Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752288AbaBQMWh (ORCPT ); Mon, 17 Feb 2014 07:22:37 -0500 Received: from smtp02.citrix.com ([66.165.176.63]:4701 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751435AbaBQMWg (ORCPT ); Mon, 17 Feb 2014 07:22:36 -0500 X-IronPort-AV: E=Sophos;i="4.95,860,1384300800"; d="scan'208";a="101400948" Date: Mon, 17 Feb 2014 12:22:30 +0000 From: Stefano Stabellini X-X-Sender: sstabellini@kaball.uk.xensource.com To: Konrad Rzeszutek Wilk CC: Stefano Stabellini , "xen-devel@lists.xensource.com" , Russell King - ARM Linux , Ian Campbell , , "marc.zyngier@arm.com" , Catalin Marinas , Will Deacon , "linux-kernel@vger.kernel.org" , Olof Johansson , "linux-arm-kernel@lists.infradead.org" Subject: Re: [Xen-devel] [PATCH v9 0/5] xen/arm/arm64: CONFIG_PARAVIRT and stolen ticks accounting In-Reply-To: <20140204150727.GA1529@andromeda.dapyr.net> Message-ID: References: <20140204150727.GA1529@andromeda.dapyr.net> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-DLP: MIA1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 4 Feb 2014, Konrad Rzeszutek Wilk wrote: > On Thu, Jan 09, 2014 at 06:15:07PM +0000, Stefano Stabellini wrote: > > Hi all, > > this patch series introduces stolen ticks accounting for Xen on ARM and > > ARM64. > > Stolen ticks are clocksource ticks that have been "stolen" from the cpu, > > typically because Linux is running in a virtual machine and the vcpu has > > been descheduled. > > To account for these ticks we introduce CONFIG_PARAVIRT and pv_time_ops > > so that we can make use of: > > > > kernel/sched/cputime.c:steal_account_process_tick > > > > > > Changes in v9: > > - added back missing new files from patches; > > - fix compilation on avr32 (remove patch #5, revert to previous version > > of patch #2). > > > > > > > > Stefano Stabellini (5): > > xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c > > kernel: missing include in cputime.c > > arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops > > arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops > > xen/arm: account for stolen ticks > > > > arch/arm/Kconfig | 20 ++++++++ > > arch/arm/include/asm/paravirt.h | 20 ++++++++ > > arch/arm/kernel/Makefile | 2 + > > arch/arm/kernel/paravirt.c | 25 ++++++++++ > > arch/arm/xen/enlighten.c | 21 +++++++++ > > arch/arm64/Kconfig | 20 ++++++++ > > arch/arm64/include/asm/paravirt.h | 20 ++++++++ > > arch/arm64/kernel/Makefile | 1 + > > arch/arm64/kernel/paravirt.c | 25 ++++++++++ > > arch/ia64/xen/time.c | 48 +++---------------- > > arch/x86/xen/time.c | 76 +------------------------------ > > drivers/xen/Makefile | 2 +- > > drivers/xen/time.c | 91 +++++++++++++++++++++++++++++++++++++ > > include/xen/xen-ops.h | 5 ++ > > kernel/sched/cputime.c | 3 ++ > > 15 files changed, 261 insertions(+), 118 deletions(-) > > create mode 100644 arch/arm/include/asm/paravirt.h > > create mode 100644 arch/arm/kernel/paravirt.c > > create mode 100644 arch/arm64/include/asm/paravirt.h > > create mode 100644 arch/arm64/kernel/paravirt.c > > create mode 100644 drivers/xen/time.c > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen.git lost_ticks_9 > > I tried to merge it on top of 3.14-rc1 + stable/for-linus-3.14 (which > has the revert of " xen/grant-table: Avoid m2p_override during mapping" > > > And I get: > konrad@phenom:~/linux$ git merge stefano/lost_ticks_9 > Auto-merging drivers/xen/Makefile > CONFLICT (content): Merge conflict in drivers/xen/Makefile > Auto-merging arch/x86/xen/time.c > CONFLICT (modify/delete): arch/ia64/xen/time.c deleted in HEAD and > modified in stefano/lost_ticks_9. Version stefano/lost_ticks_9 of > arch/ia64/xen/time.c left in tree. > Auto-merging arch/arm64/kernel/Makefile > CONFLICT (content): Merge conflict in arch/arm64/kernel/Makefile > Auto-merging arch/arm64/Kconfig > Auto-merging arch/arm/xen/enlighten.c > CONFLICT (content): Merge conflict in arch/arm/xen/enlighten.c > Auto-merging arch/arm/Kconfig > CONFLICT (content): Merge conflict in arch/arm/Kconfig > Automatic merge failed; fix conflicts and then commit the result. Sorry for the delay, the series rebased on 3.14-rc3 is available here: git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen.git lost_ticks_10 > I presume that is mostly due to David's FIFO queue patches. > > Could you kindly rebase it on top 3.14-rc1 and also tack on > Catalin Marinas Ack on the patches? I will. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/