AuxXxilium/linux_dsm_epyc7002
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9e7827b5ea
linux_dsm_epyc7002/arch/x86
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K. Y. Srinivasan 9e7827b5ea x86, hyperv: Get the local APIC timer frequency from the hypervisor 
Hyper-V supports a mechanism for retrieving the local APIC frequency.
Use this and bypass the calibration code in the kernel . This would
allow us to boot the Linux kernel as a "modern VM" on Hyper-V where
many of the legacy devices (such as PIT) are not emulated.

I would like to thank Olaf Hering <olaf@aepfle.de>, Jan Beulich <JBeulich@suse.com> and
H. Peter Anvin <h.peter.anvin@intel.com> for their help in this effort.

In this version of the patch, I have addressed Jan's comments.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Link: http://lkml.kernel.org/r/1380554932-9888-1-git-send-email-olaf@aepfle.de
Tested-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-10-10 11:44:12 -07:00
..
boot Merge branch 'x86-kaslr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 09:38:10 -07:00
configs x86, platform, kvm, kconfig: Turn existing .config's into KVM-capable configs 2013-05-28 12:11:32 +02:00
crypto Reinstate "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework" 2013-09-07 12:56:26 +10:00
ia32 Merge branch 'x86-smap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 11:08:32 -07:00
include x86, hyperv: Get the local APIC timer frequency from the hypervisor 2013-10-10 11:44:12 -07:00
kernel x86, hyperv: Get the local APIC timer frequency from the hypervisor 2013-10-10 11:44:12 -07:00
kvm KVM: VMX: do not check bit 12 of EPT violation exit qualification when undefined 2013-09-25 11:38:26 +02:00
lguest lguest: fix GPF in guest when using gdb. 2013-09-06 08:09:28 +09:30
lib Merge branch 'x86-smap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 11:08:32 -07:00
math-emu
mm x86: finish user fault error path with fatal signal 2013-09-12 15:38:01 -07:00
net x86: bpf_jit_comp: secure bpf jit against spraying attacks 2013-05-19 23:55:41 -07:00
oprofile oprofilefs_create_...() do not need superblock argument 2013-09-03 22:52:48 -04:00
pci Revert "x86/PCI: MMCONFIG: Check earlier for MMCONFIG region at address zero" 2013-10-04 16:15:29 -06:00
platform x86, efi: Don't map Boot Services on i386 2013-09-18 14:42:33 +01:00
power x86, asmlinkage, power: Make various symbols used by the suspend asm code visible 2013-08-06 14:21:03 -07:00
realmode x86, relocs: Refactor the relocs tool to merge 32- and 64-bit ELF 2013-04-16 16:02:58 -07:00
syscalls unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE 2013-05-09 13:46:38 -04:00
tools Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 08:39:38 -07:00
um um: prctl: Do not include linux/ptrace.h 2013-09-07 10:57:11 +02:00
vdso remove sched notifier for cross-cpu migrations 2013-07-18 12:29:30 +02:00
video
xen Bug-fixes: 2013-09-25 15:50:53 -07:00
.gitignore
Kbuild
Kconfig Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-18 11:26:17 -05:00
Kconfig.cpu
Kconfig.debug Merge branch 'kconfig-diet' from Dave Hansen 2013-07-04 11:25:51 -07:00
Makefile x86, relocs: Move ELF relocation handling to C 2013-08-07 21:00:04 -07:00
Makefile_32.cpu
Makefile.um