diff options
Diffstat (limited to 'drivers')
60 files changed, 482 insertions, 294 deletions
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index 8c83d8c620dc..789d5e920aaf 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -265,4 +265,49 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event) handler) (acpi_gbl_fixed_event_handlers[event].context)); } +/******************************************************************************* + * + * FUNCTION: acpi_any_fixed_event_status_set + * + * PARAMETERS: None + * + * RETURN: TRUE or FALSE + * + * DESCRIPTION: Checks the PM status register for active fixed events + * + ******************************************************************************/ + +u32 acpi_any_fixed_event_status_set(void) +{ + acpi_status status; + u32 in_status; + u32 in_enable; + u32 i; + + status = acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &in_enable); + if (ACPI_FAILURE(status)) { + return (FALSE); + } + + status = acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &in_status); + if (ACPI_FAILURE(status)) { + return (FALSE); + } + + /* + * Check for all possible Fixed Events and dispatch those that are active + */ + for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { + + /* Both the status and enable bits must be on for this event */ + + if ((in_status & acpi_gbl_fixed_event_info[i].status_bit_mask) && + (in_enable & acpi_gbl_fixed_event_info[i].enable_bit_mask)) { + return (TRUE); + } + } + + return (FALSE); +} + #endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 152f7fc0b200..e5f95922bc21 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -1006,6 +1006,13 @@ static bool acpi_s2idle_wake(void) return true; /* + * If the status bit of any enabled fixed event is set, the + * wakeup is regarded as valid. + */ + if (acpi_any_fixed_event_status_set()) + return true; + + /* * If there are no EC events to process and at least one of the * other enabled GPEs is active, the wakeup is regarded as a * genuine one. diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c index 15fa293819a0..b20fdcbd035b 100644 --- a/drivers/bus/moxtet.c +++ b/drivers/bus/moxtet.c @@ -465,7 +465,7 @@ static ssize_t input_read(struct file *file, char __user *buf, size_t len, { struct moxtet *moxtet = file->private_data; u8 bin[TURRIS_MOX_MAX_MODULES]; - u8 hex[sizeof(buf) * 2 + 1]; + u8 hex[sizeof(bin) * 2 + 1]; int ret, n; ret = moxtet_spi_read(moxtet, bin); diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c index 1ff4fb1def7c..382b28f1cf2f 100644 --- a/drivers/char/ipmi/ipmb_dev_int.c +++ b/drivers/char/ipmi/ipmb_dev_int.c @@ -19,7 +19,7 @@ #include <linux/spinlock.h> #include <linux/wait.h> -#define MAX_MSG_LEN 128 +#define MAX_MSG_LEN 240 #define IPMB_REQUEST_LEN_MIN 7 #define NETFN_RSP_BIT_MASK 0x4 #define REQUEST_QUEUE_MAX_LEN 256 @@ -63,6 +63,7 @@ struct ipmb_dev { spinlock_t lock; wait_queue_head_t wait_queue; struct mutex file_mutex; + bool is_i2c_protocol; }; static inline struct ipmb_dev *to_ipmb_dev(struct file *file) @@ -112,6 +113,25 @@ static ssize_t ipmb_read(struct file *file, char __user *buf, size_t count, return ret < 0 ? ret : count; } +static int ipmb_i2c_write(struct i2c_client *client, u8 *msg, u8 addr) +{ + struct i2c_msg i2c_msg; + + /* + * subtract 1 byte (rq_sa) from the length of the msg passed to + * raw i2c_transfer + */ + i2c_msg.len = msg[IPMB_MSG_LEN_IDX] - 1; + + /* Assign message to buffer except first 2 bytes (length and address) */ + i2c_msg.buf = msg + 2; + + i2c_msg.addr = addr; + i2c_msg.flags = client->flags & I2C_CLIENT_PEC; + + return i2c_transfer(client->adapter, &i2c_msg, 1); +} + static ssize_t ipmb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -133,6 +153,12 @@ static ssize_t ipmb_write(struct file *file, const char __user *buf, rq_sa = GET_7BIT_ADDR(msg[RQ_SA_8BIT_IDX]); netf_rq_lun = msg[NETFN_LUN_IDX]; + /* Check i2c block transfer vs smbus */ + if (ipmb_dev->is_i2c_protocol) { + ret = ipmb_i2c_write(ipmb_dev->client, msg, rq_sa); + return (ret == 1) ? count : ret; + } + /* * subtract rq_sa and netf_rq_lun from the length of the msg passed to * i2c_smbus_xfer @@ -253,7 +279,7 @@ static int ipmb_slave_cb(struct i2c_client *client, break; case I2C_SLAVE_WRITE_RECEIVED: - if (ipmb_dev->msg_idx >= sizeof(struct ipmb_msg)) + if (ipmb_dev->msg_idx >= sizeof(struct ipmb_msg) - 1) break; buf[++ipmb_dev->msg_idx] = *val; @@ -302,6 +328,9 @@ static int ipmb_probe(struct i2c_client *client, if (ret) return ret; + ipmb_dev->is_i2c_protocol + = device_property_read_bool(&client->dev, "i2c-protocol"); + ipmb_dev->client = client; i2c_set_clientdata(client, ipmb_dev); ret = i2c_slave_register(client, ipmb_slave_cb); diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 22c6a2e61236..8ac390c2b514 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -775,10 +775,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, flags = ipmi_ssif_lock_cond(ssif_info, &oflags); msg = ssif_info->curr_msg; if (msg) { + if (data) { + if (len > IPMI_MAX_MSG_LENGTH) + len = IPMI_MAX_MSG_LENGTH; + memcpy(msg->rsp, data, len); + } else { + len = 0; + } msg->rsp_size = len; - if (msg->rsp_size > IPMI_MAX_MSG_LENGTH) - msg->rsp_size = IPMI_MAX_MSG_LENGTH; - memcpy(msg->rsp, data, msg->rsp_size); ssif_info->curr_msg = NULL; } diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile index 5a0d99d4fec0..9567e5197f74 100644 --- a/drivers/char/tpm/Makefile +++ b/drivers/char/tpm/Makefile @@ -21,9 +21,11 @@ tpm-$(CONFIG_EFI) += eventlog/efi.o tpm-$(CONFIG_OF) += eventlog/of.o obj-$(CONFIG_TCG_TIS_CORE) += tpm_tis_core.o obj-$(CONFIG_TCG_TIS) += tpm_tis.o -obj-$(CONFIG_TCG_TIS_SPI) += tpm_tis_spi_mod.o -tpm_tis_spi_mod-y := tpm_tis_spi.o -tpm_tis_spi_mod-$(CONFIG_TCG_TIS_SPI_CR50) += tpm_tis_spi_cr50.o + +obj-$(CONFIG_TCG_TIS_SPI) += tpm_tis_spi.o +tpm_tis_spi-y := tpm_tis_spi_main.o +tpm_tis_spi-$(CONFIG_TCG_TIS_SPI_CR50) += tpm_tis_spi_cr50.o + obj-$(CONFIG_TCG_TIS_I2C_ATMEL) += tpm_i2c_atmel.o obj-$(CONFIG_TCG_TIS_I2C_INFINEON) += tpm_i2c_infineon.o obj-$(CONFIG_TCG_TIS_I2C_NUVOTON) += tpm_i2c_nuvoton.o diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 13696deceae8..760329598b99 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -525,6 +525,8 @@ static int tpm2_init_bank_info(struct tpm_chip *chip, u32 bank_index) return 0; } + bank->crypto_id = HASH_ALGO__LAST; + return tpm2_pcr_read(chip, 0, &digest, &bank->digest_size); } diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi_main.c index d1754fd6c573..d1754fd6c573 100644 --- a/drivers/char/tpm/tpm_tis_spi.c +++ b/drivers/char/tpm/tpm_tis_spi_main.c diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 7243b88f81d8..69e0d90460e6 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -505,16 +505,10 @@ void edac_mc_free(struct mem_ctl_info *mci) { edac_dbg(1, "\n"); - /* If we're not yet registered with sysfs free only what was allocated - * in edac_mc_alloc(). - */ - if (!device_is_registered(&mci->dev)) { - _edac_mc_free(mci); - return; - } + if (device_is_registered(&mci->dev)) + edac_unregister_sysfs(mci); - /* the mci instance is freed here, when the sysfs object is dropped */ - edac_unregister_sysfs(mci); + _edac_mc_free(mci); } EXPORT_SYMBOL_GPL(edac_mc_free); diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 0367554e7437..c70ec0a306d8 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -276,10 +276,7 @@ static const struct attribute_group *csrow_attr_groups[] = { static void csrow_attr_release(struct device *dev) { - struct csrow_info *csrow = container_of(dev, struct csrow_info, dev); - - edac_dbg(1, "device %s released\n", dev_name(dev)); - kfree(csrow); + /* release device with _edac_mc_free() */ } static const struct device_type csrow_attr_type = { @@ -447,8 +444,7 @@ error: csrow = mci->csrows[i]; if (!nr_pages_per_csrow(csrow)) continue; - - device_del(&mci->csrows[i]->dev); + device_unregister(&mci->csrows[i]->dev); } return err; @@ -608,10 +604,7 @@ static const struct attribute_group *dimm_attr_groups[] = { static