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Primary 4.7 merge window changes

Browse source 
- Updates to the new Intel X722 iWARP driver
 - Updates to the hfi1 driver
 - Fixes for the iw_cxgb4 driver
 - Misc core fixes
 - Generic RDMA READ/WRITE API addition
 - SRP updates
 - Misc ipoib updates
 - Minor mlx5 updates
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma updates from Doug Ledford:
 "Primary 4.7 merge window changes

   - Updates to the new Intel X722 iWARP driver
   - Updates to the hfi1 driver
   - Fixes for the iw_cxgb4 driver
   - Misc core fixes
   - Generic RDMA READ/WRITE API addition
   - SRP updates
   - Misc ipoib updates
   - Minor mlx5 updates"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (148 commits)
  IB/mlx5: Fire the CQ completion handler from tasklet
  net/mlx5_core: Use tasklet for user-space CQ completion events
  IB/core: Do not require CAP_NET_ADMIN for packet sniffing
  IB/mlx4: Fix unaligned access in send_reply_to_slave
  IB/mlx5: Report Scatter FCS device capability when supported
  IB/mlx5: Add Scatter FCS support for Raw Packet QP
  IB/core: Add Scatter FCS create flag
  IB/core: Add Raw Scatter FCS device capability
  IB/core: Add extended device capability flags
  i40iw: pass hw_stats by reference rather than by value
  i40iw: Remove unnecessary synchronize_irq() before free_irq()
  i40iw: constify i40iw_vf_cqp_ops structure
  IB/mlx5: Add UARs write-combining and non-cached mapping
  IB/mlx5: Allow mapping the free running counter on PROT_EXEC
  IB/mlx4: Use list_for_each_entry_safe
  IB/SA: Use correct free function
  IB/core: Fix a potential array overrun in CMA and SA agent
  IB/core: Remove unnecessary check in ibnl_rcv_msg
  IB/IWPM: Fix a potential skb leak
  RDMA/nes: replace custom print_hex_dump()
  ...
This commit is contained in:
Linus Torvalds 2016-05-20 14:35:07 -07:00
commit 76b584d312
111 changed files with 4116 additions and 2605 deletions
Download patch file Download diff file Expand all files Collapse all files

32
drivers/target/target_core_transport.c
View file

@ -2195,7 +2195,7 @@ queue_full:
transport_handle_queue_full(cmd, cmd->se_dev);
}
static inline void transport_free_sgl(struct scatterlist *sgl, int nents)
void target_free_sgl(struct scatterlist *sgl, int nents)
{
struct scatterlist *sg;
int count;
@ -2205,6 +2205,7 @@ static inline void transport_free_sgl(struct scatterlist *sgl, int nents)
kfree(sgl);
}
EXPORT_SYMBOL(target_free_sgl);
static inline void transport_reset_sgl_orig(struct se_cmd *cmd)
{
@ -2225,7 +2226,7 @@ static inline void transport_reset_sgl_orig(struct se_cmd *cmd)
static inline void transport_free_pages(struct se_cmd *cmd)
{
if (!(cmd->se_cmd_flags & SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC)) {
transport_free_sgl(cmd->t_prot_sg, cmd->t_prot_nents);
target_free_sgl(cmd->t_prot_sg, cmd->t_prot_nents);
cmd->t_prot_sg = NULL;
cmd->t_prot_nents = 0;
}
@ -2236,7 +2237,7 @@ static inline void transport_free_pages(struct se_cmd *cmd)
* SG_TO_MEM_NOALLOC to function with COMPARE_AND_WRITE
*/
if (cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) {
transport_free_sgl(cmd->t_bidi_data_sg,
target_free_sgl(cmd->t_bidi_data_sg,
cmd->t_bidi_data_nents);
cmd->t_bidi_data_sg = NULL;
cmd->t_bidi_data_nents = 0;
@ -2246,11 +2247,11 @@ static inline void transport_free_pages(struct se_cmd *cmd)
}
transport_reset_sgl_orig(cmd);
transport_free_sgl(cmd->t_data_sg, cmd->t_data_nents);
target_free_sgl(cmd->t_data_sg, cmd->t_data_nents);
cmd->t_data_sg = NULL;
cmd->t_data_nents = 0;
transport_free_sgl(cmd->t_bidi_data_sg, cmd->t_bidi_data_nents);
target_free_sgl(cmd->t_bidi_data_sg, cmd->t_bidi_data_nents);
cmd->t_bidi_data_sg = NULL;
cmd->t_bidi_data_nents = 0;
}
@ -2324,20 +2325,22 @@ EXPORT_SYMBOL(transport_kunmap_data_sg);
int
target_alloc_sgl(struct scatterlist **sgl, unsigned int *nents, u32 length,
bool zero_page)
bool zero_page, bool chainable)
{
struct scatterlist *sg;
struct page *page;
gfp_t zero_flag = (zero_page) ? __GFP_ZERO : 0;
unsigned int nent;
unsigned int nalloc, nent;
int i = 0;
nent = DIV_ROUND_UP(length, PAGE_SIZE);
sg = kmalloc(sizeof(struct scatterlist) * nent, GFP_KERNEL);
nalloc = nent = DIV_ROUND_UP(length, PAGE_SIZE);
if (chainable)
nalloc++;
sg = kmalloc_array(nalloc, sizeof(struct scatterlist), GFP_KERNEL);
if (!sg)
return -ENOMEM;
sg_init_table(sg, nent);
sg_init_table(sg, nalloc);
while (length) {
u32 page_len = min_t(u32, length, PAGE_SIZE);
@ -2361,6 +2364,7 @@ out:
kfree(sg);
return -ENOMEM;
}
EXPORT_SYMBOL(target_alloc_sgl);
/*
* Allocate any required resources to execute the command. For writes we
@ -2376,7 +2380,7 @@ transport_generic_new_cmd(struct se_cmd *cmd)
if (cmd->prot_op != TARGET_PROT_NORMAL &&
!(cmd->se_cmd_flags & SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC)) {
ret = target_alloc_sgl(&cmd->t_prot_sg, &cmd->t_prot_nents,
cmd->prot_length, true);
cmd->prot_length, true, false);
if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
@ -2401,13 +2405,13 @@ transport_generic_new_cmd(struct se_cmd *cmd)
ret = target_alloc_sgl(&cmd->t_bidi_data_sg,
&cmd->t_bidi_data_nents,
bidi_length, zero_flag);
bidi_length, zero_flag, false);
if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
ret = target_alloc_sgl(&cmd->t_data_sg, &cmd->t_data_nents,
cmd->data_length, zero_flag);
cmd->data_length, zero_flag, false);
if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
} else if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
@ -2421,7 +2425,7 @@ transport_generic_new_cmd(struct se_cmd *cmd)
ret = target_alloc_sgl(&cmd->t_bidi_data_sg,
&cmd->t_bidi_data_nents,
caw_length, zero_flag);
caw_length, zero_flag, false);
if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}

2
drivers/target/target_core_xcopy.c
View file

@ -563,7 +563,7 @@ static int target_xcopy_setup_pt_cmd(
if (alloc_mem) {
rc = target_alloc_sgl(&cmd->t_data_sg, &cmd->t_data_nents,
cmd->data_length, false);
cmd->data_length, false, false);
if (rc < 0) {
ret = rc;
goto out;