search for: kvm_para

...n we have a generic kvm guest initialization function available. So, we move kvmclock_init() inside such a function, leading to a cleaner code. Signed-off-by: Glauber Costa <gcosta at redhat.com> --- arch/x86/kernel/kvm.c | 2 ++ arch/x86/kernel/setup_32.c | 4 ---- include/linux/kvm_para.h | 5 +++++ 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index d9121f9..5cad368 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -210,6 +210,8 @@ static void paravirt_ops_setup(void) pv_info.name = "KVM&qu...

...n we have a generic kvm guest initialization function available. So, we move kvmclock_init() inside such a function, leading to a cleaner code. Signed-off-by: Glauber Costa <gcosta at redhat.com> --- arch/x86/kernel/kvm.c | 2 ++ arch/x86/kernel/setup_32.c | 4 ---- include/linux/kvm_para.h | 5 +++++ 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index d9121f9..5cad368 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -210,6 +210,8 @@ static void paravirt_ops_setup(void) pv_info.name = "KVM&qu...

...for PV spinlock Documentation/virtual/kvm/api.txt | 7 + Documentation/virtual/kvm/cpuid.txt | 4 + Documentation/virtual/kvm/hypercalls.txt | 59 +++++++ Documentation/virtual/kvm/msr.txt | 9 + arch/x86/Kconfig | 9 + arch/x86/include/asm/kvm_para.h | 18 ++- arch/x86/kernel/kvm.c | 254 ++++++++++++++++++++++++++++++ arch/x86/kvm/cpuid.c | 3 +- arch/x86/kvm/x86.c | 40 +++++- arch/x86/xen/debugfs.c | 104 ------------ arch/x86/xen/debugfs.h...

...for PV spinlock Documentation/virtual/kvm/api.txt | 7 + Documentation/virtual/kvm/cpuid.txt | 4 + Documentation/virtual/kvm/hypercalls.txt | 59 +++++++ Documentation/virtual/kvm/msr.txt | 9 + arch/x86/Kconfig | 9 + arch/x86/include/asm/kvm_para.h | 18 ++- arch/x86/kernel/kvm.c | 254 ++++++++++++++++++++++++++++++ arch/x86/kvm/cpuid.c | 3 +- arch/x86/kvm/x86.c | 40 +++++- arch/x86/xen/debugfs.c | 104 ------------ arch/x86/xen/debugfs.h...

...ivatsa Vaddagiri (1): kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Documentation/virtual/kvm/cpuid.txt | 4 ++++ Documentation/virtual/kvm/hypercalls.txt | 14 ++++++++++++++ arch/x86/include/asm/kvm_host.h | 5 +++++ arch/x86/include/uapi/asm/kvm_para.h | 1 + arch/x86/kvm/cpuid.c | 3 ++- arch/x86/kvm/lapic.c | 5 ++++- arch/x86/kvm/x86.c | 31 ++++++++++++++++++++++++++++++- include/uapi/linux/kvm_para.h | 1 + 8 files changed, 61 insertions(+), 3 deletions(-) --...

...ivatsa Vaddagiri (1): kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Documentation/virtual/kvm/cpuid.txt | 4 ++++ Documentation/virtual/kvm/hypercalls.txt | 14 ++++++++++++++ arch/x86/include/asm/kvm_host.h | 5 +++++ arch/x86/include/uapi/asm/kvm_para.h | 1 + arch/x86/kvm/cpuid.c | 3 ++- arch/x86/kvm/lapic.c | 5 ++++- arch/x86/kvm/x86.c | 31 ++++++++++++++++++++++++++++++- include/uapi/linux/kvm_para.h | 1 + 8 files changed, 61 insertions(+), 3 deletions(-) --...

