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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-03-03 14:21:40 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-03-11 14:47:28 +0100 |
| commit | bd2a9adaadb8defcaf6c284bca7ff41634105f51 (patch) | |
| tree | abc0e4ce725a66e7c451b149636e89d14f16c2b0 /drivers | |
| parent | 434fd6353b4c83938029ca6ea7dfa4fc82d602bd (diff) | |
| download | linux-bd2a9adaadb8defcaf6c284bca7ff41634105f51.tar.gz linux-bd2a9adaadb8defcaf6c284bca7ff41634105f51.tar.bz2 linux-bd2a9adaadb8defcaf6c284bca7ff41634105f51.zip | |
x86/hyperv: Implement hv_get_tsc_page()
To use Hyper-V TSC page clocksource from vDSO we need to make tsc_pg
available. Implement hv_get_tsc_page() and add CONFIG_HYPERV_TSCPAGE to
make #ifdef-s simple.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: devel@linuxdriverproject.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: virtualization@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/20170303132142.25595-2-vkuznets@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hv/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig index 0403b51d20ba..c29cd5387a35 100644 --- a/drivers/hv/Kconfig +++ b/drivers/hv/Kconfig @@ -7,6 +7,9 @@ config HYPERV Select this option to run Linux as a Hyper-V client operating system. +config HYPERV_TSCPAGE + def_bool HYPERV && X86_64 + config HYPERV_UTILS tristate "Microsoft Hyper-V Utilities driver" depends on HYPERV && CONNECTOR && NLS |