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...3 into patch 2 for bisection. (Eric Northup) Raghavendra K T (3): kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi kvm hypervisor: Simplify kvm_for_each_vcpu with kvm_irq_delivery_to_apic Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock Srivatsa 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_pa...

...3 into patch 2 for bisection. (Eric Northup) Raghavendra K T (3): kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi kvm hypervisor: Simplify kvm_for_each_vcpu with kvm_irq_delivery_to_apic Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock Srivatsa 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_pa...

...4 kernel changes: https://lkml.org/lkml/2012/1/14/66 Qemu changes for V4: http://www.mail-archive.com/kvm at vger.kernel.org/msg66450.html V3 kernel Changes: https://lkml.org/lkml/2011/11/30/62 V2 kernel changes : https://lkml.org/lkml/2011/10/23/207 Previous discussions : (posted by Srivatsa V). https://lkml.org/lkml/2010/7/26/24 https://lkml.org/lkml/2011/1/19/212 Qemu patch for V3: http://lists.gnu.org/archive/html/qemu-devel/2011-12/msg00397.html Srivatsa Vaddagiri (3): Add a hypercall to KVM hypervisor to support pv-ticketlocks Added configuration support to enable deb...

...4 kernel changes: https://lkml.org/lkml/2012/1/14/66 Qemu changes for V4: http://www.mail-archive.com/kvm at vger.kernel.org/msg66450.html V3 kernel Changes: https://lkml.org/lkml/2011/11/30/62 V2 kernel changes : https://lkml.org/lkml/2011/10/23/207 Previous discussions : (posted by Srivatsa V). https://lkml.org/lkml/2010/7/26/24 https://lkml.org/lkml/2011/1/19/212 Qemu patch for V3: http://lists.gnu.org/archive/html/qemu-devel/2011-12/msg00397.html Srivatsa Vaddagiri (3): Add a hypercall to KVM hypervisor to support pv-ticketlocks Added configuration support to enable deb...

...V4 kernel changes: https://lkml.org/lkml/2012/1/14/66 Qemu changes for V4: http://www.mail-archive.com/kvm at vger.kernel.org/msg66450.html V3 kernel Changes: https://lkml.org/lkml/2011/11/30/62 V2 kernel changes : https://lkml.org/lkml/2011/10/23/207 Previous discussions : (posted by Srivatsa V). https://lkml.org/lkml/2010/7/26/24 https://lkml.org/lkml/2011/1/19/212 Qemu patch for V3: http://lists.gnu.org/archive/html/qemu-devel/2011-12/msg00397.html Srivatsa Vaddagiri, Suzuki Poulose, Raghavendra K T (6): Add debugfs support to print u32-arrays in debugfs Add a hypercall t...

...V4 kernel changes: https://lkml.org/lkml/2012/1/14/66 Qemu changes for V4: http://www.mail-archive.com/kvm at vger.kernel.org/msg66450.html V3 kernel Changes: https://lkml.org/lkml/2011/11/30/62 V2 kernel changes : https://lkml.org/lkml/2011/10/23/207 Previous discussions : (posted by Srivatsa V). https://lkml.org/lkml/2010/7/26/24 https://lkml.org/lkml/2011/1/19/212 Qemu patch for V3: http://lists.gnu.org/archive/html/qemu-devel/2011-12/msg00397.html Srivatsa Vaddagiri, Suzuki Poulose, Raghavendra K T (6): Add debugfs support to print u32-arrays in debugfs Add a hypercall t...

This series forms the kvm host part of paravirtual spinlock based against kvm tree. Please refer https://lkml.org/lkml/2013/8/6/178 for kvm guest part of the series. Please note that: kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi is a common patch for both guest and host. Srivatsa Vaddagiri (1): kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Raghavendra K T (4): kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi kvm : Fold pv_unhalt flag into GET_MP_STATE ioctl to aid migration kvm hypervisor: Simplify kvm_for_each_vcpu with kvm_i...

This series forms the kvm host part of paravirtual spinlock based against kvm tree. Please refer https://lkml.org/lkml/2013/8/6/178 for kvm guest part of the series. Please note that: kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi is a common patch for both guest and host. Srivatsa Vaddagiri (1): kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Raghavendra K T (4): kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi kvm : Fold pv_unhalt flag into GET_MP_STATE ioctl to aid migration kvm hypervisor: Simplify kvm_for_each_vcpu with kvm_i...

KVM_HC_KICK_CPU hypercall added to wakeup halted vcpu in paravirtual spinlock enabled guest. KVM_FEATURE_PV_UNHALT enables guest to check whether pv spinlock can be enabled in guest. Thanks Vatsa for rewriting KVM_HC_KICK_CPU Cc: Rob Landley <rob at landley.net> Signed-off-by: Srivatsa Vaddagiri <vatsa at linux.vnet.ibm.com> Signed-off-by: Raghavendra K T <raghavendra.kt at linux.vnet.ibm.com> Acked-by: Gleb Natapov <gleb at redhat.com> Acked-by: Ingo Molnar <ming...

