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[PATCH RFC 0/3] x86/xen: pvclock vdso support

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Hey!

This series proposes support for pvclock vdso under Xen: Patch 1 adds
setting cpu 0 pvti page; Patch 2 registers the pvti page with Xen and sets
it accordingly in pvclock and Patch 3 adds a Kconfig option since Xen
doesn't yet support the PVCLOCK_TSC_STABLE_BIT flag. Though its support
will probably be discussed in another RFC I sent[0].

Any comments or suggestions are welcome!

Thanks,
Joao

[0] http://lists.xenproject.org/archives/html/xen-devel/2015-12/msg02835.html

Joao Martins (3):
  x86/pvclock: add setter for pvclock_pvti_cpu0_va
  x86/xen/time: setup vcpu 0 time info page
  xen/Kconfig: add XEN_TIME_VSYSCALL option

 arch/x86/include/asm/pvclock.h | 22 ++++++++------
 arch/x86/kernel/kvmclock.c     |  6 +---
 arch/x86/kernel/pvclock.c      | 11 +++++++
 arch/x86/xen/Kconfig           |  5 ++++
 arch/x86/xen/time.c            | 66 ++++++++++++++++++++++++++++++++++++++++++
 include/xen/interface/vcpu.h   | 28 ++++++++++++++++++
 6 files changed, 124 insertions(+), 14 deletions(-)

-- 
2.1.4

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[PATCH RFC 0/3] x86/xen: pvclock vdso support Joao Martins <joao.m.martins@oracle.com> - 2015-12-28 23:00 +0100
  [PATCH RFC 1/3] x86/pvclock: add setter for pvclock_pvti_cpu0_va Joao Martins <joao.m.martins@oracle.com> - 2015-12-28 23:00 +0100
    Re: [PATCH RFC 1/3] x86/pvclock: add setter for pvclock_pvti_cpu0_va Andy Lutomirski <luto@amacapital.net> - 2015-12-29 00:50 +0100
      Re: [PATCH RFC 1/3] x86/pvclock: add setter for pvclock_pvti_cpu0_va Joao Martins <joao.m.martins@oracle.com> - 2015-12-29 14:00 +0100
        Re: [PATCH RFC 1/3] x86/pvclock: add setter for pvclock_pvti_cpu0_va Andy Lutomirski <luto@amacapital.net> - 2015-12-29 14:10 +0100
  [PATCH RFC 3/3] xen/Kconfig: add XEN_TIME_VSYSCALL option Joao Martins <joao.m.martins@oracle.com> - 2015-12-28 23:00 +0100

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