Re: read_barrier_depends() usage in vhost.c

2019-12-19 Thread Jason Wang
On 2019/12/18 下午5:19, Herbert Xu wrote: Will Deacon wrote: --->8 // drivers/vhost/vhost.c static int get_indirect(struct vhost_virtqueue *vq, struct iovec iov[], unsigned int iov_size, unsigned int *out_num, unsigned int *in_num,

[PATCH 4.9 115/199] virtio-balloon: fix managed page counts when migrating pages between zones

2019-12-19 Thread Greg Kroah-Hartman
From: David Hildenbrand commit 63341ab03706e11a31e3dd8ccc0fbc9beaf723f0 upstream. In case we have to migrate a ballon page to a newpage of another zone, the managed page count of both zones is wrong. Paired with memory offlining (which will adjust the managed page count), we can trigger kernel c

[PATCH 4.4 098/162] virtio-balloon: fix managed page counts when migrating pages between zones

2019-12-19 Thread Greg Kroah-Hartman
From: David Hildenbrand commit 63341ab03706e11a31e3dd8ccc0fbc9beaf723f0 upstream. In case we have to migrate a ballon page to a newpage of another zone, the managed page count of both zones is wrong. Paired with memory offlining (which will adjust the managed page count), we can trigger kernel c

Re: [PATCH v10 00/11] x86: PIE support to extend KASLR randomization

2019-12-19 Thread Thomas Garnier
On Thu, Dec 19, 2019 at 5:35 AM Peter Zijlstra wrote: > > On Wed, Dec 04, 2019 at 04:09:37PM -0800, Thomas Garnier wrote: > > Minor changes based on feedback and rebase from v9. > > > > Splitting the previous serie in two. This part contains assembly code > > changes required for PIE but without a

Re: [PATCH v3 4/5] iommu: intel: Use generic_iommu_put_resv_regions()

2019-12-19 Thread Joerg Roedel
On Thu, Dec 19, 2019 at 01:47:47PM +0100, Thierry Reding wrote: > On Thu, Dec 19, 2019 at 09:53:22AM +0800, Lu Baolu wrote: > > Please tweak the title to > > > > "iommu/vt-d: Use generic_iommu_put_resv_regions()" > > > > then, > > > > Acked-by: Lu Baolu > > > > Best regards, > > baolu > > Joe

CfP VHPC20: HPC Containers-Kubernetes

2019-12-19 Thread VHPC 20
CALL FOR PAPERS 15th Workshop on Virtualization in High-Performance Cloud Computing (VHPC 20) held in conjunction with the International Supercomputing Conference - High Performance, June 21-25, 2020, Frankfurt, Germany. (Springe

Re: [PATCH v10 00/11] x86: PIE support to extend KASLR randomization

2019-12-19 Thread Peter Zijlstra
On Wed, Dec 04, 2019 at 04:09:37PM -0800, Thomas Garnier wrote: > Minor changes based on feedback and rebase from v9. > > Splitting the previous serie in two. This part contains assembly code > changes required for PIE but without any direct dependencies with the > rest of the patchset. ISTR sugg

Re: [PATCH v3 4/5] iommu: intel: Use generic_iommu_put_resv_regions()

2019-12-19 Thread Thierry Reding
On Thu, Dec 19, 2019 at 09:53:22AM +0800, Lu Baolu wrote: > Please tweak the title to > > "iommu/vt-d: Use generic_iommu_put_resv_regions()" > > then, > > Acked-by: Lu Baolu > > Best regards, > baolu Joerg, do you want me to resend with this change or is it more efficient if you fix up the su

Re: [PATCH 2/5] KVM: arm64: Implement PV_LOCK_FEATURES call

2019-12-19 Thread yezengruan
Hi Steve, On 2019/12/17 22:28, Steven Price wrote: > On Tue, Dec 17, 2019 at 01:55:46PM +, yezengr...@huawei.com wrote: >> From: Zengruan Ye >> >> This provides a mechanism for querying which paravirtualized lock >> features are available in this hypervisor. >> >> Also add the header file whi

Re: [PATCH 1/5] KVM: arm64: Document PV-lock interface

2019-12-19 Thread yezengruan
Hi Steve, On 2019/12/17 22:21, Steven Price wrote: > On Tue, Dec 17, 2019 at 01:55:45PM +, yezengr...@huawei.com wrote: >> From: Zengruan Ye >> >> Introduce a paravirtualization interface for KVM/arm64 to obtain the vcpu >> is currently running or not. >> >> A hypercall interface is provided

Re: [PATCH net-next v3 00/11] VSOCK: add vsock_test test suite

2019-12-19 Thread Stefan Hajnoczi
On Wed, Dec 18, 2019 at 07:06:57PM +0100, Stefano Garzarella wrote: > The vsock_diag.ko module already has a test suite but the core AF_VSOCK > functionality has no tests. This patch series adds several test cases that > exercise AF_VSOCK SOCK_STREAM socket semantics (send/recv, connect/accept, > h