similar to: [PATCH 5/6] X86: Prepare PCID/INVPCID for hvm

X86: Disable PCID/INVPCID for pv This patch disable PCID/INVPCID for pv. Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> diff -r 0b15aa9541dc tools/libxc/xc_cpufeature.h --- a/tools/libxc/xc_cpufeature.h Thu Nov 17 18:41:59 2011 +0800 +++ b/tools/libxc/xc_cpufeature.h Thu Nov 17 23:09:45 2011 +0800 @@ -78,6 +78,7 @@ #define X86_FEATURE_CX16 13 /* CMPXCHG16B */ #define

- use __clear_bit() rather than clear_bit() - use switch statements instead of long series of if-s - eliminate pointless casts (Applies cleanly only on top of the previously sent SVM/EFER patch.) Signed-off-by: Jan Beulich <jbeulich@novell.com> Index: 2007-08-08/xen/arch/x86/hvm/hvm.c =================================================================== ---

Expose tsc adjust to hvm guest Intel latest SDM (17.13.3) release a new MSR CPUID.7.0.EBX[1]=1 indicates TSC_ADJUST MSR 0x3b is supported. This patch expose it to hvm guest. Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> diff -r a6d12a1bc758 tools/libxc/xc_cpufeature.h --- a/tools/libxc/xc_cpufeature.h Thu Sep 20 00:03:25 2012 +0800 +++ b/tools/libxc/xc_cpufeature.h Thu Sep 20

X86: implement PCID/INVPCID for hvm This patch handle PCID/INVPCID for hvm: For hap hvm, we enable PCID/INVPCID, since no need to intercept INVPCID, and we just set INVPCID non-root behavior as running natively; For shadow hvm, we disable PCID/INVPCID, otherwise we need to emulate INVPCID at vmm by setting INVPCID non-root behavior as vmexit. Signed-off-by: Liu, Jinsong

Hello, I encountered the following bug when migrating a Linux-2.6.32.54 PV domain on Xen-3.4.3 between different hosts, whose uptime differs by several minutes (3 hosts, each ~5 minutes apart): When migrating from a host with lower uptime to a host with higher uptime, the VM looses it''s network connection for some time and then continues after some minutes (roughly equivalent to the

X86: expose HLE/RTM features to dom0 Intel recently release 2 new features, HLE and TRM. Refer to http://software.intel.com/file/41417. This patch expose them to dom0. Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> diff -r 92e03310878f xen/arch/x86/traps.c --- a/xen/arch/x86/traps.c Wed Feb 08 21:05:52 2012 +0800 +++ b/xen/arch/x86/traps.c Mon Feb 27 02:23:42 2012 +0800 @@ -857,9

Hi, I have been trying to get Hyperthreading to work in a Windows HVM on Xen 4.1.2 as described in ''xmexample.hvm''. I think I have set it up correctly, but I can''t seem to get it to work. There is not much documentation on it and most topics are from years ago. I''m curious to know to whether this functionality is still supposed to work. I''m aware that