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248e742a39
linux/arch/x86/include/uapi/asm
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Michael Kelley 248e742a39 Drivers: hv: vmbus: Implement Direct Mode for stimer0 
The 2016 version of Hyper-V offers the option to operate the guest VM
per-vcpu stimer's in Direct Mode, which means the timer interupts on its
own vector rather than queueing a VMbus message. Direct Mode reduces
timer processing overhead in both the hypervisor and the guest, and
avoids having timer interrupts pollute the VMbus interrupt stream for
the synthetic NIC and storage.  This patch enables Direct Mode by
default on stimer0 when running on a version of Hyper-V that supports
it.

In prep for coming support of Hyper-V on ARM64, the arch independent
portion of the code contains calls to routines that will be populated
on ARM64 but are not needed and do nothing on x86.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-06 09:57:17 -08:00
..
a.out.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
auxvec.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
bitsperlong.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
boot.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
bootparam.h x86/jailhouse: Add infrastructure for running in non-root cell 2018-01-14 21:11:54 +01:00
byteorder.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugreg.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
e820.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
errno.h
fcntl.h
hw_breakpoint.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
hwcap2.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hyperv.h Drivers: hv: vmbus: Implement Direct Mode for stimer0 2018-03-06 09:57:17 -08:00
ioctl.h
ioctls.h
ipcbuf.h
ist.h License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
Kbuild Merge branch 'misc.poll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-01-30 17:58:07 -08:00
kvm_para.h KVM: x86: fix backward migration with async_PF 2018-02-24 01:43:48 +01:00
kvm_perf.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
kvm.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
ldt.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
mce.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
mman.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
msgbuf.h
msr.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
mtrr.h License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
param.h
perf_regs.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
posix_types_32.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
posix_types_64.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
posix_types_x32.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
posix_types.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
prctl.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
processor-flags.h Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-12-29 17:02:49 -08:00
ptrace-abi.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
ptrace.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
resource.h
sembuf.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
setup.h
shmbuf.h
sigcontext32.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sigcontext.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
siginfo.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
signal.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
socket.h
sockios.h
stat.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
statfs.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
svm.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
swab.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
termbits.h
termios.h
types.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ucontext.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
unistd.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
vm86.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
vmx.h License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
vsyscall.h License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00