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Date: Thu, 9 Nov 2017 15:21:36 -0500 From: Boris Ostrovsky <boris.ostrovsky@...cle.com> To: Joao Martins <joao.m.martins@...cle.com>, linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org Cc: Juergen Gross <jgross@...e.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, Andy Lutomirski <luto@...capital.net> Subject: Re: [PATCH v8 0/5] x86/xen: pvclock vdso support On 11/08/2017 12:19 PM, Joao Martins wrote: > Hey, > > This is take 8 for vdso for Xen. PVCLOCK_TSC_STABLE_BIT can be set starting Xen > 4.8 which is required for vdso time related calls. In order to have it on, you > need to have the hypervisor clocksource be TSC e.g. with the following boot > params "clocksource=tsc tsc=stable:socket". > > Series is structured as following: > > Patch 1 probes for kvm guest in ptp_kvm in the event having > pvclock_pvti_cpu0_va() moved to common pvclock (on the next patch) > Patch 2 streamlines pvti page get/set in pvclock for both of its users > Patch 3,4 registers the pvti page on Xen and sets it in pvclock accordingly > Patch 5 adds a file to KVM/Xen maintainers for tracking pvclock ABI changes. > > All patches appear to be Acked by its respective maintainers. > > The difference to v7 is adding the Acks on patches 1 and 2 plus the adjustment > from Thomas to rename the getter function. (Changelog in individual patches) > > Thanks, > Joao > > Joao Martins (5): > ptp_kvm: probe for kvm guest availability > x86/pvclock: add setter for pvclock_pvti_cpu0_va > x86/xen/time: set pvclock flags on xen_time_init() > x86/xen/time: setup vcpu 0 time info page > MAINTAINERS: xen, kvm: track pvclock-abi.h changes > > MAINTAINERS | 2 + > arch/x86/entry/vdso/vma.c | 2 +- > arch/x86/include/asm/pvclock.h | 19 +++++---- > arch/x86/kernel/kvmclock.c | 7 +-- > arch/x86/kernel/pvclock.c | 14 ++++++ > arch/x86/xen/suspend.c | 4 ++ > arch/x86/xen/time.c | 97 ++++++++++++++++++++++++++++++++++++++++++ > arch/x86/xen/xen-ops.h | 2 + > drivers/ptp/ptp_kvm.c | 5 ++- > include/xen/interface/vcpu.h | 42 ++++++++++++++++++ > 10 files changed, 177 insertions(+), 17 deletions(-) > Applied to for-linus-4.15. -boris
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