void dimm_attr_release(struct device *dev) { - struct dimm_info *dimm = container_of(dev, struct dimm_info, dev); - - edac_dbg(1, "device %s released\n", dev_name(dev)); - kfree(dimm); + /* release device with _edac_mc_free() */ } static const struct device_type dimm_attr_type = { @@ -893,10 +886,7 @@ static const struct attribute_group *mci_attr_groups[] = { static void mci_attr_release(struct device *dev) { - struct mem_ctl_info *mci = container_of(dev, struct mem_ctl_info, dev); - - edac_dbg(1, "device %s released\n", dev_name(dev)); - kfree(mci); + /* release device with _edac_mc_free() */ } static const struct device_type mci_attr_type = { diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index f01f4887fb2e..a91ed01abb68 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -82,8 +82,8 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, #define LTC_POLL_TIMEOUT 100 /* in milli-seconds */ -#define LTC_NOT_BUSY BIT(5) -#define LTC_NOT_PENDING BIT(4) +#define LTC_NOT_BUSY BIT(6) +#define LTC_NOT_PENDING BIT(5) /* * LTC2978 clears peak data whenever the CLEAR_FAULTS command is executed, which diff --git a/drivers/hwmon/pmbus/xdpe12284.c b/drivers/hwmon/pmbus/xdpe12284.c index 3d47806ff4d3..ecd9b65627ec 100644 --- a/drivers/hwmon/pmbus/xdpe12284.c +++ b/drivers/hwmon/pmbus/xdpe12284.c @@ -94,8 +94,8 @@ static const struct i2c_device_id xdpe122_id[] = { MODULE_DEVICE_TABLE(i2c, xdpe122_id); static const struct of_device_id __maybe_unused xdpe122_of_match[] = { - {.compatible = "infineon, xdpe12254"}, - {.compatible = "infineon, xdpe12284"}, + {.compatible = "infineon,xdpe12254"}, + {.compatible = "infineon,xdpe12284"}, {} }; MODULE_DEVICE_TABLE(of, xdpe122_of_match); diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c index 6eb6d2717ca5..2b4d80393bd0 100644 --- a/drivers/infiniband/core/security.c +++ b/drivers/infiniband/core/security.c @@ -339,22 +339,16 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp, if (!new_pps) return NULL; - if (qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) { - if (!qp_pps) { - new_pps->main.port_num = qp_attr->port_num; - new_pps->main.pkey_index = qp_attr->pkey_index; - } else { - new_pps->main.port_num = (qp_attr_mask & IB_QP_PORT) ? - qp_attr->port_num : - qp_pps->main.port_num; - - new_pps->main.pkey_index = - (qp_attr_mask & IB_QP_PKEY_INDEX) ? - qp_attr->pkey_index : - qp_pps->main.pkey_index; - } + if (qp_attr_mask & IB_QP_PORT) + new_pps->main.port_num = + (qp_pps) ? qp_pps->main.port_num : qp_attr->port_num; + if (qp_attr_mask & IB_QP_PKEY_INDEX) + new_pps->main.pkey_index = (qp_pps) ? qp_pps->main.pkey_index : + qp_attr->pkey_index; + if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT)) new_pps->main.state = IB_PORT_PKEY_VALID; - } else if (qp_pps) { + + if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) { new_pps->main.port_num = qp_pps->main.port_num; new_pps->main.pkey_index = qp_pps->main.pkey_index; if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID) diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index d1407fa378e8..1235ffb2389b 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -1312,6 +1312,9 @@ static void ib_umad_kill_port(struct ib_umad_port *port) struct ib_umad_file *file; int id; + cdev_device_del(&port->sm_cdev, &port->sm_dev); + cdev_device_del(&port->cdev, &port->dev); + mutex_lock(&port->file_mutex); /* Mark ib_dev NULL and block ioctl or other file ops to progress @@ -1331,8 +1334,6 @@ static void ib_umad_kill_port(struct ib_umad_port *port) mutex_unlock(&port->file_mutex); - cdev_device_del(&port->sm_cdev, &port->sm_dev); - cdev_device_del(&port->cdev, &port->dev); ida_free(&umad_ida, port->dev_num); /* balances device_initialize() */ diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index c8693f5231dd..025933752e1d 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2745,12 +2745,6 @@ static int kern_spec_to_ib_spec_action(struct uverbs_attr_bundle *attrs, return 0; } -static size_t kern_spec_filter_sz(const struct ib_uverbs_flow_spec_hdr *spec) -{ - /* Returns user space filter size, includes padding */ - return (spec->size - sizeof(struct ib_uverbs_flow_spec_hdr)) / 2; -} - static ssize_t spec_filter_size(const void *kern_spec_filter, u16 kern_filter_size, u16 ib_real_filter_sz) { @@ -2894,11 +2888,16 @@ int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type, static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec, union ib_flow_spec *ib_spec) { - ssize_t kern_filter_sz; + size_t kern_filter_sz; void *kern_spec_mask; void *kern_spec_val; - kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr); + if (check_sub_overflow((size_t)kern_spec->hdr.size, + sizeof(struct ib_uverbs_flow_spec_hdr), + &kern_filter_sz)) + return -EINVAL; + + kern_filter_sz /= 2; kern_spec_val = (void *)kern_spec + sizeof(struct ib_uverbs_flow_spec_hdr); diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index 994d8744b246..3abfc63225cb 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -220,6 +220,7 @@ void ib_uverbs_free_event_queue(struct ib_uverbs_event_queue *event_queue) list_for_each_entry_safe(entry, tmp, &event_queue->event_list, list) { if (entry->counter) list_del(&entry->obj_list); + list_del(&entry->list); kfree(entry); } spin_unlock_irq(&event_queue->lock); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index ee1182f9b627..d69dece3b1d5 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -3036,6 +3036,10 @@ static int terminate(struct c4iw_dev *dev, struct sk_buff *skb) C4IW_QP_ATTR_NEXT_STATE, &attrs, 1); } + /* As per draft-hilland-iwarp-verbs-v1.0, sec 6.2.3, + * when entering the TERM state the RNIC MUST initiate a CLOSE. + */ + c4iw_ep_disconnect(ep, 1, GFP_KERNEL); c4iw_put_ep(&ep->com); } else pr_warn("TERM received tid %u no ep/qp\n", tid); diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index bbcac539777a..89ac2f9ae6dd 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -1948,10 +1948,10 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp, qhp->attr.layer_etype = attrs->layer_etype; qhp->attr.ecode = attrs->ecode; ep = qhp->ep; - c4iw_get_ep(&ep->com); - disconnect = 1; if (!internal) { + c4iw_get_ep(&ep->com); terminate = 1; + disconnect = 1; } else { terminate = qhp->attr.send_term; ret = rdma_fini(rhp, qhp, ep); diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c index c142b23bb401..1aeea5d65c01 100644 --- a/drivers/infiniband/hw/hfi1/affinity.c +++ b/drivers/infiniband/hw/hfi1/affinity.c @@ -479,6 +479,8 @@ static int _dev_comp_vect_mappings_create(struct hfi1_devdata *dd, rvt_get_ibdev_name(&(dd)->verbs_dev.rdi), i, cpu); } + free_cpumask_var(available_cpus); + free_cpumask_var(non_intr_cpus); return 0; fail: diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index bef6946861b2..259115886d35 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -200,23 +200,24 @@ static int hfi1_file_open(struct inode *inode, struct file *fp) fd = kzalloc(sizeof(*fd), GFP_KERNEL); - if (fd) { - fd->rec_cpu_num = -1; /* no cpu affinity by default */ - fd->mm = current->mm; - mmgrab(fd->mm); - fd->dd = dd; - kobject_get(&fd->dd->kobj); - fp->private_data = fd; - } else { - fp->private_data = NULL; - - if (atomic_dec_and_test(&dd->user_refcount)) - complete(&dd->user_comp); - - return -ENOMEM; - } - + if (!fd || init_srcu_struct(&fd->pq_srcu)) + goto nomem; + spin_lock_init(&fd->pq_rcu_lock); + spin_lock_init(&fd->tid_lock); + spin_lock_init(&fd->invalid_lock); + fd->rec_cpu_num = -1; /* no cpu affinity by default */ + fd->mm = current->mm; + mmgrab(fd->mm); + fd->dd = dd; + kobject_get(&fd->dd->kobj); + fp->private_data = fd; return 0; +nomem: + kfree(fd); + fp->private_data = NULL; + if (atomic_dec_and_test(&dd->user_refcount)) + complete(&dd->user_comp); + return -ENOMEM; } static long hfi1_file_ioctl(struct file *fp, unsigned int cmd, @@ -301,21 +302,30 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd, static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from) { struct hfi1_filedata *fd = kiocb->ki_filp->private_data; - struct hfi1_user_sdma_pkt_q *pq = fd->pq; + struct hfi1_user_sdma_pkt_q *pq; struct hfi1_user_sdma_comp_q *cq = fd->cq; int done = 0, reqs = 0; unsigned long dim = from->nr_segs; + int idx; - if (!cq || !pq) + idx = srcu_read_lock(&fd->pq_srcu); + pq = srcu_dereference(fd->pq, &fd->pq_srcu); + if (!cq || !pq) { + srcu_read_unlock(&fd->pq_srcu, idx); return -EIO; + } - if (!iter_is_iovec(from) || !dim) + if (!iter_is_iovec(from) || !dim) { + srcu_read_unlock(&fd->pq_srcu, idx); return -EINVAL; + } trace_hfi1_sdma_request(fd->dd, fd->uctxt->ctxt, fd->subctxt, dim); - if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) + if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) { + srcu_read_unlock(&fd->pq_srcu, idx); return -ENOSPC; + } while (dim) { int ret; @@ -333,6 +343,7 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from) reqs++; } + srcu_read_unlock(&fd->pq_srcu, idx); return reqs; } @@ -707,6 +718,7 @@ done: if (atomic_dec_and_test(&dd->user_refcount)) complete(&dd->user_comp); + cleanup_srcu_struct(&fdata->pq_srcu); kfree(fdata); return 0; } diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 6365e8ffed9d..cae12f416ca0 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1444,10 +1444,13 @@ struct mmu_rb_handler; /* Private data for file operations */ struct hfi1_filedata { + struct srcu_struct pq_srcu; struct hfi1_devdata *dd; struct hfi1_ctxtdata *uctxt; struct hfi1_user_sdma_comp_q *cq; - struct hfi1_user_sdma_pkt_q *pq; + /* update side lock for SRCU */ + spinlock_t pq_rcu_lock; + struct hfi1_user_sdma_pkt_q __rcu *pq; u16 subctxt; /* for cpu affinity; -1 if none */ int rec_cpu_num; diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c index f05742ac0949..4da03f823474 100644 --- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c +++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c @@ -87,9 +87,6 @@ int hfi1_user_exp_rcv_init(struct hfi1_filedata *fd, { int ret = 0; - spin_lock_init(&fd->tid_lock); - spin_lock_init(&fd->invalid_lock); - fd->entry_to_rb = kcalloc(uctxt->expected_count, sizeof(struct rb_node *), GFP_KERNEL); @@ -142,10 +139,12 @@ void hfi1_user_exp_rcv_free(struct hfi1_filedata *fd) { struct hfi1_ctxtdata *uctxt = fd->uctxt; + mutex_lock(&uctxt->exp_mutex); if (!EXP_TID_SET_EMPTY(uctxt->tid_full_list)) unlock_exp_tids(uctxt, &uctxt->tid_full_list, fd); if (!EXP_TID_SET_EMPTY(uctxt->tid_used_list)) unlock_exp_tids(uctxt, &uctxt->tid_used_list, fd); + mutex_unlock(&uctxt->exp_mutex); kfree(fd->invalid_tids); fd->invalid_tids = NULL; diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index fd754a16475a..c2f0d9ba93de 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -179,7 +179,6 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, pq = kzalloc(sizeof(*pq), GFP_KERNEL); if (!pq) return -ENOMEM; - pq->dd = dd; pq->ctxt = uctxt->ctxt; pq->subctxt = fd->subctxt; @@ -236,7 +235,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, goto pq_mmu_fail; } - fd->pq = pq; + rcu_assign_pointer(fd->pq, pq); fd->cq = cq; return 0; @@ -264,8 +263,14 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd, trace_hfi1_sdma_user_free_queues(uctxt->dd, uctxt->ctxt, fd->subctxt); - pq = fd->pq; + spin_lock(&fd->pq_rcu_lock); + pq = srcu_dereference_check(fd->pq, &fd->pq_srcu, + lockdep_is_held(&fd->pq_rcu_lock)); if (pq) { + rcu_assign_pointer(fd->pq, NULL); + spin_unlock(&fd->pq_rcu_lock); + synchronize_srcu(&fd->pq_srcu); + /* at this point there can be no more new requests */ if (pq->handler) hfi1_mmu_rb_unregister(pq->handler); iowait_sdma_drain(&pq->busy); @@ -277,7 +282,8 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd, kfree(pq->req_in_use); kmem_cache_destroy(pq->txreq_cache); kfree(pq); - fd->pq = NULL; + } else { + spin_unlock(&fd->pq_rcu_lock); } if (fd->cq) { vfree(fd->cq->comps); @@ -321,7 +327,8 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd, { int ret = 0, i; struct hfi1_ctxtdata *uctxt = fd->uctxt; - struct hfi1_user_sdma_pkt_q *pq = fd->pq; + struct hfi1_user_sdma_pkt_q *pq = + srcu_dereference(fd->pq, &fd->pq_srcu); struct hfi1_user_sdma_comp_q *cq = fd->cq; struct hfi1_devdata *dd = pq->dd; unsigned long idx = 0; diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index d7efc9f6daf0..46e1ab771f10 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -2319,14 +2319,12 @@ static int deliver_event(struct devx_event_subscription *event_sub, if (ev_file->omit_data) { spin_lock_irqsave(&ev_file->lock, flags); - if (!list_empty(&event_sub->event_list)) { + if (!list_empty(&event_sub->event_list) || + ev_file->is_destroyed) { spin_unlock_irqrestore(&ev_file->lock, flags); return 0; } - /* is_destroyed is ignored here because we don't have any memory - * allocation to clean up for the omit_data case - */ list_add_tail(&event_sub->event_list, &ev_file->event_list); spin_unlock_irqrestore(&ev_file->lock, flags); wake_up_interruptible(&ev_file->poll_wait); @@ -2473,11 +2471,11 @@ static ssize_t devx_async_cmd_event_read(struct file *filp, char __user *buf, return -ERESTARTSYS; } - if (list_empty(&ev_queue->event_list) && - ev_queue->is_destroyed) - return -EIO; - spin_lock_irq(&ev_queue->lock); + if (ev_queue->is_destroyed) { + spin_unlock_irq(&ev_queue->lock); + return -EIO; + } } event = list_entry(ev_queue->event_list.next, @@ -2551,10 +2549,6 @@ static ssize_t devx_async_event_read(struct file *filp, char __user *buf, return -EOVERFLOW; } - if (ev_file->is_destroyed) { - spin_unlock_irq(&ev_file->lock); - return -EIO; - } while (list_empty(&ev_file->event_list)) { spin_unlock_irq(&ev_file->lock); @@ -2667,8 +2661,10 @@ static int devx_async_cmd_event_destroy_uobj(struct ib_uobject *uobj, spin_lock_irq(&comp_ev_file->ev_queue.lock); list_for_each_entry_safe(entry, tmp, - &comp_ev_file->ev_queue.event_list, list) + &comp_ev_file->ev_queue.event_list, list) { + list_del(&entry->list); kvfree(entry); + } spin_unlock_irq(&comp_ev_file->ev_queue.lock); return 0; }; @@ -2680,11 +2676,29 @@ static int devx_async_event_destroy_uobj(struct ib_uobject *uobj, container_of(uobj, struct devx_async_event_file, uobj); struct devx_event_subscription *event_sub, *event_sub_tmp; - struct devx_async_event_data *entry, *tmp; struct mlx5_ib_dev *dev = ev_file->dev; spin_lock_irq(&ev_file->lock); ev_file->is_destroyed = 1; + + /* free the pending events allocation */ + if (ev_file->omit_data) { + struct devx_event_subscription *event_sub, *tmp; + + list_for_each_entry_safe(event_sub, tmp, &ev_file->event_list, + event_list) + list_del_init(&event_sub->event_list); + + } else { + struct devx_async_event_data *entry, *tmp; + + list_for_each_entry_safe(entry, tmp, &ev_file->event_list, + list) { + list_del(&entry->list); + kfree(entry); + } + } + spin_unlock_irq(&ev_file->lock); wake_up_interruptible(&ev_file->poll_wait); @@ -2699,15 +2713,6 @@ static int devx_async_event_destroy_uobj(struct ib_uobject *uobj, } mutex_unlock(&dev->devx_event_table.event_xa_lock); - /* free the pending events allocation */ - if (!ev_file->omit_data) { - spin_lock_irq(&ev_file->lock); - list_for_each_entry_safe(entry, tmp, - &ev_file->event_list, list) - kfree(entry); /* read can't come any more */ - spin_unlock_irq(&ev_file->lock); - } - put_device(&dev->ib_dev.dev); return 0; }; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index e874d688d040..e4bcfa81b70a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2283,8 +2283,8 @@ static int mlx5_ib_mmap_offset(struct mlx5_ib_dev *dev, static u64 mlx5_entry_to_mmap_offset(struct mlx5_user_mmap_entry *entry) { - u16 cmd = entry->rdma_entry.start_pgoff >> 16; - u16 index = entry->rdma_entry.start_pgoff & 0xFFFF; + u64 cmd = (entry->rdma_entry.start_pgoff >> 16) & 0xFFFF; + u64 index = entry->rdma_entry.start_pgoff & 0xFFFF; return (((index >> 8) << 16) | (cmd << MLX5_IB_MMAP_CMD_SHIFT) | (index & 0xFF)) << PAGE_SHIFT; @@ -6545,7 +6545,7 @@ static int mlx5_ib_init_var_table(struct mlx5_ib_dev *dev) doorbell_bar_offset); bar_size = (1ULL << log_doorbell_bar_size) * 