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authorKernel Build Daemon <kbuild@suse.de>2019-03-20 07:11:09 +0100
committerKernel Build Daemon <kbuild@suse.de>2019-03-20 07:11:09 +0100
commit994f0c0ebf61b690142f6718a01ec5adafc483f9 (patch)
treed7eff2f99b5309035e2acade45ae11170dec1e30
parent80c4b7c5d90342eab040c3982b6d656d2614a3c6 (diff)
parent6d991dd44f7c7b8afb72f3a73b9d0629e9cf79fe (diff)
Merge branch 'SLE12-SP4' into SLE12-SP4-AZURE
-rw-r--r--drivers/acpi/nfit/core.c14
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_dump.c2
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c2
-rw-r--r--drivers/infiniband/core/security.c11
-rw-r--r--drivers/infiniband/core/verbs.c41
-rw-r--r--drivers/infiniband/hw/hfi1/hfi.h2
-rw-r--r--drivers/infiniband/hw/hfi1/init.c14
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c12
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h15
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c6
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c7
-rw-r--r--drivers/iommu/irq_remapping.h2
-rw-r--r--drivers/misc/vmw_vmci/vmci_doorbell.c9
-rw-r--r--drivers/misc/vmw_vmci/vmci_doorbell.h2
-rw-r--r--drivers/misc/vmw_vmci/vmci_driver.h2
-rw-r--r--drivers/misc/vmw_vmci/vmci_guest.c39
-rw-r--r--drivers/misc/vmw_vmci/vmci_queue_pair.c63
-rw-r--r--drivers/misc/vmw_vmci/vmci_queue_pair.h4
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.c2
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c10
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c4
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c4
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c4
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h2
-rw-r--r--drivers/net/ethernet/cavium/Kconfig1
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cmd.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c21
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/jit.c17
-rw-r--r--drivers/net/ppp/pptp.c1
-rw-r--r--drivers/net/vxlan.c14
-rw-r--r--drivers/nvdimm/label.c23
-rw-r--r--drivers/nvdimm/namespace_devs.c4
-rw-r--r--drivers/nvme/host/core.c4
-rw-r--r--drivers/video/fbdev/chipsfb.c3
-rw-r--r--fs/9p/v9fs_vfs.h23
-rw-r--r--fs/9p/vfs_file.c6
-rw-r--r--fs/9p/vfs_inode.c23
-rw-r--r--fs/9p/vfs_inode_dotl.c27
-rw-r--r--fs/9p/vfs_super.c4
-rw-r--r--fs/btrfs/extent_io.c4
-rw-r--r--fs/dcache.c6
-rw-r--r--fs/devpts/inode.c1
-rw-r--r--fs/pipe.c14
-rw-r--r--fs/proc/proc_sysctl.c13
-rw-r--r--fs/splice.c4
-rw-r--r--include/linux/pipe_fs_i.h1
-rw-r--r--include/linux/vmw_vmci_defs.h7
-rw-r--r--kernel/bpf/verifier.c15
-rw-r--r--kernel/sched/fair.c6
-rw-r--r--kernel/trace/trace.c1
-rw-r--r--kernel/trace/trace_events_hist.c5
-rw-r--r--net/9p/client.c2
53 files changed, 341 insertions, 198 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 14f8725e67e9..a449a2a812a2 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -537,6 +537,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
return -EINVAL;
}
+ if (out_obj->type != ACPI_TYPE_BUFFER) {
+ dev_dbg(dev, "%s unexpected output object type cmd: %s type: %d\n",
+ dimm_name, cmd_name, out_obj->type);
+ rc = -EINVAL;
+ goto out;
+ }
+
if (call_pkg) {
call_pkg->nd_fw_size = out_obj->buffer.length;
memcpy(call_pkg->nd_payload + call_pkg->nd_size_in,
@@ -555,13 +562,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
return 0;
}
