Messages in this thread | | | Date | Mon, 17 Feb 2014 12:22:30 +0000 | From | Stefano Stabellini <> | Subject | Re: [Xen-devel] [PATCH v9 0/5] xen/arm/arm64: CONFIG_PARAVIRT and stolen ticks accounting |
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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.
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