4096; var_table->stride_size = 1ULL << log_doorbell_stride; - var_table->num_var_hw_entries = bar_size / var_table->stride_size; + var_table->num_var_hw_entries = div64_u64(bar_size, var_table->stride_size); mutex_init(&var_table->bitmap_lock); var_table->bitmap = bitmap_zalloc(var_table->num_var_hw_entries, GFP_KERNEL); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index a4f8e7030787..957f3a52589b 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3441,9 +3441,6 @@ static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, struct mlx5_ib_qp_base *base; u32 set_id; - if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) - return 0; - if (counter) set_id = counter->id; else @@ -6576,6 +6573,7 @@ void mlx5_ib_drain_rq(struct ib_qp *qp) */ int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) { + struct mlx5_ib_dev *dev = to_mdev(qp->device); struct mlx5_ib_qp *mqp = to_mqp(qp); int err = 0; @@ -6585,6 +6583,11 @@ int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) goto out; } + if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) { + err = -EOPNOTSUPP; + goto out; + } + if (mqp->state == IB_QPS_RTS) { err = __mlx5_ib_qp_set_counter(qp, counter); if (!err) diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 3cdf75d0c7a4..7858d499db03 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -61,6 +61,8 @@ #define RVT_RWQ_COUNT_THRESHOLD 16 static void rvt_rc_timeout(struct timer_list *t); +static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, + enum ib_qp_type type); /* * Convert the AETH RNR timeout code into the number of microseconds. @@ -452,40 +454,41 @@ no_qp_table: } /** - * free_all_qps - check for QPs still in use + * rvt_free_qp_cb - callback function to reset a qp + * @qp: the qp to reset + * @v: a 64-bit value + * + * This function resets the qp and removes it from the + * qp hash table. + */ +static void rvt_free_qp_cb(struct rvt_qp *qp, u64 v) +{ + unsigned int *qp_inuse = (unsigned int *)v; + struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); + + /* Reset the qp and remove it from the qp hash list */ + rvt_reset_qp(rdi, qp, qp->ibqp.qp_type); + + /* Increment the qp_inuse count */ + (*qp_inuse)++; +} + +/** + * rvt_free_all_qps - check for QPs still in use * @rdi: rvt device info structure * * There should not be any QPs still in use. * Free memory for table. + * Return the number of QPs still in use. */ static unsigned rvt_free_all_qps(struct rvt_dev_info *rdi) { - unsigned long flags; - struct rvt_qp *qp; - unsigned n, qp_inuse = 0; - spinlock_t *ql; /* work around too long line below */ - - if (rdi->driver_f.free_all_qps) - qp_inuse = rdi->driver_f.free_all_qps(rdi); + unsigned int qp_inuse = 0; qp_inuse += rvt_mcast_tree_empty(rdi); - if (!rdi->qp_dev) - return qp_inuse; - - ql = &rdi->qp_dev->qpt_lock; - spin_lock_irqsave(ql, flags); - for (n = 0; n < rdi->qp_dev->qp_table_size; n++) { - qp = rcu_dereference_protected(rdi->qp_dev->qp_table[n], - lockdep_is_held(ql)); - RCU_INIT_POINTER(rdi->qp_dev->qp_table[n], NULL); + rvt_qp_iter(rdi, (u64)&qp_inuse, rvt_free_qp_cb); - for (; qp; qp = rcu_dereference_protected(qp->next, - lockdep_is_held(ql))) - qp_inuse++; - } - spin_unlock_irqrestore(ql, flags); - synchronize_rcu(); return qp_inuse; } @@ -902,14 +905,14 @@ static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, } /** - * rvt_reset_qp - initialize the QP state to the reset state + * _rvt_reset_qp - initialize the QP state to the reset state * @qp: the QP to reset * @type: the QP type * * r_lock, s_hlock, and s_lock are required to be held by the caller */ -static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, - enum ib_qp_type type) +static void _rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, + enum ib_qp_type type) __must_hold(&qp->s_lock) __must_hold(&qp->s_hlock) __must_hold(&qp->r_lock) @@ -955,6 +958,27 @@ static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, lockdep_assert_held(&qp->s_lock); } +/** + * rvt_reset_qp - initialize the QP state to the reset state + * @rdi: the device info + * @qp: the QP to reset + * @type: the QP type + * + * This is the wrapper function to acquire the r_lock, s_hlock, and s_lock + * before calling _rvt_reset_qp(). + */ +static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, + enum ib_qp_type type) +{ + spin_lock_irq(&qp->r_lock); + spin_lock(&qp->s_hlock); + spin_lock(&qp->s_lock); + _rvt_reset_qp(rdi, qp, type); + spin_unlock(&qp->s_lock); + spin_unlock(&qp->s_hlock); + spin_unlock_irq(&qp->r_lock); +} + /** rvt_free_qpn - Free a qpn from the bit map * @qpt: QP table * @qpn: queue pair number to free @@ -1546,7 +1570,7 @@ int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, switch (new_state) { case IB_QPS_RESET: if (qp->state != IB_QPS_RESET) - rvt_reset_qp(rdi, qp, ibqp->qp_type); + _rvt_reset_qp(rdi, qp, ibqp->qp_type); break; case IB_QPS_RTR: @@ -1695,13 +1719,7 @@ int rvt_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata) struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device); - spin_lock_irq(&qp->r_lock); - spin_lock(&qp->s_hlock); - spin_lock(&qp->s_lock); rvt_reset_qp(rdi, qp, ibqp->qp_type); - spin_unlock(&qp->s_lock); - spin_unlock(&qp->s_hlock); - spin_unlock_irq(&qp->r_lock); wait_event(qp->wait, !atomic_read(&qp->refcount)); /* qpn is now available for use again */ diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 116cafc9afcf..4bc88708b355 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -329,7 +329,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, qp->comp.psn = pkt->psn; if (qp->req.wait_psn) { qp->req.wait_psn = 0; - rxe_run_task(&qp->req.task, 1); + rxe_run_task(&qp->req.task, 0); } } return COMPST_ERROR_RETRY; @@ -463,7 +463,7 @@ static void do_complete(struct rxe_qp *qp, struct rxe_send_wqe *wqe) */ if (qp->req.wait_fence) { qp->req.wait_fence = 0; - rxe_run_task(&qp->req.task, 1); + rxe_run_task(&qp->req.task, 0); } } @@ -479,7 +479,7 @@ static inline enum comp_state complete_ack(struct rxe_qp *qp, if (qp->req.need_rd_atomic) { qp->comp.timeout_retry = 0; qp->req.need_rd_atomic = 0; - rxe_run_task(&qp->req.task, 1); + rxe_run_task(&qp->req.task, 0); } } @@ -725,7 +725,7 @@ int rxe_completer(void *arg) RXE_CNT_COMP_RETRY); qp->req.need_retry = 1; qp->comp.started_retry = 1; - rxe_run_task(&qp->req.task, 1); + rxe_run_task(&qp->req.task, 0); } if (pkt) { diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index 0c3f0588346e..c5651a96b196 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -1225,10 +1225,9 @@ static void siw_cm_llp_data_ready(struct sock *sk) read_lock(&sk->sk_callback_lock); cep = sk_to_cep(sk); - if (!cep) { - WARN_ON(1); + if (!cep) goto out; - } + siw_dbg_cep(cep, "state: %d\n", cep->state); switch (cep->state) { diff --git a/drivers/input/keyboard/goldfish_events.c b/drivers/input/keyboard/goldfish_events.c index bc8c85a52a10..57d435fc5c73 100644 --- a/drivers/input/keyboard/goldfish_events.c +++ b/drivers/input/keyboard/goldfish_events.c @@ -30,7 +30,7 @@ struct event_dev { struct input_dev *input; int irq; void __iomem *addr; - char name[0]; + char name[]; }; static irqreturn_t events_interrupt(int irq, void *dev_id) diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 1f56d53454b2..53c9ff338dea 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -55,7 +55,7 @@ struct gpio_keys_drvdata { struct input_dev *input; struct mutex disable_lock; unsigned short *keymap; - struct gpio_button_data data[0]; + struct gpio_button_data data[]; }; /* diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index 6eb0a2f3f9de..c3937d2fc744 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -38,7 +38,7 @@ struct gpio_keys_polled_dev { const struct gpio_keys_platform_data *pdata; unsigned long rel_axis_seen[BITS_TO_LONGS(REL_CNT)]; unsigned long abs_axis_seen[BITS_TO_LONGS(ABS_CNT)]; - struct gpio_keys_button_data data[0]; + struct gpio_keys_button_data data[]; }; static void gpio_keys_button_event(struct input_dev *input, diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c