- if (out_obj->package.type != ACPI_TYPE_BUFFER) {
- dev_dbg(dev, "%s:%s unexpected output object type cmd: %s type: %d\n",
- __func__, dimm_name, cmd_name, out_obj->type);
- rc = -EINVAL;
- goto out;
- }
-
dev_dbg(dev, "%s:%s cmd: %s output length: %d\n", __func__, dimm_name,
cmd_name, out_obj->buffer.length);
print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
index 2d955d7d7b6d..e154e6fb64da 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
@@ -207,7 +207,7 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu)
mutex_lock(&obj->lock);
pages = etnaviv_gem_get_pages(obj);
mutex_unlock(&obj->lock);
- if (pages) {
+ if (!IS_ERR(pages)) {
int j;
iter.hdr->data[0] = bomap - bomap_start;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index abed6f781281..9886620f4656 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -26,7 +26,7 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
int npages = obj->size >> PAGE_SHIFT;
if (WARN_ON(!etnaviv_obj->pages)) /* should have already pinned! */
- return NULL;
+ return ERR_PTR(-EINVAL);
return drm_prime_pages_to_sg(etnaviv_obj->pages, npages);
}
diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index 59b2f96d986a..a3dd88c57be7 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -715,16 +715,20 @@ int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
agent->device->name,
agent->port_num);
if (ret)
- return ret;
+ goto free_security;
agent->lsm_nb.notifier_call = ib_mad_agent_security_change;
ret = register_lsm_notifier(&agent->lsm_nb);
if (ret)
- return ret;
+ goto free_security;
agent->smp_allowed = true;
agent->lsm_nb_reg = true;
return 0;
+
+free_security:
+ security_ib_free_security(agent->security);
+ return ret;
}
void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
@@ -732,9 +736,10 @@ void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
if (!rdma_protocol_ib(agent->device, agent->port_num))
return;
- security_ib_free_security(agent->security);
if (agent->lsm_nb_reg)
unregister_lsm_notifier(&agent->lsm_nb);
+
+ security_ib_free_security(agent->security);
}
int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index)
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 954a5cc90bb4..cb5b4fc2a674 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -766,8 +766,8 @@ struct ib_qp *ib_open_qp(struct ib_xrcd *xrcd,
}
EXPORT_SYMBOL(ib_open_qp);
-static struct ib_qp *ib_create_xrc_qp(struct ib_qp *qp,
- struct ib_qp_init_attr *qp_init_attr)
+static struct ib_qp *create_xrc_qp(struct ib_qp *qp,
+ struct ib_qp_init_attr *qp_init_attr)
{
struct ib_qp *real_qp = qp;
@@ -782,10 +782,10 @@ static struct ib_qp *ib_create_xrc_qp(struct ib_qp *qp,
qp = __ib_open_qp(real_qp, qp_init_attr->event_handler,
qp_init_attr->qp_context);
- if (!IS_ERR(qp))
- __ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp);
- else
- real_qp->device->destroy_qp(real_qp);
+ if (IS_ERR(qp))
+ return qp;
+
+ __ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp);
return qp;
}
@@ -816,10 +816,8 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
return qp;
ret = ib_create_qp_security(qp, device);
- if (ret) {
- ib_destroy_qp(qp);
- return ERR_PTR(ret);
- }
+ if (ret)
+ goto err;
qp->device = device;
qp->real_qp = qp;
@@ -834,8 +832,15 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
INIT_LIST_HEAD(&qp->sig_mrs);
qp->port = 0;
- if (qp_init_attr->qp_type == IB_QPT_XRC_TGT)
