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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-08-02 18:09:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-10 16:50:22 +0200 |
| commit | 79cadff2d92bb8b1448f6dba6861d15adc3dc4cb (patch) | |
| tree | 3329dc35d2219f6bc1ba3d554019ee24414301a1 | |
| parent | 636bf35880e5a79c2ecb10640137bbd9a4681cb7 (diff) | |
| download | linux-79cadff2d92bb8b1448f6dba6861d15adc3dc4cb.tar.gz linux-79cadff2d92bb8b1448f6dba6861d15adc3dc4cb.tar.bz2 linux-79cadff2d92bb8b1448f6dba6861d15adc3dc4cb.zip | |
x86/hyper-v: Include hyperv/ only when CONFIG_HYPERV is set
Code is arch/x86/hyperv/ is only needed when CONFIG_HYPERV is set, the
'basic' support and detection lives in arch/x86/kernel/cpu/mshyperv.c
which is included when CONFIG_HYPERVISOR_GUEST is set.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jork Loeser <Jork.Loeser@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Xiao <sixiao@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: devel@linuxdriverproject.org
Link: http://lkml.kernel.org/r/20170802160921.21791-2-vkuznets@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/x86/Kbuild | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild index 586b786b3edf..3e6f64073005 100644 --- a/arch/x86/Kbuild +++ b/arch/x86/Kbuild @@ -8,7 +8,7 @@ obj-$(CONFIG_KVM) += kvm/ obj-$(CONFIG_XEN) += xen/ # Hyper-V paravirtualization support -obj-$(CONFIG_HYPERVISOR_GUEST) += hyperv/ +obj-$(subst m,y,$(CONFIG_HYPERV)) += hyperv/ # lguest paravirtualization support obj-$(CONFIG_LGUEST_GUEST) += lguest/ diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index 2b58c8c1eeaa..baea2679a0aa 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -173,7 +173,12 @@ void hyperv_init(void); void hyperv_report_panic(struct pt_regs *regs); bool hv_is_hypercall_page_setup(void); void hyperv_cleanup(void); -#endif +#else /* CONFIG_HYPERV */ +static inline void hyperv_init(void) {} +static inline bool hv_is_hypercall_page_setup(void) { return false; } +static inline void hyperv_cleanup(void) {} +#endif /* CONFIG_HYPERV */ + #ifdef CONFIG_HYPERV_TSCPAGE struct ms_hyperv_tsc_page *hv_get_tsc_page(void); static inline u64 hv_read_tsc_page(const struct ms_hyperv_tsc_page *tsc_pg) |