...ery_to_apic Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock --- Documentation/virtual/kvm/cpuid.txt | 4 ++++ Documentation/virtual/kvm/hypercalls.txt | 14 ++++++++++++++ arch/x86/include/asm/kvm_host.h | 5 +++++ arch/x86/include/uapi/asm/kvm_para.h | 1 + arch/x86/kvm/cpuid.c | 3 ++- arch/x86/kvm/lapic.c | 5 ++++- arch/x86/kvm/x86.c | 31 ++++++++++++++++++++++++++++++- include/uapi/linux/kvm_para.h | 1 + 8 files changed, 61 insertions(+), 3 deletions(-)

...ery_to_apic Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock --- Documentation/virtual/kvm/cpuid.txt | 4 ++++ Documentation/virtual/kvm/hypercalls.txt | 14 ++++++++++++++ arch/x86/include/asm/kvm_host.h | 5 +++++ arch/x86/include/uapi/asm/kvm_para.h | 1 + arch/x86/kvm/cpuid.c | 3 ++- arch/x86/kvm/lapic.c | 5 ++++- arch/x86/kvm/x86.c | 31 ++++++++++++++++++++++++++++++- include/uapi/linux/kvm_para.h | 1 + 8 files changed, 61 insertions(+), 3 deletions(-)

...em performance far worse than early yielding. Use one field of struct kvm_steal_time ::preempted to indicate that if one vcpu is running or not. Signed-off-by: Pan Xinhui <xinhui.pan at linux.vnet.ibm.com> Acked-by: Paolo Bonzini <pbonzini at redhat.com> --- arch/x86/include/uapi/asm/kvm_para.h | 4 +++- arch/x86/kvm/x86.c | 16 ++++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/uapi/asm/kvm_para.h b/arch/x86/include/uapi/asm/kvm_para.h index 94dc8ca..1421a65 100644 --- a/arch/x86/include/uapi/asm/kvm_para.h +++ b/arch/x86...

These new error codes can give the introspection tool more information about why a introspection command failed, helping it to handle some error cases. Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- include/uapi/linux/kvm_para.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/uapi/linux/kvm_para.h b/include/uapi/linux/kvm_para.h index 8b86609849b9..3ce388249682 100644 --- a/include/uapi/linux/kvm_para.h +++ b/include/uapi/linux/kvm_para.h @@ -17,6 +17,10 @@ #define KVM_E2BIG E2BIG #define KVM_EPERM EP...

...lls.txt | 59 +++++++ arch/ia64/include/asm/kvm_host.h | 3 + arch/powerpc/include/asm/kvm_host.h | 4 + arch/s390/include/asm/kvm_host.h | 4 + arch/x86/Kconfig | 9 + arch/x86/include/asm/kvm_host.h | 6 + arch/x86/include/asm/kvm_para.h | 16 ++- arch/x86/kernel/kvm.c | 254 ++++++++++++++++++++++++++++++ arch/x86/kvm/cpuid.c | 3 +- arch/x86/kvm/x86.c | 46 ++++++- include/linux/kvm.h | 1 + include/linux/kvm_para.h...

...lls.txt | 59 +++++++ arch/ia64/include/asm/kvm_host.h | 3 + arch/powerpc/include/asm/kvm_host.h | 4 + arch/s390/include/asm/kvm_host.h | 4 + arch/x86/Kconfig | 9 + arch/x86/include/asm/kvm_host.h | 6 + arch/x86/include/asm/kvm_para.h | 16 ++- arch/x86/kernel/kvm.c | 254 ++++++++++++++++++++++++++++++ arch/x86/kvm/cpuid.c | 3 +- arch/x86/kvm/x86.c | 46 ++++++- include/linux/kvm.h | 1 + include/linux/kvm_para.h...

...case 1x: 159.725 (47.4906) 159.07 (47.8133) 0.41008 case 2x: 190.957 (49.2976) 187.273 (50.5469) 1.92923 case 3x: 226.317 (88.6023) 223.698 (90.4362) 1.15723 --- 13 files changed, 454 insertions(+), 112 deletions(-) arch/x86/Kconfig | 9 ++ arch/x86/include/asm/kvm_para.h | 17 +++- arch/x86/kernel/kvm.c | 247 +++++++++++++++++++++++++++++++++++++++ arch/x86/kvm/x86.c | 28 +++++- arch/x86/xen/debugfs.c | 104 ---------------- arch/x86/xen/debugfs.h | 4 - arch/x86/xen/spinlock.c | 2 +- fs/debugfs/file...