- return ib_create_xrc_qp(qp, qp_init_attr);
+ if (qp_init_attr->qp_type == IB_QPT_XRC_TGT) {
+ struct ib_qp *xrc_qp = create_xrc_qp(qp, qp_init_attr);
+
+ if (IS_ERR(xrc_qp)) {
+ ret = PTR_ERR(xrc_qp);
+ goto err;
+ }
+ return xrc_qp;
+ }
qp->event_handler = qp_init_attr->event_handler;
qp->qp_context = qp_init_attr->qp_context;
@@ -863,11 +868,8 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
if (qp_init_attr->cap.max_rdma_ctxs) {
ret = rdma_rw_init_mrs(qp, qp_init_attr);
- if (ret) {
- pr_err("failed to init MR pool ret= %d\n", ret);
- ib_destroy_qp(qp);
- return ERR_PTR(ret);
- }
+ if (ret)
+ goto err;
}
/*
@@ -880,6 +882,11 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
device->attrs.max_sge_rd);
return qp;
+
+err:
+ ib_destroy_qp(qp);
+ return ERR_PTR(ret);
+
}
EXPORT_SYMBOL(ib_create_qp);
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index c6ac93c4482f..85386625e5f5 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1411,7 +1411,7 @@ void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd,
struct hfi1_devdata *dd, u8 hw_pidx, u8 port);
void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd);
int hfi1_rcd_put(struct hfi1_ctxtdata *rcd);
-void hfi1_rcd_get(struct hfi1_ctxtdata *rcd);
+int hfi1_rcd_get(struct hfi1_ctxtdata *rcd);
struct hfi1_ctxtdata *hfi1_rcd_get_by_index_safe(struct hfi1_devdata *dd,
u16 ctxt);
struct hfi1_ctxtdata *hfi1_rcd_get_by_index(struct hfi1_devdata *dd, u16 ctxt);
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index edc629ef7cc9..d37454892e17 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -213,12 +213,12 @@ static void hfi1_rcd_free(struct kref *kref)
struct hfi1_ctxtdata *rcd =
container_of(kref, struct hfi1_ctxtdata, kref);
- hfi1_free_ctxtdata(rcd->dd, rcd);
-
spin_lock_irqsave(&rcd->dd->uctxt_lock, flags);
rcd->dd->rcd[rcd->ctxt] = NULL;
spin_unlock_irqrestore(&rcd->dd->uctxt_lock, flags);
+ hfi1_free_ctxtdata(rcd->dd, rcd);
+
kfree(rcd);
}
@@ -241,10 +241,13 @@ int hfi1_rcd_put(struct hfi1_ctxtdata *rcd)
* @rcd: pointer to an initialized rcd data structure
*
* Use this to get a reference after the init.
+ *
+ * Return : reflect kref_get_unless_zero(), which returns non-zero on
+ * increment, otherwise 0.
*/
-void hfi1_rcd_get(struct hfi1_ctxtdata *rcd)
+int hfi1_rcd_get(struct hfi1_ctxtdata *rcd)
{
- kref_get(&rcd->kref);
+ return kref_get_unless_zero(&rcd->kref);
}
/**
@@ -324,7 +327,8 @@ struct hfi1_ctxtdata *hfi1_rcd_get_by_index(struct hfi1_devdata *dd, u16 ctxt)
spin_lock_irqsave(&dd->uctxt_lock, flags);
if (dd->rcd[ctxt]) {
rcd = dd->rcd[ctxt];
- hfi1_rcd_get(rcd);
+ if (!hfi1_rcd_get(rcd))
+ rcd = NULL;
}
spin_unlock_irqrestore(&dd->uctxt_lock, flags);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 53fe3eb581ee..d822e93c73b4 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -536,6 +536,9 @@ void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
int shrink = 0;
int c;
+ if (!mr->allocated_from_cache)
+ return;
+
c = order2idx(dev, mr->order);
if (c < 0 || c >= MAX_MR_CACHE_ENTRIES) {
mlx5_ib_warn(dev, "order %d, cache index %d\n", mr->order, c);
@@ -1564,18 +1567,19 @@ static int dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
umem = NULL;
}
#endif
-
clean_mr(dev, mr);
+ /*
+ * We should unregister the DMA address from the HCA before
+ * remove the DMA mapping.