index 2a14769de637..21758767ccf0 100644 --- a/drivers/input/keyboard/tca6416-keypad.c +++ b/drivers/input/keyboard/tca6416-keypad.c @@ -33,7 +33,7 @@ MODULE_DEVICE_TABLE(i2c, tca6416_id); struct tca6416_drv_data { struct input_dev *input; - struct tca6416_button data[0]; + struct tca6416_button data[]; }; struct tca6416_keypad_chip { @@ -48,7 +48,7 @@ struct tca6416_keypad_chip { int irqnum; u16 pinmask; bool use_polling; - struct tca6416_button buttons[0]; + struct tca6416_button buttons[]; }; static int tca6416_write_reg(struct tca6416_keypad_chip *chip, int reg, u16 val) diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c index 14239fbd72cf..7f012bfa2658 100644 --- a/drivers/input/mouse/cyapa_gen5.c +++ b/drivers/input/mouse/cyapa_gen5.c @@ -250,7 +250,7 @@ struct cyapa_tsg_bin_image_data_record { struct cyapa_tsg_bin_image { struct cyapa_tsg_bin_image_head image_head; - struct cyapa_tsg_bin_image_data_record records[0]; + struct cyapa_tsg_bin_image_data_record records[]; } __packed; struct pip_bl_packet_start { @@ -271,7 +271,7 @@ struct pip_bl_cmd_head { u8 report_id; /* Bootloader output report id, must be 40h */ u8 rsvd; /* Reserved, must be 0 */ struct pip_bl_packet_start packet_start; - u8 data[0]; /* Command data variable based on commands */ + u8 data[]; /* Command data variable based on commands */ } __packed; /* Initiate bootload command data structure. */ @@ -300,7 +300,7 @@ struct tsg_bl_metadata_row_params { struct tsg_bl_flash_row_head { u8 flash_array_id; __le16 flash_row_id; - u8 flash_data[0]; + u8 flash_data[]; } __packed; struct pip_app_cmd_head { @@ -314,7 +314,7 @@ struct pip_app_cmd_head { * Bit 6-0: command code. */ u8 cmd_code; - u8 parameter_data[0]; /* Parameter data variable based on cmd_code */ + u8 parameter_data[]; /* Parameter data variable based on cmd_code */ } __packed; /* Application get/set parameter command data structure */ diff --git a/drivers/input/mouse/psmouse-smbus.c b/drivers/input/mouse/psmouse-smbus.c index 027efdd2b2ad..a472489ccbad 100644 --- a/drivers/input/mouse/psmouse-smbus.c +++ b/drivers/input/mouse/psmouse-smbus.c @@ -190,6 +190,7 @@ static int psmouse_smbus_create_companion(struct device *dev, void *data) struct psmouse_smbus_dev *smbdev = data; unsigned short addr_list[] = { smbdev->board.addr, I2C_CLIENT_END }; struct i2c_adapter *adapter; + struct i2c_client *client; adapter = i2c_verify_adapter(dev); if (!adapter) @@ -198,12 +199,13 @@ static int psmouse_smbus_create_companion(struct device *dev, void *data) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_HOST_NOTIFY)) return 0; - smbdev->client = i2c_new_probed_device(adapter, &smbdev->board, - addr_list, NULL); - if (!smbdev->client) + client = i2c_new_scanned_device(adapter, &smbdev->board, + addr_list, NULL); + if (IS_ERR(client)) return 0; /* We have our(?) device, stop iterating i2c bus. */ + smbdev->client = client; return 1; } diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 1ae6f8bba9ae..2c666fb34625 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -146,7 +146,6 @@ static const char * const topbuttonpad_pnp_ids[] = { "LEN0042", /* Yoga */ "LEN0045", "LEN0047", - "LEN0049", "LEN2000", /* S540 */ "LEN2001", /* Edge E431 */ "LEN2002", /* Edge E531 */ @@ -166,9 +165,11 @@ static const char * const smbus_pnp_ids[] = { /* all of the topbuttonpad_pnp_ids are valid, we just add some extras */ "LEN0048", /* X1 Carbon 3 */ "LEN0046", /* X250 */ + "LEN0049", /* Yoga 11e */ "LEN004a", /* W541 */ "LEN005b", /* P50 */ "LEN005e", /* T560 */ + "LEN006c", /* T470s */ "LEN0071", /* T480 */ "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */ "LEN0073", /* X1 Carbon G5 (Elantech) */ @@ -179,6 +180,7 @@ static const char * const smbus_pnp_ids[] = { "LEN0097", /* X280 -> ALPS trackpoint */ "LEN009b", /* T580 */ "LEN200f", /* T450s */ + "LEN2044", /* L470 */ "LEN2054", /* E480 */ "LEN2055", /* E580 */ "SYN3052", /* HP EliteBook 840 G4 */ diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index 4a17096e83e1..199cf3daec10 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -167,6 +167,36 @@ static const struct ili2xxx_chip ili211x_chip = { .resolution = 2048, }; +static bool ili212x_touchdata_to_coords(const u8 *touchdata, + unsigned int finger, + unsigned int *x, unsigned int *y) +{ + u16 val; + + val = get_unaligned_be16(touchdata + 3 + (finger * 5) + 0); + if (!(val & BIT(15))) /* Touch indication */ + return false; + + *x = val & 0x3fff; + *y = get_unaligned_be16(touchdata + 3 + (finger * 5) + 2); + + return true; +} + +static bool ili212x_check_continue_polling(const u8 *data, bool touch) +{ + return touch; +} + +static const struct ili2xxx_chip ili212x_chip = { + .read_reg = ili210x_read_reg, + .get_touch_data = ili210x_read_touch_data, + .parse_touch_data = ili212x_touchdata_to_coords, + .continue_polling = ili212x_check_continue_polling, + .max_touches = 10, + .has_calibrate_reg = true, +}; + static int ili251x_read_reg(struct i2c_client *client, u8 reg, void *buf, size_t len) { @@ -321,7 +351,7 @@ static umode_t ili210x_calibrate_visible(struct kobject *kobj, struct i2c_client *client = to_i2c_client(dev); struct ili210x *priv = i2c_get_clientdata(client); - return priv->chip->has_calibrate_reg; + return priv->chip->has_calibrate_reg ? attr->mode : 0; } static const struct attribute_group ili210x_attr_group = { @@ -447,6 +477,7 @@ static int ili210x_i2c_probe(struct i2c_client *client, static const struct i2c_device_id ili210x_i2c_id[] = { { "ili210x", (long)&ili210x_chip }, { "ili2117", (long)&ili211x_chip }, + { "ili2120", (long)&ili212x_chip }, { "ili251x", (long)&ili251x_chip }, { } }; @@ -455,6 +486,7 @@ MODULE_DEVICE_TABLE(i2c, ili210x_i2c_id); static const struct of_device_id ili210x_dt_ids[] = { { .compatible = "ilitek,ili210x", .data = &ili210x_chip }, { .compatible = "ilitek,ili2117", .data = &ili211x_chip }, + { .compatible = "ilitek,ili2120", .data = &ili212x_chip }, { .compatible = "ilitek,ili251x", .data = &ili251x_chip }, { } }; diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 2104fb8afc06..9f33fdb3bb05 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -14,8 +14,8 @@ obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o amd_iommu_quirks.o obj-$(CONFIG_AMD_IOMMU_DEBUGFS) += amd_iommu_debugfs.o obj-$(CONFIG_AMD_IOMMU_V2) += amd_iommu_v2.o -obj-$(CONFIG_ARM_SMMU) += arm-smmu-mod.o -arm-smmu-mod-objs += arm-smmu.o arm-smmu-impl.o arm-smmu-qcom.o +obj-$(CONFIG_ARM_SMMU) += arm_smmu.o +arm_smmu-objs += arm-smmu.o arm-smmu-impl.o arm-smmu-qcom.o obj-$(CONFIG_ARM_SMMU_V3) += arm-smmu-v3.o obj-$(CONFIG_DMAR_TABLE) += dmar.o obj-$(CONFIG_INTEL_IOMMU) += intel-iommu.o intel-pasid.o diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 2759a8d57b7f..6be3853a5d97 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2523,6 +2523,7 @@ static int __init early_amd_iommu_init(void) struct acpi_table_header *ivrs_base; acpi_status status; int i, remap_cache_sz, ret = 0; + u32 pci_id; if (!amd_iommu_detected) return -ENODEV; @@ -2610,6 +2611,16 @@ static int __init early_amd_iommu_init(void) if (ret) goto out; + /* Disable IOMMU if there's Stoney Ridge graphics */ + for (i = 0; i < 32; i++) { + pci_id = read_pci_config(0, i, 0, 0); + if ((pci_id & 0xffff) == 0x1002 && (pci_id >> 16) == 0x98e4) { + pr_info("Disable IOMMU on Stoney Ridge\n"); + amd_iommu_disabled = true; + break; + } + } + /* Disable any previously enabled IOMMUs */ if (!is_kdump_kernel() || amd_iommu_disabled) disable_iommus(); @@ -2718,7 +2729,7 @@ static int __init state_next(void) ret = early_amd_iommu_init(); init_state = ret ? IOMMU_INIT_ERROR : IOMMU_ACPI_FINISHED; if (init_state == IOMMU_ACPI_FINISHED && amd_iommu_disabled) { - pr_info("AMD IOMMU disabled on kernel command-line\n"); + pr_info("AMD IOMMU disabled\n"); init_state = IOMMU_CMDLINE_DISABLED; ret = -EINVAL; } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 9dc37672bf89..6fa6de2b6ad5 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -762,6 +762,11 @@ static int iommu_dummy(struct device *dev) return dev->archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO; } +static bool attach_deferred(struct device *dev) +{ + return dev->archdata.iommu == DEFER_DEVICE_DOMAIN_INFO; +} + /** * is_downstream_to_pci_bridge - test if a device belongs to the PCI * sub-hierarchy of a candidate PCI-PCI bridge @@ -2510,8 +2515,7 @@ struct dmar_domain *find_domain(struct device *dev) { struct device_domain_info *info; - if (unlikely(dev->archdata.iommu == DEFER_DEVICE_DOMAIN_INFO || - dev->archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO)) + if (unlikely(attach_deferred(dev) || iommu_dummy(dev))) return NULL; if (dev_is_pci(dev)) @@ -2525,18 +2529,14 @@ struct dmar_domain *find_domain(struct device *dev) return NULL; } -static struct dmar_domain *deferred_attach_domain(struct device *dev) +static void do_deferred_attach(struct device *dev) { - if (unlikely(dev->archdata.iommu == DEFER_DEVICE_DOMAIN_INFO)) { - struct iommu_domain *domain; - - dev->archdata.iommu = NULL; - domain = iommu_get_domain_for_dev(dev); - if (domain) - intel_iommu_attach_device(domain, dev); - } + struct iommu_domain *domain; - return find_domain(dev); + dev->archdata.iommu = NULL; + domain = iommu_get_domain_for_dev(dev); + if (domain) + intel_iommu_attach_device(domain, dev); } static inline struct device_domain_info * @@ -2916,7 +2916,7 @@ static int identity_mapping(struct device *dev) struct device_domain_info *info; info = dev->archdata.iommu; - if (info && info != DUMMY_DEVICE_DOMAIN_INFO && info != DEFER_DEVICE_DOMAIN_INFO) + if (info) return (info->domain == si_domain); return 0; @@ -3587,6 +3587,9 @@ static bool iommu_need_mapping(struct device *dev) if (iommu_dummy(dev)) return false; + if (unlikely(attach_deferred(dev))) + do_deferred_attach(dev); + ret = identity_mapping(dev); if (ret) { u64 dma_mask = *dev->dma_mask; @@ -3635,7 +3638,7 @@ static dma_addr_t __intel_map_single(struct device *dev, phys_addr_t paddr, BUG_ON(dir == DMA_NONE); - domain = deferred_attach_domain(dev); + domain = find_domain(dev); if (!domain) return DMA_MAPPING_ERROR; @@ -3855,7 +3858,7 @@ static int intel_map_sg(struct device *dev, struct scatterlist *sglist, int nele if (!iommu_need_mapping(dev)) return dma_direct_map_sg(dev, sglist, nelems, dir, attrs); - domain = deferred_attach_domain(dev); + domain = find_domain(dev); if (!domain) return 0; @@ -3950,7 +3953,11 @@ bounce_map_single(struct device *dev, phys_addr_t paddr, size_t size, int prot = 0; int ret; - domain = deferred_attach_domain(dev); + if (unlikely(attach_deferred(dev))) + do_deferred_attach(dev); + + domain = find_domain(dev); + if (WARN_ON(dir == DMA_NONE || !domain)) return DMA_MAPPING_ERROR; @@ -6133,7 +6140,7 @@ intel_iommu_aux_get_pasid(struct iommu_domain *domain, struct device *dev) static bool intel_iommu_is_attach_deferred(struct iommu_domain *domain, struct device *dev) { - return dev->archdata.iommu == DEFER_DEVICE_DOMAIN_INFO; + return attach_deferred(dev); } static int diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c index 39759db4f003..4328da0b0a9f 100644 --- a/drivers/iommu/qcom_iommu.c +++ b/drivers/iommu/qcom_iommu.c @@ -344,21 +344,19 @@ static void qcom_iommu_domain_free(struct iommu_domain *domain) { struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain); - if (WARN_ON(qcom_domain->iommu)) /* forgot to detach? */ - return; - iommu_put_dma_cookie(domain); - /* NOTE: unmap can be called after client device is powered off, - * for example, with GPUs or anything involving dma-buf. So we - * cannot rely on the device_link. Make sure the IOMMU is on to - * avoid unclocked accesses in the TLB inv path: - */ - pm_runtime_get_sync(qcom_domain->iommu->dev); - - free_io_pgtable_ops(qcom_domain->pgtbl_ops); - - pm_runtime_put_sync(qcom_domain->iommu->dev); + if (qcom_domain->iommu) { + /* + * NOTE: unmap can be called after client device is powered + * off, for example, with GPUs or anything involving dma-buf. + * So we cannot rely on the device_link. Make sure the IOMMU + * is on to avoid unclocked accesses in the TLB inv path: + */ + pm_runtime_get_sync(qcom_domain->iommu->dev); + free_io_pgtable_ops(qcom_domain->pgtbl_ops); + pm_runtime_put_sync(qcom_domain->iommu->dev); + } kfree(qcom_domain); } @@ -404,7 +402,7 @@ static void qcom_iommu_detach_dev(struct iommu_domain *domain, struct device *de struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain); unsigned i; - if (!qcom_domain->iommu) + if (WARN_ON(!qcom_domain->iommu)) return; pm_runtime_get_sync(qcom_iommu->dev); @@ -417,8 +415,6 @@ static void qcom_iommu_detach_dev(struct iommu_domain *domain, struct device *de ctx->domain = NULL; } pm_runtime_put_sync(qcom_iommu->dev); - - qcom_domain->iommu = NULL; } static int qcom_iommu_map(struct iommu_domain *domain, unsigned long iova, diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index a1df0d95151c..8bc1faf71ff2 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -67,6 +67,7 @@ #include <linux/blkdev.h> #include <linux/kthread.h> #include <linux/random.h> +#include <linux/sched/signal.h> #include <trace/events/bcache.h> #define MAX_OPEN_BUCKETS 128 @@ -733,8 +734,21 @@ int bch_open_buckets_alloc(struct cache_set *c) int bch_cache_allocator_start(struct cache *ca) { - struct task_struct *k = kthread_run(bch_allocator_thread, - ca, "bcache_allocator"); + struct task_struct *k; + + /* + * In case previous btree check operation occupies too many + * system memory for bcache btree node cache, and the + * registering process is selected by OOM killer. Here just + * ignore the SIGKILL sent by OOM killer if there is, to + * avoid kthread_run() being failed by pending signals. The + * bcache registering process will exit after the registration + * done. + */ + if (signal_pending(current)) + flush_signals(current); + + k = kthread_run(bch_allocator_thread, ca, "bcache_allocator"); if (IS_ERR(k)) return PTR_ERR(k); diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index fa872df4e770..b12186c87f52 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -34,6 +34,7 @@ #include <linux/random.h> #include <linux/rcupdate.h> #include <linux/sched/clock.h> +#include <linux/sched/signal.h> #include <linux/rculist.h> #include <linux/delay.h> #include <trace/events/bcache.h> @@ -1913,6 +1914,18 @@ static int bch_gc_thread(void *arg) int bch_gc_thread_start(struct cache_set *c) { + /* + * In case previous btree check operation occupies too many + * system memory for bcache btree node cache, and the + * registering process is selected by OOM killer. Here just + * ignore the SIGKILL sent by OOM killer if there is, to + * avoid kthread_run() being failed by pending signals. The + * bcache registering process will exit after the registration + * done. + */ + if (signal_pending(current)) + flush_signals(current); + c->gc_thread = kthread_run(bch_gc_thread, c, "bcache_gc"); return PTR_ERR_OR_ZERO(c->gc_thread); } diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 6730820780b0..0e3ff9745ac7 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -417,8 +417,6 @@ err: /* Journalling */ -#define nr_to_fifo_front(p, front_p, mask) (((p) - (front_p)) & (mask)) - static void btree_flush_write(struct cache_set *c) { struct btree *b, *t, *btree_nodes[BTREE_FLUSH_NR]; @@ -510,9 +508,8 @@ static void btree_flush_write(struct cache_set *c) * journal entry can be reclaimed). These selected nodes * will be ignored and skipped in the folowing for-loop. */ - if (nr_to_fifo_front(btree_current_write(b)->journal, - fifo_front_p, - mask) != 0) { + if (((btree_current_write(b)->journal - fifo_front_p) & + mask) != 0) { mutex_unlock(&b->write_lock); continue; } diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 2749daf09724..0c3c5419c52b 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1917,23 +1917,6 @@ static int run_cache_set(struct cache_set *c) if (bch_btree_check(c)) goto err; - /* - * bch_btree_check() may occupy too much system memory which - * has