...case 1x: 159.725 (47.4906) 159.07 (47.8133) 0.41008 case 2x: 190.957 (49.2976) 187.273 (50.5469) 1.92923 case 3x: 226.317 (88.6023) 223.698 (90.4362) 1.15723 --- 13 files changed, 454 insertions(+), 112 deletions(-) arch/x86/Kconfig | 9 ++ arch/x86/include/asm/kvm_para.h | 17 +++- arch/x86/kernel/kvm.c | 247 +++++++++++++++++++++++++++++++++++++++ arch/x86/kvm/x86.c | 28 +++++- arch/x86/xen/debugfs.c | 104 ---------------- arch/x86/xen/debugfs.h | 4 - arch/x86/xen/spinlock.c | 2 +- fs/debugfs/file...

...urrent) | 23224.3 lpm | 22607.4 lpm Shell Scripts (8 concurrent) | 3531.4 lpm | 3211.9 lpm System Call Overhead | 10385653.0 lps | 10419979.0 lps Signed-off-by: Pan Xinhui <xinhui.pan at linux.vnet.ibm.com> --- arch/x86/include/uapi/asm/kvm_para.h | 3 ++- arch/x86/kernel/kvm.c | 12 ++++++++++++ arch/x86/kvm/x86.c | 18 ++++++++++++++++++ 3 files changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/uapi/asm/kvm_para.h b/arch/x86/include/uapi/asm/kvm_para.h index 94dc8ca..b3fec56 100644...

...Both halt() and safe_halt() are more paravirt calls, but given we're in a KVM paravirt call already, I suppose we can directly use native_*() here. Something like so then... I suppose, but then the Xen variants need TLC too. --- arch/x86/include/asm/irqflags.h | 4 ++-- arch/x86/include/asm/kvm_para.h | 18 +++++++++--------- arch/x86/kernel/kvm.c | 14 +++++++------- 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h index 02a0cf547d7b..7c614db25274 100644 --- a/arch/x86/include/asm/irqflags.h +++ b/arch...

...pm | 3211.9 lpm System Call Overhead | 10385653.0 lps | 10419979.0 lps Signed-off-by: Pan Xinhui <xinhui.pan at linux.vnet.ibm.com> --- arch/x86/include/asm/paravirt_types.h | 6 ++++++ arch/x86/include/asm/spinlock.h | 8 ++++++++ arch/x86/include/uapi/asm/kvm_para.h | 3 ++- arch/x86/kernel/kvm.c | 11 +++++++++++ arch/x86/kernel/paravirt.c | 11 +++++++++++ arch/x86/kvm/x86.c | 12 ++++++++++++ 6 files changed, 50 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/inclu...

...9 +- > arch/x86/Kconfig | 14 + > arch/x86/Kconfig.debug | 13 + > arch/x86/entry/entry_64.S | 5 + > arch/x86/include/asm/alternative.h | 20 +- > arch/x86/include/asm/kvm_host.h | 6 + > arch/x86/include/asm/kvm_para.h | 17 + > arch/x86/include/asm/paravirt.h | 10 +- > arch/x86/include/asm/paravirt_types.h | 230 ++++-- > arch/x86/include/asm/text-patching.h | 18 +- > arch/x86/include/uapi/asm/kvm_para.h | 2 + > arch/x86/kernel/Makefile | 1 + > arch...

...h/x86/include/asm/kvm_host.h | 11 +++++- arch/x86/kvm/Kconfig | 7 ++++ arch/x86/kvm/mmu.c | 72 ++++++++++++++++++++++++++++++------ arch/x86/kvm/x86.c | 82 +++++++++++++++++++++++++++++++++++++++-- include/linux/kvm_host.h | 3 ++ include/uapi/linux/kvm_para.h | 1 + virt/kvm/kvm_main.c | 29 +++++++++++++-- 7 files changed, 186 insertions(+), 19 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index c13cd28d9d1b..128bcfa246a3 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/...

...kvmi.rst | 36 +++++++++++++++- arch/x86/include/uapi/asm/kvmi.h | 2 + arch/x86/kvm/kvmi.c | 33 ++++++++++++++ arch/x86/kvm/x86.c | 16 +++++-- include/linux/kvmi_host.h | 2 + include/uapi/linux/kvm_para.h | 1 + include/uapi/linux/kvmi.h | 1 + .../testing/selftests/kvm/x86_64/kvmi_test.c | 43 +++++++++++++++++++ virt/kvm/introspection/kvmi.c | 22 ++++++++++ virt/kvm/introspection/kvmi_int.h | 13 +++++- virt/kvm/introspection/kv...