+ */
+ mlx5_mr_cache_free(dev, mr);
if (umem) {
ib_umem_release(umem);
atomic_sub(npages, &dev->mdev->priv.reg_pages);
}
-
if (!mr->allocated_from_cache)
kfree(mr);
- else
- mlx5_mr_cache_free(dev, mr);
return 0;
}
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
index 6fd5a8f4e2f6..8f9749d54688 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
@@ -57,7 +57,8 @@
#define PVRDMA_ROCEV1_VERSION 17
#define PVRDMA_ROCEV2_VERSION 18
-#define PVRDMA_VERSION PVRDMA_ROCEV2_VERSION
+#define PVRDMA_PPN64_VERSION 19
+#define PVRDMA_VERSION PVRDMA_PPN64_VERSION
#define PVRDMA_BOARD_ID 1
#define PVRDMA_REV_ID 1
@@ -279,8 +280,10 @@ struct pvrdma_device_shared_region {
/* W: Async ring page info. */
struct pvrdma_ring_page_info cq_ring_pages;
/* W: CQ ring page info. */
- u32 uar_pfn; /* W: UAR pageframe. */
- u32 pad2; /* Pad to 8-byte align. */
+ union {
+ u32 uar_pfn; /* W: UAR pageframe. */
+ u64 uar_pfn64; /* W: 64-bit UAR page frame. */
+ };
struct pvrdma_device_caps caps; /* R: Device capabilities. */
};
@@ -411,8 +414,10 @@ struct pvrdma_cmd_query_pkey_resp {
struct pvrdma_cmd_create_uc {
struct pvrdma_cmd_hdr hdr;
- u32 pfn; /* UAR page frame number */
- u8 reserved[4];
+ union {
+ u32 pfn; /* UAR page frame number */
+ u64 pfn64; /* 64-bit UAR page frame number */
+ };
};
struct pvrdma_cmd_create_uc_resp {
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
index e92681878c93..74e749714966 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
@@ -898,7 +898,11 @@ static int pvrdma_pci_probe(struct pci_dev *pdev,
PVRDMA_GOS_BITS_64;
dev->dsr->gos_info.gos_type = PVRDMA_GOS_TYPE_LINUX;
dev->dsr->gos_info.gos_ver = 1;
- dev->dsr->uar_pfn = dev->driver_uar.pfn;
+
+ if (dev->dsr_version < PVRDMA_PPN64_VERSION)
+ dev->dsr->uar_pfn = dev->driver_uar.pfn;
+ else
+ dev->dsr->uar_pfn64 = dev->driver_uar.pfn;
/* Command slot. */
dev->cmd_slot = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
index a51463cd2f37..5659e94c0150 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
@@ -338,7 +338,12 @@ struct ib_ucontext *pvrdma_alloc_ucontext(struct ib_device *ibdev,
/* get ctx_handle from host */
memset(cmd, 0, sizeof(*cmd));
- cmd->pfn = context->uar.pfn;
+
+ if (vdev->dsr_version < PVRDMA_PPN64_VERSION)
+ cmd->pfn = context->uar.pfn;
+ else
+ cmd->pfn64 = context->uar.pfn;
+
cmd->hdr.cmd = PVRDMA_CMD_CREATE_UC;
ret = pvrdma_cmd_post(vdev, &req, &rsp, PVRDMA_CMD_CREATE_UC_RESP);
if (ret < 0) {
diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
index a6fe579511f3..889d21f4749a 100644
--- a/drivers/iommu/irq_remapping.h
+++ b/drivers/iommu/irq_remapping.h
@@ -64,9 +64,9 @@ struct irq_remap_ops {
extern struct irq_remap_ops intel_irq_remap_ops;
extern struct irq_remap_ops amd_iommu_irq_ops;
+extern struct irq_remap_ops hyperv_irq_remap_ops;
extern void ir_ack_apic_edge(struct irq_data *data);
-extern struct irq_remap_ops hyperv_irq_remap_ops;
#else /* CONFIG_IRQ_REMAP */
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.c b/drivers/misc/vmw_vmci/vmci_doorbell.c
index b3fa738ae005..7824c7494916 100644
--- a/drivers/misc/vmw_vmci/vmci_doorbell.c
+++ b/drivers/misc/vmw_vmci/vmci_doorbell.c
@@ -330,7 +330,7 @@ int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle)
/*
* Register the notification bitmap with the host.
