Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Wed, Jun 13, 2018 at 12:36 PM, Jason Gunthorpe wrote: > On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: >> The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. >> If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has >> exited, get_pid_task

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Wed, Jun 13, 2018 at 12:36 PM, Jason Gunthorpe wrote: > On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: >> The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. >> If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has >> exited, get_pid_task

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: > The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. > If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has > exited, get_pid_task will return NULL, ib_umem_release does not decrease >

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: > The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. > If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has > exited, get_pid_task will return NULL, ib_umem_release does not decrease >

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Wed, May 16, 2018 at 7:14 AM, Jason Gunthorpe wrote: > On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: >> The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. >> If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has >> exited,

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Wed, May 16, 2018 at 7:14 AM, Jason Gunthorpe wrote: > On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: >> The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. >> If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has >> exited, get_pid_task

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: > The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. > If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has > exited, get_pid_task will return NULL, ib_umem_release does not decrease >

Re: [PATCH v2] IB/umem: ib_ucontext already have tgid, remove pid from ib_umem structure

On Tue, May 08, 2018 at 04:50:16PM +0800, Lidong Chen wrote: > The userspace may invoke ibv_reg_mr and ibv_dereg_mr by different threads. > If when ibv_dereg_mr invoke and the thread which invoked ibv_reg_mr has > exited, get_pid_task will return NULL, ib_umem_release does not decrease >