertions(+), 16 deletions(-) >