*/
-bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn)
+bool vmci_dbell_register_notification_bitmap(u64 bitmap_ppn)
{
int result;
struct vmci_notify_bm_set_msg bitmap_set_msg;
@@ -340,11 +340,14 @@ bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn)
bitmap_set_msg.hdr.src = VMCI_ANON_SRC_HANDLE;
bitmap_set_msg.hdr.payload_size = sizeof(bitmap_set_msg) -
VMCI_DG_HEADERSIZE;
- bitmap_set_msg.bitmap_ppn = bitmap_ppn;
+ if (vmci_use_ppn64())
+ bitmap_set_msg.bitmap_ppn64 = bitmap_ppn;
+ else
+ bitmap_set_msg.bitmap_ppn32 = (u32) bitmap_ppn;
result = vmci_send_datagram(&bitmap_set_msg.hdr);
if (result != VMCI_SUCCESS) {
- pr_devel("Failed to register (PPN=%u) as notification bitmap (error=%d)\n",
+ pr_devel("Failed to register (PPN=%llu) as notification bitmap (error=%d)\n",
bitmap_ppn, result);
return false;
}
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.h b/drivers/misc/vmw_vmci/vmci_doorbell.h
index e4c0b17486a5..410a21f8436f 100644
--- a/drivers/misc/vmw_vmci/vmci_doorbell.h
+++ b/drivers/misc/vmw_vmci/vmci_doorbell.h
@@ -45,7 +45,7 @@ struct dbell_cpt_state {
int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle);
int vmci_dbell_get_priv_flags(struct vmci_handle handle, u32 *priv_flags);
-bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn);
+bool vmci_dbell_register_notification_bitmap(u64 bitmap_ppn);
void vmci_dbell_scan_notification_entries(u8 *bitmap);
#endif /* VMCI_DOORBELL_H */
diff --git a/drivers/misc/vmw_vmci/vmci_driver.h b/drivers/misc/vmw_vmci/vmci_driver.h
index cee9e977d318..2fbf4a0ac657 100644
--- a/drivers/misc/vmw_vmci/vmci_driver.h
+++ b/drivers/misc/vmw_vmci/vmci_driver.h
@@ -54,4 +54,6 @@ void vmci_guest_exit(void);
bool vmci_guest_code_active(void);
u32 vmci_get_vm_context_id(void);
+bool vmci_use_ppn64(void);
+
#endif /* _VMCI_DRIVER_H_ */
diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c
index dad5abee656e..928708128177 100644
--- a/drivers/misc/vmw_vmci/vmci_guest.c
+++ b/drivers/misc/vmw_vmci/vmci_guest.c
@@ -64,6 +64,13 @@ struct vmci_guest_device {
dma_addr_t notification_base;
};
+static bool use_ppn64;
+
+bool vmci_use_ppn64(void)
+{
+ return use_ppn64;
+}
+
/* vmci_dev singleton device and supporting data*/
struct pci_dev *vmci_pdev;
static struct vmci_guest_device *vmci_dev_g;
@@ -432,6 +439,7 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
struct vmci_guest_device *vmci_dev;
void __iomem *iobase;
unsigned int capabilities;
+ unsigned int caps_in_use;
unsigned long cmd;
int vmci_err;
int error;
@@ -496,6 +504,23 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
error = -ENXIO;
goto err_free_data_buffer;
}
+ caps_in_use = VMCI_CAPS_DATAGRAM;
+
+ /*
+ * Use 64-bit PPNs if the device supports.
+ *
+ * There is no check for the return value of dma_set_mask_and_coherent
+ * since this driver can handle the default mask values if
+ * dma_set_mask_and_coherent fails.
