diff options
author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-03-03 08:21:40 -0500 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2017-03-11 08:47:28 -0500 |
commit | bd2a9adaadb8defcaf6c284bca7ff41634105f51 (patch) | |
tree | abc0e4ce725a66e7c451b149636e89d14f16c2b0 /drivers/hv | |
parent | 434fd6353b4c83938029ca6ea7dfa4fc82d602bd (diff) |
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/hv')
-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 | |||
7 | Select this option to run Linux as a Hyper-V client operating | 7 | Select this option to run Linux as a Hyper-V client operating |
8 | system. | 8 | system. |
9 | 9 | ||
10 | config HYPERV_TSCPAGE | ||
11 | def_bool HYPERV && X86_64 | ||
12 | |||
10 | config HYPERV_UTILS | 13 | config HYPERV_UTILS |
11 | tristate "Microsoft Hyper-V Utilities driver" | 14 | tristate "Microsoft Hyper-V Utilities driver" |
12 | depends on HYPERV && CONNECTOR && NLS | 15 | depends on HYPERV && CONNECTOR && NLS |