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RDMA 5.10 second rc pull request 

A few more merge window regressions that didn't make rc1:
 
 - New validation in the DMA layer triggers wrong use of the DMA layer in
   rxe, siw and rdmavt
 
 - Accidental change of a hypervisor facing ABI when widening the port
   speed u8 to u16 in vmw_pvrdma
 
 - Memory leak on error unwind in SRP target
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "A few more merge window regressions that didn't make rc1:

   - New validation in the DMA layer triggers wrong use of the DMA layer
     in rxe, siw and rdmavt

   - Accidental change of a hypervisor facing ABI when widening the port
     speed u8 to u16 in vmw_pvrdma

   - Memory leak on error unwind in SRP target"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/srpt: Fix typo in srpt_unregister_mad_agent docstring
  RDMA/vmw_pvrdma: Fix the active_speed and phys_state value
  IB/srpt: Fix memory leak in srpt_add_one
  RDMA: Fix software RDMA drivers for dma mapping error
This commit is contained in:
Linus Torvalds 2020-11-05 11:25:02 -08:00
Родитель cf26c71487 21fcdeec09
Коммит 6f3f374ac0
5 изменённых файлов: 24 добавлений и 11 удалений
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2
drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
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@ -176,7 +176,7 @@ struct pvrdma_port_attr {
u8 subnet_timeout;
u8 init_type_reply;
u8 active_width;
u16 active_speed;
u8 active_speed;
u8 phys_state;
u8 reserved[2];
};

7
drivers/infiniband/sw/rdmavt/vt.c
Просмотреть файл

@ -524,6 +524,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
int rvt_register_device(struct rvt_dev_info *rdi)
{
int ret = 0, i;
u64 dma_mask;
if (!rdi)
return -EINVAL;
@ -580,8 +581,10 @@ int rvt_register_device(struct rvt_dev_info *rdi)
/* DMA Operations */
rdi->ibdev.dev.dma_parms = rdi->ibdev.dev.parent->dma_parms;
dma_set_coherent_mask(&rdi->ibdev.dev,
rdi->ibdev.dev.parent->coherent_dma_mask);
dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
ret = dma_coerce_mask_and_coherent(&rdi->ibdev.dev, dma_mask);
if (ret)
goto bail_wss;
/* Protection Domain */
spin_lock_init(&rdi->n_pds_lock);

6
drivers/infiniband/sw/rxe/rxe_verbs.c
Просмотреть файл

@ -1118,6 +1118,7 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
int err;
struct ib_device *dev = &rxe->ib_dev;
struct crypto_shash *tfm;
u64 dma_mask;
strlcpy(dev->node_desc, "rxe", sizeof(dev->node_desc));
@ -1130,7 +1131,10 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
rxe->ndev->dev_addr);
dev->dev.dma_parms = &rxe->dma_parms;
dma_set_max_seg_size(&dev->dev, UINT_MAX);
dma_set_coherent_mask(&dev->dev, dma_get_required_mask(&dev->dev));
dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
err = dma_coerce_mask_and_coherent(&dev->dev, dma_mask);
if (err)
return err;
dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT)
| BIT_ULL(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL)

7
drivers/infiniband/sw/siw/siw_main.c
Просмотреть файл

@ -306,6 +306,7 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
struct siw_device *sdev = NULL;
struct ib_device *base_dev;
struct device *parent = netdev->dev.parent;
u64 dma_mask;
int rv;
if (!parent) {
@ -384,8 +385,10 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
base_dev->dev.parent = parent;
base_dev->dev.dma_parms = &sdev->dma_parms;
dma_set_max_seg_size(&base_dev->dev, UINT_MAX);
dma_set_coherent_mask(&base_dev->dev,
dma_get_required_mask(&base_dev->dev));
dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
if (dma_coerce_mask_and_coherent(&base_dev->dev, dma_mask))
goto error;
base_dev->num_comp_vectors = num_possible_cpus();
xa_init_flags(&sdev->qp_xa, XA_FLAGS_ALLOC1);

13
drivers/infiniband/ulp/srpt/ib_srpt.c
Просмотреть файл

@ -622,10 +622,11 @@ static int srpt_refresh_port(struct srpt_port *sport)
/**
* srpt_unregister_mad_agent - unregister MAD callback functions
* @sdev: SRPT HCA pointer.
* @port_cnt: number of ports with registered MAD
*
* Note: It is safe to call this function more than once for the same device.
*/
static void srpt_unregister_mad_agent(struct srpt_device *sdev)
static void srpt_unregister_mad_agent(struct srpt_device *sdev, int port_cnt)
{
struct ib_port_modify port_modify = {
.clr_port_cap_mask = IB_PORT_DEVICE_MGMT_SUP,
@ -633,7 +634,7 @@ static void srpt_unregister_mad_agent(struct srpt_device *sdev)
struct srpt_port *sport;
int i;
for (i = 1; i <= sdev->device->phys_port_cnt; i++) {
for (i = 1; i <= port_cnt; i++) {
sport = &sdev->port[i - 1];
WARN_ON(sport->port != i);
if (sport->mad_agent) {
@ -3185,7 +3186,8 @@ static int srpt_add_one(struct ib_device *device)
if (ret) {
pr_err("MAD registration failed for %s-%d.\n",
dev_name(&sdev->device->dev), i);
goto err_event;
i--;
goto err_port;
}
}
@ -3197,7 +3199,8 @@ static int srpt_add_one(struct ib_device *device)
pr_debug("added %s.\n", dev_name(&device->dev));
return 0;
err_event:
err_port:
srpt_unregister_mad_agent(sdev, i);
ib_unregister_event_handler(&sdev->event_handler);
err_cm:
if (sdev->cm_id)
@ -3221,7 +3224,7 @@ static void srpt_remove_one(struct ib_device *device, void *client_data)
struct srpt_device *sdev = client_data;
int i;
srpt_unregister_mad_agent(sdev);
srpt_unregister_mad_agent(sdev, sdev->device->phys_port_cnt);
ib_unregister_event_handler(&sdev->event_handler);