+ */
+ if (capabilities & VMCI_CAPS_PPN64) {
+ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ use_ppn64 = true;
+ caps_in_use |= VMCI_CAPS_PPN64;
+ } else {
+ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
+ use_ppn64 = false;
+ }
/*
* If the hardware supports notifications, we will use that as
@@ -510,14 +535,14 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
"Unable to allocate notification bitmap\n");
} else {
memset(vmci_dev->notification_bitmap, 0, PAGE_SIZE);
- capabilities |= VMCI_CAPS_NOTIFICATIONS;
+ caps_in_use |= VMCI_CAPS_NOTIFICATIONS;
}
}
- dev_info(&pdev->dev, "Using capabilities 0x%x\n", capabilities);
+ dev_info(&pdev->dev, "Using capabilities 0x%x\n", caps_in_use);
/* Let the host know which capabilities we intend to use. */
- iowrite32(capabilities, vmci_dev->iobase + VMCI_CAPS_ADDR);
+ iowrite32(caps_in_use, vmci_dev->iobase + VMCI_CAPS_ADDR);
/* Set up global device so that we can start sending datagrams */
spin_lock_irq(&vmci_dev_spinlock);
@@ -529,13 +554,13 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
* Register notification bitmap with device if that capability is
* used.
*/
- if (capabilities & VMCI_CAPS_NOTIFICATIONS) {
+ if (caps_in_use & VMCI_CAPS_NOTIFICATIONS) {
unsigned long bitmap_ppn =
vmci_dev->notification_base >> PAGE_SHIFT;
if (!vmci_dbell_register_notification_bitmap(bitmap_ppn)) {
dev_warn(&pdev->dev,
- "VMCI device unable to register notification bitmap with PPN 0x%x\n",
- (u32) bitmap_ppn);
+ "VMCI device unable to register notification bitmap with PPN 0x%lx\n",
+ bitmap_ppn);
error = -ENXIO;
goto err_remove_vmci_dev_g;
}
@@ -611,7 +636,7 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
/* Enable specific interrupt bits. */
cmd = VMCI_IMR_DATAGRAM;
- if (capabilities & VMCI_CAPS_NOTIFICATIONS)
+ if (caps_in_use & VMCI_CAPS_NOTIFICATIONS)
cmd |= VMCI_IMR_NOTIFICATION;
iowrite32(cmd, vmci_dev->iobase + VMCI_IMR_ADDR);
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index 55410b2b7773..6f1efa281fa8 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -476,8 +476,8 @@ static int qp_alloc_ppn_set(void *prod_q,
void *cons_q,
u64 num_consume_pages, struct ppn_set *ppn_set)
{
- u32 *produce_ppns;
- u32 *consume_ppns;
+ u64 *produce_ppns;
+ u64 *consume_ppns;
struct vmci_queue *produce_q = prod_q;
struct vmci_queue *consume_q = cons_q;
u64 i;
@@ -501,31 +501,13 @@ static int qp_alloc_ppn_set(void *prod_q,
return VMCI_ERROR_NO_MEM;
}
- for (i = 0; i < num_produce_pages; i++) {
- unsigned long pfn;
-
+ for (i = 0; i < num_produce_pages; i++)
produce_ppns[i] =
produce_q->kernel_if->u.g.pas[i] >> PAGE_SHIFT;
- pfn = produce_ppns[i];
-
- /* Fail allocation if PFN isn't supported by hypervisor. */
- if (sizeof(pfn) > sizeof(*produce_ppns)
- && pfn != produce_ppns[i])
- goto ppn_error;
- }
-
- for (i = 0; i < num_consume_pages; i++) {
- unsigned long pfn;
+ for (i = 0; i < num_consume_pages; i++)
consume_ppns[i] =
consume_q->kernel_if->u.g.pas[i] >> PAGE_SHIFT;
- pfn = consume_ppns[i];
-
- /* Fail allocation if PFN isn't supported by hypervisor. */
- if (sizeof(pfn) > sizeof(*consume_ppns)
- && pfn != consume_ppns[i])
- goto ppn_error;
