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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Browse Source 
Pull rdma updates from Jason Gunthorpe:
 "A quiet cycle after the larger 5.8 effort. Substantially cleanup and
  driver work with a few smaller features this time.

   - Driver updates for hfi1, rxe, mlx5, hns, qedr, usnic, bnxt_re

   - Removal of dead or redundant code across the drivers

   - RAW resource tracker dumps to include a device specific data blob
     for device objects to aide device debugging

   - Further advance the IOCTL interface, remove the ability to turn it
     off. Add QUERY_CONTEXT, QUERY_MR, and QUERY_PD commands

   - Remove stubs related to devices with no pkey table

   - A shared CQ scheme to allow multiple ULPs to share the CQ rings of
     a device to give higher performance

   - Several more static checker, syzkaller and rare crashers fixed"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (121 commits)
  RDMA/mlx5: Fix flow destination setting for RDMA TX flow table
  RDMA/rxe: Remove pkey table
  RDMA/umem: Add a schedule point in ib_umem_get()
  RDMA/hns: Fix the unneeded process when getting a general type of CQE error
  RDMA/hns: Fix error during modify qp RTS2RTS
  RDMA/hns: Delete unnecessary memset when allocating VF resource
  RDMA/hns: Remove redundant parameters in set_rc_wqe()
  RDMA/hns: Remove support for HIP08_A
  RDMA/hns: Refactor hns_roce_v2_set_hem()
  RDMA/hns: Remove redundant hardware opcode definitions
  RDMA/netlink: Remove CAP_NET_RAW check when dump a raw QP
  RDMA/include: Replace license text with SPDX tags
  RDMA/rtrs: remove WQ_MEM_RECLAIM for rtrs_wq
  RDMA/rtrs-clt: add an additional random 8 seconds before reconnecting
  RDMA/cma: Execute rdma_cm destruction from a handler properly
  RDMA/cma: Remove unneeded locking for req paths
  RDMA/cma: Using the standard locking pattern when delivering the removal event
  RDMA/cma: Simplify DEVICE_REMOVAL for internal_id
  RDMA/efa: Add EFA 0xefa1 PCI ID
  RDMA/efa: User/kernel compatibility handshake mechanism
  ...
This commit is contained in:
Linus Torvalds
2020-08-06 16:43:36 -07:00
parent d6efb3ac3e 23fcc7dee2
commit d7806bbd22
166 changed files with 6385 additions and 7009 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/infiniband/core/counters.c
View File

@@ -8,7 +8,7 @@
#include "core_priv.h"
#include "restrack.h"
#define ALL_AUTO_MODE_MASKS (RDMA_COUNTER_MASK_QP_TYPE)
#define ALL_AUTO_MODE_MASKS (RDMA_COUNTER_MASK_QP_TYPE | RDMA_COUNTER_MASK_PID)
static int __counter_set_mode(struct rdma_counter_mode *curr,
enum rdma_nl_counter_mode new_mode,
@@ -149,23 +149,13 @@ static bool auto_mode_match(struct ib_qp *qp, struct rdma_counter *counter,
struct auto_mode_param *param = &counter->mode.param;
bool match = true;
/*
* Ensure that counter belongs to the right PID. This operation can
* race with user space which kills the process and leaves QP and
* counters orphans.
*
* It is not a big deal because exitted task will leave both QP and
* counter in the same bucket of zombie process. Just ensure that
* process is still alive before procedding.
*
*/
if (task_pid_nr(counter->res.task) != task_pid_nr(qp->res.task) ||
!task_pid_nr(qp->res.task))
return false;
if (auto_mask & RDMA_COUNTER_MASK_QP_TYPE)
match &= (param->qp_type == qp->qp_type);
if (auto_mask & RDMA_COUNTER_MASK_PID)
match &= (task_pid_nr(counter->res.task) ==
task_pid_nr(qp->res.task));
return match;
}
@@ -288,7 +278,7 @@ int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port)
struct rdma_counter *counter;
int ret;
if (!qp->res.valid)
if (!qp->res.valid || rdma_is_kernel_res(&qp->res))
return 0;
if (!rdma_is_port_valid(dev, port))
@@ -483,7 +473,7 @@ int rdma_counter_bind_qpn(struct ib_device *dev, u8 port,
goto err;
}
if (counter->res.task != qp->res.task) {
if (rdma_is_kernel_res(&counter->res) != rdma_is_kernel_res(&qp->res)) {
ret = -EINVAL;
goto err_task;
}