[PATCH v6 2/3][v4.9.y] infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping

2019-08-03 Thread Ajay Kaher
to Jason for pointing this. Signed-off-by: Ajay Kaher Reviewed-by: Jason Gunthorpe --- drivers/infiniband/hw/mlx4/main.c | 4 +++- drivers/infiniband/hw/mlx5/main.c | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband

[PATCH v6 3/3] [v4.9.y] coredump: fix race condition between collapse_huge_page() and core dumping

2019-08-03 Thread Ajay Kaher
Signed-off-by: Greg Kroah-Hartman [Ajay: Just adjusted to apply on v4.9] Signed-off-by: Ajay Kaher --- include/linux/mm.h | 4 mm/khugepaged.c| 3 +++ 2 files changed, 7 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index c239984..8852158 100644 --- a/include/l

[PATCH v6 0/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-08-03 Thread Ajay Kaher
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping [PATCH v5 1/3]: Backporting of commit 04f5866e41fb70690e28397487d8bd8eea7d712a upstream. [PATCH v5 2/3]: Extension of commit 04f5866e41fb to fix the race condition between get_task_mm() and core dumping for IB->m

[PATCH v6 1/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-08-03 Thread Ajay Kaher
by: Peter Xu Reviewed-by: Mike Rapoport Reviewed-by: Oleg Nesterov Reviewed-by: Jann Horn Acked-by: Jason Gunthorpe Acked-by: Michal Hocko Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman [aka...@vmware.com: stable 4.9 backport - handle bi

Re: [PATCH v5 0/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-07-12 Thread Ajay Kaher
Greg, I hope you would like to include these patches in next release. In case any review comment please let me know. - Ajay On 01/07/19, 4:03 PM, "Ajay Kaher" wrote: > coredump: fix race condition between mmget_not_zero()/get_task_mm() > and core dumping > [PATCH v5

[PATCH v5 0/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-07-01 Thread Ajay Kaher
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping [PATCH v5 1/3]: Backporting of commit 04f5866e41fb70690e28397487d8bd8eea7d712a upstream. [PATCH v5 2/3]: Extension of commit 04f5866e41fb to fix the race condition between get_task_mm() and core dumping for IB->m

[PATCH v5 2/3][v4.9.y] infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping

2019-07-01 Thread Ajay Kaher
to Jason for pointing this. Signed-off-by: Ajay Kaher Reviewed-by: Jason Gunthorpe --- drivers/infiniband/hw/mlx4/main.c | 4 +++- drivers/infiniband/hw/mlx5/main.c | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband

[PATCH v5 3/3] [v4.9.y] coredump: fix race condition between collapse_huge_page() and core dumping

2019-07-01 Thread Ajay Kaher
Signed-off-by: Greg Kroah-Hartman [Ajay: Just adjusted to apply on v4.9] Signed-off-by: Ajay Kaher --- include/linux/mm.h | 4 mm/khugepaged.c| 3 +++ 2 files changed, 7 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index c239984..8852158 100644 --- a/include/l

[PATCH v5 1/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-07-01 Thread Ajay Kaher
by: Peter Xu Reviewed-by: Mike Rapoport Reviewed-by: Oleg Nesterov Reviewed-by: Jann Horn Acked-by: Jason Gunthorpe Acked-by: Michal Hocko Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman [aka...@vmware.com: stable 4.9 backport - handle b

Re: [PATCH v4 0/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-25 Thread Ajay Kaher
On 25/06/19, 1:51 AM, "Sasha Levin" wrote: > On Tue, Jun 25, 2019 at 02:33:06AM +0530, Ajay Kaher wrote: > > coredump: fix race condition between mmget_not_zero()/get_task_mm() > > and core dumping > > > > [PATCH v4 1/3]: > > Backporting of comm

[PATCH v4 0/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-24 Thread Ajay Kaher
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping [PATCH v4 1/3]: Backporting of commit 04f5866e41fb70690e28397487d8bd8eea7d712a upstream. [PATCH v4 2/3]: Extension of commit 04f5866e41fb to fix the race condition between get_task_mm() and core dumping for IB->m

[PATCH v4 2/3][v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-24 Thread Ajay Kaher
to Jason for pointing this. Signed-off-by: Ajay Kaher --- drivers/infiniband/hw/mlx4/main.c | 4 +++- drivers/infiniband/hw/mlx5/main.c | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8d59a59.