negative effects to user space application (e.g. data - * base) performance. Shrink the mca cache memory proactively - * here to avoid competing memory with user space workloads.. - */ - if (!c->shrinker_disabled) { - struct shrink_control sc; - - sc.gfp_mask = GFP_KERNEL; - sc.nr_to_scan = c->btree_cache_used * c->btree_pages; - /* first run to clear b->accessed tag */ - c->shrink.scan_objects(&c->shrink, &sc); - /* second run to reap non-accessed nodes */ - c->shrink.scan_objects(&c->shrink, &sc); - } - bch_journal_mark(c, &journal); bch_initial_gc_finish(c); pr_debug("btree_check() done"); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 5dc32b72e7fa..ada59df642d2 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -66,8 +66,8 @@ MODULE_PARM_DESC(streams, "turn on support for Streams write directives"); * nvme_reset_wq - hosts nvme reset works * nvme_delete_wq - hosts nvme delete works * - * nvme_wq will host works such are scan, aen handling, fw activation, - * keep-alive error recovery, periodic reconnects etc. nvme_reset_wq + * nvme_wq will host works such as scan, aen handling, fw activation, + * keep-alive, periodic reconnects etc. nvme_reset_wq * runs reset works which also flush works hosted on nvme_wq for * serialization purposes. nvme_delete_wq host controller deletion * works which flush reset works for serialization. @@ -976,7 +976,7 @@ static void nvme_keep_alive_end_io(struct request *rq, blk_status_t status) startka = true; spin_unlock_irqrestore(&ctrl->lock, flags); if (startka) - schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ); + queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ); } static int nvme_keep_alive(struct nvme_ctrl *ctrl) @@ -1006,7 +1006,7 @@ static void nvme_keep_alive_work(struct work_struct *work) dev_dbg(ctrl->device, "reschedule traffic based keep-alive timer\n"); ctrl->comp_seen = false; - schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ); + queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ); return; } @@ -1023,7 +1023,7 @@ static void nvme_start_keep_alive(struct nvme_ctrl *ctrl) if (unlikely(ctrl->kato == 0)) return; - schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ); + queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ); } void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) @@ -3867,7 +3867,7 @@ static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl) if (!log) return; - if (nvme_get_log(ctrl, NVME_NSID_ALL, 0, NVME_LOG_FW_SLOT, log, + if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, log, sizeof(*log), 0)) dev_warn(ctrl->device, "Get FW SLOT INFO log error\n"); kfree(log); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index da392b50f73e..9c80f9f08149 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1401,6 +1401,23 @@ static void nvme_disable_admin_queue(struct nvme_dev *dev, bool shutdown) nvme_poll_irqdisable(nvmeq, -1); } +/* + * Called only on a device that has been disabled and after all other threads + * that can check this device's completion queues have synced. This is the + * last chance for the driver to see a natural completion before + * nvme_cancel_request() terminates all incomplete requests. + */ +static void nvme_reap_pending_cqes(struct nvme_dev *dev) +{ + u16 start, end; + int i; + + for (i = dev->ctrl.queue_count - 1; i > 0; i--) { + nvme_process_cq(&dev->queues[i], &start, &end, -1); + nvme_complete_cqes(&dev->queues[i], start, end); + } +} + static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues, int entry_size) { @@ -2235,11 +2252,6 @@ static bool __nvme_disable_io_queues(struct nvme_dev *dev, u8 opcode) if (timeout == 0) return false; - /* handle any remaining CQEs */ - if (opcode == nvme_admin_delete_cq && - !test_bit(NVMEQ_DELETE_ERROR, &nvmeq->flags)) - nvme_poll_irqdisable(nvmeq, -1); - sent--; if (nr_queues) goto retry; @@ -2428,6 +2440,7 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) nvme_suspend_io_queues(dev); nvme_suspend_queue(&dev->queues[0]); nvme_pci_disable(dev); + nvme_reap_pending_cqes(dev); blk_mq_tagset_busy_iter(&dev->tagset, nvme_cancel_request, &dev->ctrl); blk_mq_tagset_busy_iter(&dev->admin_tagset, nvme_cancel_request, &dev->ctrl); diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 2a47c6c5007e..3e85c5cacefd 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1088,7 +1088,7 @@ static void nvme_rdma_error_recovery(struct nvme_rdma_ctrl *ctrl) if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RESETTING)) return; - queue_work(nvme_wq, &ctrl->err_work); + queue_work(nvme_reset_wq, &ctrl->err_work); } static void nvme_rdma_wr_error(struct ib_cq *cq, struct ib_wc *wc, diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 6d43b23a0fc8..49d4373b84eb 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -422,7 +422,7 @@ static void nvme_tcp_error_recovery(struct nvme_ctrl *ctrl) if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) return; - queue_work(nvme_wq, &to_tcp_ctrl(ctrl)->err_work); + queue_work(nvme_reset_wq, &to_tcp_ctrl(ctrl)->err_work); } static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, @@ -1054,7 +1054,12 @@ static void nvme_tcp_io_work(struct work_struct *w) } else if (unlikely(result < 0)) { dev_err(queue->ctrl->ctrl.device, "failed to send request %d\n", result); - if (result != -EPIPE) + + /* + * Fail the request unless peer closed the connection, + * in which case error recovery flow will complete all. + */ + if ((result != -EPIPE) && (result != -ECONNRESET)) nvme_tcp_fail_request(queue->request); nvme_tcp_done_send_req(queue); return; diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 4b0798472643..ff74eb5fce50 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -182,11 +182,9 @@ enum qdio_queue_irq_states { }; struct qdio_input_q { - /* input buffer acknowledgement flag */ - int polling; /* first ACK'ed buffer */ int ack_start; - /* how much sbals are acknowledged with qebsm */ + /* how many SBALs are acknowledged */ int ack_count; /* last time of noticing incoming data */ u64 timestamp; diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index 35410e6eda2e..9c0370b27426 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -124,9 +124,8 @@ static int qstat_show(struct seq_file *m, void *v) seq_printf(m, "nr_used: %d ftc: %d\n", atomic_read(&q->nr_buf_used), q->first_to_check); if (q->is_input_q) { - seq_printf(m, "polling: %d ack start: %d ack count: %d\n", - q->u.in.polling, q->u.in.ack_start, - q->u.in.ack_count); + seq_printf(m, "ack start: %d ack count: %d\n", + q->u.in.ack_start, q->u.in.ack_count); seq_printf(m, "DSCI: %x IRQs disabled: %u\n", *(u8 *)q->irq_ptr->dsci, test_bit(QDIO_QUEUE_IRQS_DISABLED, diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index f8b897b7e78b..3475317c42e5 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -393,19 +393,15 @@ int debug_get_buf_state(struct qdio_q *q, unsigned int bufnr, static inline void qdio_stop_polling(struct qdio_q *q) { - if (!q->u.in.polling) + if (!q->u.in.ack_count) return; - q->u.in.polling = 0; qperf_inc(q, stop_polling); /* show the card that we are not polling anymore */ - if (is_qebsm(q)) { - set_buf_states(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT, - q->u.in.ack_count); - q->u.in.ack_count = 0; - } else - set_buf_state(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT); + set_buf_states(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT, + q->u.in.ack_count); + q->u.in.ack_count = 0; } static inline void account_sbals(struct qdio_q *q, unsigned int count) @@ -451,8 +447,7 @@ static inline void inbound_primed(struct qdio_q *q, unsigned int start, /* for QEBSM the ACK was already set by EQBS */ if (is_qebsm(q)) { - if (!q->u.in.polling) { - q->u.in.polling = 1; + if (!q->u.in.ack_count) { q->u.in.ack_count = count; q->u.in.ack_start = start; return; @@ -471,12 +466,12 @@ static inline void inbound_primed(struct qdio_q *q, unsigned int start, * or by the next inbound run. */ new = add_buf(start, count - 1); - if (q->u.in.polling) { + if (q->u.in.ack_count) { /* reset the previous ACK but first set the new one */ set_buf_state(q, new, SLSB_P_INPUT_ACK); set_buf_state(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT); } else { - q->u.in.polling = 1; + q->u.in.ack_count = 1; set_buf_state(q, new, SLSB_P_INPUT_ACK); } @@ -1479,13 +1474,12 @@ static int handle_inbound(struct qdio_q *q, unsigned int callflags, qperf_inc(q, inbound_call); - if (!q->u.in.polling) + if (!q->u.in.ack_count) goto set; /* protect against stop polling setting an ACK for an emptied slsb */ if (count == QDIO_MAX_BUFFERS_PER_Q) { /* overwriting everything, just delete polling status */ - q->u.in.polling = 0; q->u.in.ack_count = 0; goto set; } else if (buf_in_between(q->u.in.ack_start, bufnr, count)) { @@ -1495,15 +1489,14 @@ static int handle_inbound(struct qdio_q *q, unsigned int callflags, diff = sub_buf(diff, q->u.in.ack_start); q->u.in.ack_count -= diff; if (q->u.in.ack_count <= 0) { - q->u.in.polling = 0; q->u.in.ack_count = 0; goto set; } q->u.in.ack_start = add_buf(q->u.in.ack_start, diff); + } else { + /* the only ACK will be deleted */ + q->u.in.ack_count = 0; } - else - /* the only ACK will be deleted, so stop polling */ - q->u.in.polling = 0; } set: diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index dc430bd86ade..3ab8e80d7bbc 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -536,7 +536,7 @@ void qdio_print_subchannel_info(struct qdio_irq *irq_ptr, int qdio_enable_async_operation(struct qdio_output_q *outq) { outq->aobs = kcalloc(QDIO_MAX_BUFFERS_PER_Q, sizeof(struct qaob *), - GFP_ATOMIC); + GFP_KERNEL); if (!outq->aobs) { outq->use_cq = 0; return -ENOMEM; diff --git a/drivers/s390/cio/vfio_ccw_trace.h b/drivers/s390/cio/vfio_ccw_trace.h index 30162a318a8a..f5d31887d413 100644 --- a/drivers/s390/cio/vfio_ccw_trace.h +++ b/drivers/s390/cio/vfio_ccw_trace.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 - * Tracepoints for vfio_ccw driver +/* SPDX-License-Identifier: GPL-2.0 */ +/* Tracepoints for vfio_ccw driver * * Copyright IBM Corp. 2018 * diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index bb35ba4a8d24..4348fdff1c61 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -162,7 +162,7 @@ struct ap_card { unsigned int functions; /* AP device function bitfield. */ int queue_depth; /* AP queue depth.*/ int id; /* AP card number. */ - atomic_t total_request_count; /* # requests ever for this AP device.*/ + atomic64_t total_request_count; /* # requests ever for this AP device.*/ }; #define to_ap_card(x) container_of((x), struct ap_card, ap_dev.device) @@ -179,7 +179,7 @@ struct ap_queue { enum ap_state state; /* State of the AP device. */ int pendingq_count; /* # requests on pendingq list. */ int requestq_count; /* # requests on requestq list. */ - int total_request_count; /* # requests ever for this AP device.*/ + u64 total_request_count; /* # requests ever for this AP device.*/ int request_timeout; /* Request timeout in jiffies. */ struct timer_list timeout; /* Timer for request timeouts. */ struct list_head pendingq; /* List of message sent to AP queue. */ diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c index 63b4cc6cd7e5..e85bfca1ed16 100644 --- a/drivers/s390/crypto/ap_card.c +++ b/drivers/s390/crypto/ap_card.c @@ -63,13 +63,13 @@ static ssize_t request_count_show(struct device *dev, char *buf) { struct ap_card *ac = to_ap_card(dev); - unsigned int req_cnt; + u64 req_cnt; req_cnt = 0; spin_lock_bh(&ap_list_lock); - req_cnt = atomic_read(&ac->total_request_count); + req_cnt = atomic64_read(&ac->total_request_count); spin_unlock_bh(&ap_list_lock); - return snprintf(buf, PAGE_SIZE, "%d\n", req_cnt); + return snprintf(buf, PAGE_SIZE, "%llu\n", req_cnt); } static ssize_t request_count_store(struct device *dev, @@ -83,7 +83,7 @@ static ssize_t request_count_store(struct device *dev, for_each_ap_queue(aq, ac) aq->total_request_count = 0; spin_unlock_bh(&ap_list_lock); - atomic_set(&ac->total_request_count, 0); + atomic64_set(&ac->total_request_count, 0); return count; } diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index 37c3bdc3642d..a317ab484932 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -479,12 +479,12 @@ static ssize_t request_count_show(struct device *dev, char *buf) { struct ap_queue *aq = to_ap_queue(dev); - unsigned int req_cnt; + u64 req_cnt; spin_lock_bh(&aq->lock); req_cnt = aq->total_request_count; spin_unlock_bh(&aq->lock); - return snprintf(buf, PAGE_SIZE, "%d\n", req_cnt); + return snprintf(buf, PAGE_SIZE, "%llu\n", req_cnt); } static ssize_t request_count_store(struct device *dev, @@ -676,7 +676,7 @@ void ap_queue_message(struct ap_queue *aq, struct ap_message *ap_msg) list_add_tail(&ap_msg->list, &aq->requestq); aq->requestq_count++; aq->total_request_count++; - atomic_inc(&aq->card->total_request_count); + atomic64_inc(&aq->card->total_request_count); /* Send/receive as many request from the queue as possible. */ ap_wait(ap_sm_event_loop(aq, AP_EVENT_POLL)); spin_unlock_bh(&aq->lock); diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 71dae64ba994..2f33c5fcf676 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -994,7 +994,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd, return -EFAULT; rc = cca_sec2protkey(ksp.cardnr, ksp.domain, ksp.seckey.seckey, ksp.protkey.protkey, - NULL, &ksp.protkey.type); + &ksp.protkey.len, &ksp.protkey.type); DEBUG_DBG("%s cca_sec2protkey()=%d\n", __func__, rc); if (rc) break; diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index a42257d6c79e..56a405dce8bc 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -606,8 +606,8 @@ static inline bool zcrypt_card_compare(struct zcrypt_card *zc, weight += atomic_read(&zc->load); pref_weight += atomic_read(&pref_zc->load); if (weight == pref_weight) - return atomic_read(&zc->card->total_request_count) > - atomic_read(&pref_zc->card->total_request_count); + return atomic64_read(&zc->card->total_request_count) > + atomic64_read(&pref_zc->card->total_request_count); return weight > pref_weight; } @@ -1226,11 +1226,12 @@ static void zcrypt_qdepth_mask(char qdepth[], size_t max_adapters) spin_unlock(&zcrypt_list_lock); } -static void zcrypt_perdev_reqcnt(int reqcnt[], size_t max_adapters) +static void zcrypt_perdev_reqcnt(u32 reqcnt[], size_t max_adapters) { struct zcrypt_card *zc; struct zcrypt_queue *zq; int card; + u64 cnt; memset(reqcnt, 0, sizeof(int) * max_adapters); spin_lock(&zcrypt_list_lock); @@ -1242,8 +1243,9 @@ static void zcrypt_perdev_reqcnt(int reqcnt[], size_t max_adapters) || card >= max_adapters) continue; spin_lock(&zq->queue->lock); - reqcnt[card] = zq->queue->total_request_count; + cnt = zq->queue->total_request_count; spin_unlock(&zq->queue->lock); + reqcnt[card] = (cnt < UINT_MAX) ? (u32) cnt : UINT_MAX; } } local_bh_enable(); @@ -1421,9 +1423,9 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd, return 0; } case ZCRYPT_PERDEV_REQCNT: { - int *reqcnt; + u32 *reqcnt; - reqcnt = kcalloc(AP_DEVICES, sizeof(int), GFP_KERNEL); + reqcnt = kcalloc(AP_DEVICES, sizeof(u32), GFP_KERNEL); if (!reqcnt) return -ENOMEM; zcrypt_perdev_reqcnt(reqcnt, AP_DEVICES); @@ -1480,7 +1482,7 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd, } case Z90STAT_PERDEV_REQCNT: { /* the old ioctl supports only 64 adapters */ - int reqcnt[MAX_ZDEV_CARDIDS]; + u32 reqcnt[MAX_ZDEV_CARDIDS]; zcrypt_perdev_reqcnt(reqcnt, MAX_ZDEV_CARDIDS); if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt))) diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c index f68f4e1c215d..e6037f900fb7 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra30.c +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c @@ -36,7 +36,8 @@ defined(CONFIG_ARCH_TEGRA_124_SOC) || \ defined(CONFIG_ARCH_TEGRA_132_SOC) || \ defined(CONFIG_ARCH_TEGRA_210_SOC) || \ - defined(CONFIG_ARCH_TEGRA_186_SOC) + defined(CONFIG_ARCH_TEGRA_186_SOC) || \ + defined(CONFIG_ARCH_TEGRA_194_SOC) static u32 tegra30_fuse_read_early(struct tegra_fuse *fuse, unsigned int offset) { if (WARN_ON(!fuse->base)) |