diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_file_ops.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_file_ops.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index 1af1f3a907c..23173982b32 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -223,8 +223,13 @@ static int ipath_get_base_info(struct file *fp, (unsigned long long) kinfo->spi_subport_rcvhdr_base); } - kinfo->spi_pioindex = (kinfo->spi_piobufbase - dd->ipath_piobufbase) / - dd->ipath_palign; + /* + * All user buffers are 2KB buffers. If we ever support + * giving 4KB buffers to user processes, this will need some + * work. + */ + kinfo->spi_pioindex = (kinfo->spi_piobufbase - + (dd->ipath_piobufbase & 0xffffffff)) / dd->ipath_palign; kinfo->spi_pioalign = dd->ipath_palign; kinfo->spi_qpair = IPATH_KD_QP; @@ -1674,7 +1679,7 @@ static int find_best_unit(struct file *fp, * InfiniPath chip to that processor (we assume reasonable connectivity, * for now). This code assumes that if affinity has been set * before this point, that at most one cpu is set; for now this - * is reasonable. I check for both cpus_empty() and cpus_full(), + * is reasonable. I check for both cpumask_empty() and cpumask_full(), * in case some kernel variant sets none of the bits when no * affinity is set. 2.6.11 and 12 kernels have all present * cpus set. Some day we'll have to fix it up further to handle @@ -1683,11 +1688,11 @@ static int find_best_unit(struct file *fp, * information. There may be some issues with dual core numbering * as well. This needs more work prior to release. */ - if (!cpus_empty(current->cpus_allowed) && - !cpus_full(current->cpus_allowed)) { + if (!cpumask_empty(¤t->cpus_allowed) && + !cpumask_full(¤t->cpus_allowed)) { int ncpus = num_online_cpus(), curcpu = -1, nset = 0; for (i = 0; i < ncpus; i++) - if (cpu_isset(i, current->cpus_allowed)) { + if (cpumask_test_cpu(i, ¤t->cpus_allowed)) { ipath_cdbg(PROC, "%s[%u] affinity set for " "cpu %d/%d\n", current->comm, current->pid, i, ncpus); @@ -2041,7 +2046,9 @@ static int ipath_close(struct inode *in, struct file *fp) struct ipath_filedata *fd; struct ipath_portdata *pd; struct ipath_devdata *dd; + unsigned long flags; unsigned port; + struct pid *pid; ipath_cdbg(VERBOSE, "close on dev %lx, private data %p\n", (long)in->i_rdev, fp->private_data); @@ -2074,14 +2081,13 @@ static int ipath_close(struct inode *in, struct file *fp) mutex_unlock(&ipath_mutex); goto bail; } + /* early; no interrupt users after this */ + spin_lock_irqsave(&dd->ipath_uctxt_lock, flags); port = pd->port_port; - - if (pd->port_hdrqfull) { - ipath_cdbg(PROC, "%s[%u] had %u rcvhdrqfull errors " - "during run\n", pd->port_comm, pid_nr(pd->port_pid), - pd->port_hdrqfull); - pd->port_hdrqfull = 0; - } + dd->ipath_pd[port] = NULL; + pid = pd->port_pid; + pd->port_pid = NULL; + spin_unlock_irqrestore(&dd->ipath_uctxt_lock, flags); if (pd->port_rcvwait_to || pd->port_piowait_to || pd->port_rcvnowait || pd->port_pionowait) { @@ -2138,13 +2144,11 @@ static int ipath_close(struct inode *in, struct file *fp) unlock_expected_tids(pd); ipath_stats.sps_ports--; ipath_cdbg(PROC, "%s[%u] closed port %u:%u\n", - pd->port_comm, pid_nr(pd->port_pid), + pd->port_comm, pid_nr(pid), dd->ipath_unit, port); } - put_pid(pd->port_pid); - pd->port_pid = NULL; - dd->ipath_pd[pd->port_port] = NULL; /* before releasing mutex */ + put_pid(pid); mutex_unlock(&ipath_mutex); ipath_free_pddata(dd, pd); /* after releasing the mutex */ |