diff options
| author |   Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-08-02 18:09:14 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-08-10 16:50:22 +0200 |
| commit | fc53662f13b889a5a1c069e79ee1e3d4534df132 (patch) | |
| tree | 5f4c144bbc80cb0e6862fc59caf82665164dbf39 /include/linux/hyperv.h | |
| parent | x86/hyper-v: Include hyperv/ only when CONFIG_HYPERV is set (diff) | |
| download | linux-dev-fc53662f13b889a5a1c069e79ee1e3d4534df132.tar.xz linux-dev-fc53662f13b889a5a1c069e79ee1e3d4534df132.zip | |
x86/hyper-v: Make hv_do_hypercall() inline
We have only three call sites for hv_do_hypercall() and we're going to
change HVCALL_SIGNAL_EVENT to doing fast hypercall so we can inline this
function for optimization.
Hyper-V top level functional specification states that r9-r11 registers
and flags may be clobbered by the hypervisor during hypercall and with
inlining this is somewhat important, add the clobbers.
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/20170802160921.21791-3-vkuznets@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index b7d7bbec74e0..6608a71e7d79 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1187,7 +1187,6 @@ int vmbus_allocate_mmio(struct resource **new, struct hv_device *device_obj, bool fb_overlap_ok); void vmbus_free_mmio(resource_size_t start, resource_size_t size); int vmbus_cpu_number_to_vp_number(int cpu_number); -u64 hv_do_hypercall(u64 control, void *input, void *output); /* * GUID definitions of various offer types - services offered to the guest. |