[PATCH v4 1/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-24 Thread Ajay Kaher
by: Peter Xu Reviewed-by: Mike Rapoport Reviewed-by: Oleg Nesterov Reviewed-by: Jann Horn Acked-by: Jason Gunthorpe Acked-by: Michal Hocko Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman [aka...@vmware.com: stable 4.9 backport - handle bi

[PATCH v4 3/3] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-24 Thread Ajay Kaher
Signed-off-by: Greg Kroah-Hartman [Ajay: Just adjusted to apply on v4.9] Signed-off-by: Ajay Kaher --- include/linux/mm.h | 4 mm/khugepaged.c| 3 +++ 2 files changed, 7 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index c239984..8852158 100644 --- a/include/l

[PATCH v3 2/2][v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-21 Thread Ajay Kaher
to Jason for pointing this. Signed-off-by: Ajay Kaher --- drivers/infiniband/hw/mlx4/main.c | 4 +++- drivers/infiniband/hw/mlx5/main.c | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8d59a59.

[PATCH v3 0/2] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-21 Thread Ajay Kaher
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping [PATCH v3 1/2]: Backporting of commit 04f5866e41fb70690e28397487d8bd8eea7d712a upstream. [PATCH v3 2/2]: Extension of commit 04f5866e41fb to fix the race condition between get_task_mm() and core dumping for IB->m

[PATCH v3 1/2] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

2019-06-21 Thread Ajay Kaher
by: Peter Xu Reviewed-by: Mike Rapoport Reviewed-by: Oleg Nesterov Reviewed-by: Jann Horn Acked-by: Jason Gunthorpe Acked-by: Michal Hocko Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman [aka...@vmware.com: stable 4.9 backport - handle bi

Re: [PATCH 3/3] PCI: hv: Use vPCI protocol version 1.2 for v4.9

2019-01-18 Thread Ajay Kaher
> On 17/01/19, 8:37 PM, "Bjorn Helgaas" wrote: > > > On Fri, Jan 18, 2019 at 02:17:18AM +0530, Ajay Kaher wrote: > > Update the Hyper-V vPCI driver to use the Server-2016 version of the vPCI > > protocol, fixing MSI creation and retargeting issues. > &

[PATCH 3/3] PCI: hv: Use vPCI protocol version 1.2 for v4.9

2019-01-17 Thread Ajay Kaher
Helgaas Reviewed-by: K. Y. Srinivasan Acked-by: K. Y. Srinivasan Signed-off-by: Ajay Kaher --- drivers/pci/host/pci-hyperv.c | 300 ++ 1 file changed, 246 insertions(+), 54 deletions(-) diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci

[PATCH 2/3] PCI: hv: Add vPCI version protocol negotiation

2019-01-17 Thread Ajay Kaher
Hyper-V vPCI offers different protocol versions. Add the infra for negotiating the one to use. Signed-off-by: Jork Loeser Signed-off-by: Bjorn Helgaas Reviewed-by: K. Y. Srinivasan Acked-by: K. Y. Srinivasan Signed-off-by: Ajay Kaher --- drivers/pci/host/pci-hyperv.c | 72

[PATCH 1/3] PCI: hv: Allocate physically contiguous hypercall params buffer

2019-01-17 Thread Ajay Kaher
. Y. Srinivasan Signed-off-by: Ajay Kaher --- drivers/pci/host/pci-hyperv.c | 29 +++-- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c index b4d8ccf..9e44adf 100644 --- a/drivers/pci/host/pci

[PATCH 0/3] PCI: hv: Use vPCI protocol version 1.2 for v4.9

2019-01-17 Thread Ajay Kaher
For now, please consider these patches for review and suggest if these can be merged to mainline kernel v4.9. These patches add support for vPCI protocol version 1.2, by baqkpotring from v4.14 to v4.9. Individual patches are summarised below: Patch 1: PCI: hv: Allocate physically contiguous hy