[PATCH RFC 3/3] xen/Kconfig: add XEN_TIME_VSYSCALL option

From	Joao Martins <joao.m.martins@oracle.com>
Newsgroups	linux.kernel
Subject	[PATCH RFC 3/3] xen/Kconfig: add XEN_TIME_VSYSCALL option
Date	2015-12-28 23:00 +0100
Message-ID	<qKNZF-7Wx-29@gated-at.bofh.it> (permalink)
References	<qKNZE-7Wx-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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This option enables support for pvclock vsyscall/vdso
support on Xen. Default is off, since Xen doesn't
expose yet the PVCLOCK_TSC_STABLE_BIT flag.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
---
 arch/x86/xen/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index c7b15f3..636eaeb 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -37,6 +37,11 @@ config XEN_512GB
 	  It is always possible to change the default via specifying the
 	  boot parameter "xen_512gb_limit".
 
+config XEN_TIME_VSYSCALL
+	bool "Enable Xen support for pvclock vsyscall/vdso"
+	depends on XEN && PARAVIRT_CLOCK
+	def_bool n
+
 config XEN_SAVE_RESTORE
        bool
        depends on XEN
-- 
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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