...entation. One hypercall is introduced in KVM hypervisor,that allows a vcpu to kick another vcpu out of halt state. The blocking of vcpu is done using halt() in (lock_spinning) slowpath. The V2 change discussion was in: https://lkml.org/lkml/2011/10/23/207 Previous discussions : (posted by Srivatsa V). https://lkml.org/lkml/2010/7/26/24 https://lkml.org/lkml/2011/1/19/212 The BASE patch is tip 3.2-rc1 + Jeremy's following patches. xadd (https://lkml.org/lkml/2011/10/4/328) x86/ticketlocklock (https://lkml.org/lkml/2011/10/12/496). Changes in V3: - rebased to 3.2-rc1 - use halt() instea...

...entation. One hypercall is introduced in KVM hypervisor,that allows a vcpu to kick another vcpu out of halt state. The blocking of vcpu is done using halt() in (lock_spinning) slowpath. The V2 change discussion was in: https://lkml.org/lkml/2011/10/23/207 Previous discussions : (posted by Srivatsa V). https://lkml.org/lkml/2010/7/26/24 https://lkml.org/lkml/2011/1/19/212 The BASE patch is tip 3.2-rc1 + Jeremy's following patches. xadd (https://lkml.org/lkml/2011/10/4/328) x86/ticketlocklock (https://lkml.org/lkml/2011/10/12/496). Changes in V3: - rebased to 3.2-rc1 - use halt() instea...

1. I get the following error when I run “puppet device’ err: Could not request certificate: Could not write /var/opt/lib/pe-puppet/devices/certname/ssl/private_keys/certname.pem to privatekeydir: Permission denied - /var/opt/lib/pe-puppet/devices/certname/ssl/private_keys/certname.pem Any thought? Thanks, -- You received this message because you are subscribed to the Google Groups

...locks: Add xen_nopvspin parameter to disable xen pv ticketlocks x86/pvticketlock: Use callee-save for lock_spinning x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 x86/ticketlock: Add slowpath logic xen/pvticketlock: Allow interrupts to be enabled while blocking Srivatsa Vaddagiri (3): Add a hypercall to KVM hypervisor to support pv-ticketlocks Added configuration support to enable debug information for KVM Guests Paravirtual ticketlock support for linux guests running on KVM hypervisor Raghavendra K T (3): x86/ticketlock: Don't inline _spin_unlock wh...

...locks: Add xen_nopvspin parameter to disable xen pv ticketlocks x86/pvticketlock: Use callee-save for lock_spinning x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 x86/ticketlock: Add slowpath logic xen/pvticketlock: Allow interrupts to be enabled while blocking Srivatsa Vaddagiri (3): Add a hypercall to KVM hypervisor to support pv-ticketlocks Added configuration support to enable debug information for KVM Guests Paravirtual ticketlock support for linux guests running on KVM hypervisor Raghavendra K T (3): x86/ticketlock: Don't inline _spin_unlock wh...

On Thu, Apr 30, 2020 at 03:32:56PM +0530, Srivatsa Vaddagiri wrote: > Some hypervisors may not support MMIO transport i.e trap config > space access and have it be handled by backend driver. They may > allow other ways to interact with backend such as message-queue > or doorbell API. This patch allows for hypervisor specific > method...

Hi Vatsa, On Thu, Apr 30, 2020 at 03:59:39PM +0530, Srivatsa Vaddagiri wrote: > * Will Deacon <will at kernel.org> [2020-04-30 11:08:22]: > > > > This patch is meant to seek comments. If its considered to be in right > > > direction, will work on making it more complete and s...

...LE = "Fast copy coalescing and live-range identification", BOOKTITLE = "PLDI", PAGES = "25-32", PUBLISHER = "ACM Press" } @InProceedings{Sreedhar99, AUTHOR = "Vugranam C. Sreedhar and Roy Dz-ching Ju and David M. Gillies and Vatsa Santhanam", YEAR = 1999, TITLE = "Translating out of Static Single Assignment Form", booktitle = {SAS}, publisher = {Springer-Verlag}, pages = {194-210} } And I have a quite fast algo that I believe is simpler than [Budimlic02] and I can share it wi...

Hi Srivatsa, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on vhost/linux-next] [also build test WARNING on xen-tip/linux-next linus/master v5.7-rc3 next-20200428] [cannot apply to swiotlb/linux-next] [if your patch is applied to the wrong git tree, please drop us a note to...

...isable xen pv ticketlocks x86/pvticketlock: Use callee-save for lock_spinning x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 x86/ticketlock: Add slowpath logic xen/pvticketlock: Allow interrupts to be enabled while blocking Andrew Jones (1): Split jumplabel ratelimit Srivatsa Vaddagiri (3): kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks kvm guest : Add configuration support to enable debug information for KVM Guests kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T (5): x86/ticketlock: Don...

...isable xen pv ticketlocks x86/pvticketlock: Use callee-save for lock_spinning x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 x86/ticketlock: Add slowpath logic xen/pvticketlock: Allow interrupts to be enabled while blocking Andrew Jones (1): Split jumplabel ratelimit Srivatsa Vaddagiri (3): kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks kvm guest : Add configuration support to enable debug information for KVM Guests kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T (5): x86/ticketlock: Don...