- }
ppn_set->num_produce_pages = num_produce_pages;
ppn_set->num_consume_pages = num_consume_pages;
@@ -533,11 +515,6 @@ static int qp_alloc_ppn_set(void *prod_q,
ppn_set->consume_ppns = consume_ppns;
ppn_set->initialized = true;
return VMCI_SUCCESS;
-
- ppn_error:
- kfree(produce_ppns);
- kfree(consume_ppns);
- return VMCI_ERROR_INVALID_ARGS;
}
/*
@@ -559,12 +536,28 @@ static void qp_free_ppn_set(struct ppn_set *ppn_set)
*/
static int qp_populate_ppn_set(u8 *call_buf, const struct ppn_set *ppn_set)
{
- memcpy(call_buf, ppn_set->produce_ppns,
- ppn_set->num_produce_pages * sizeof(*ppn_set->produce_ppns));
- memcpy(call_buf +
- ppn_set->num_produce_pages * sizeof(*ppn_set->produce_ppns),
- ppn_set->consume_ppns,
- ppn_set->num_consume_pages * sizeof(*ppn_set->consume_ppns));
+ if (vmci_use_ppn64()) {
+ memcpy(call_buf, ppn_set->produce_ppns,
+ ppn_set->num_produce_pages *
+ sizeof(*ppn_set->produce_ppns));
+ memcpy(call_buf +
+ ppn_set->num_produce_pages *
+ sizeof(*ppn_set->produce_ppns),
+ ppn_set->consume_ppns,
+ ppn_set->num_consume_pages *
+ sizeof(*ppn_set->consume_ppns));
+ } else {
+ int i;
+ u32 *ppns = (u32 *) call_buf;
+
+ for (i = 0; i < ppn_set->num_produce_pages; i++)
+ ppns[i] = (u32) ppn_set->produce_ppns[i];
+
+ ppns = &ppns[ppn_set->num_produce_pages];
+
+ for (i = 0; i < ppn_set->num_consume_pages; i++)
+ ppns[i] = (u32) ppn_set->consume_ppns[i];
+ }
return VMCI_SUCCESS;
}
@@ -1038,13 +1031,15 @@ static int qp_alloc_hypercall(const struct qp_guest_endpoint *entry)
{
struct vmci_qp_alloc_msg *alloc_msg;
size_t msg_size;
+ size_t ppn_size;
int result;
if (!entry || entry->num_ppns <= 2)
return VMCI_ERROR_INVALID_ARGS;
+ ppn_size = vmci_use_ppn64() ? sizeof(u64) : sizeof(u32);
msg_size = sizeof(*alloc_msg) +
- (size_t) entry->num_ppns * sizeof(u32);
+ (size_t) entry->num_ppns * ppn_size;
alloc_msg = kmalloc(msg_size, GFP_KERNEL);
if (!alloc_msg)
return VMCI_ERROR_NO_MEM;
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.h b/drivers/misc/vmw_vmci/vmci_queue_pair.h
index ed177f04ef24..46c0b6c7bafb 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.h
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.h
@@ -28,8 +28,8 @@ typedef int (*vmci_event_release_cb) (void *client_data);
struct ppn_set {
u64 num_produce_pages;
u64 num_consume_pages;
- u32 *produce_ppns;
- u32 *consume_ppns;
+ u64 *produce_ppns;
+ u64 *consume_ppns;
bool initialized;
};
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index 548a956637ee..5ec9145a4f35 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -122,7 +122,7 @@ int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
/* normal link detection */
break;
default:
- return -EINVAL;
+ return -EOPNOTSUPP;
}
err = mv88e6xxx_port_write(chip, port, PORT_PCS_CTRL, reg);
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 86f52e84fa9d..43b901e46dee 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2663,11 +2663,6 @@ static int ena_restore_device(struct ena_adapter *adapter)
goto err_device_destroy;
}
- clear_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags);
- /* Make sure we don't have a race with AENQ Links state handler */
- if (test_bit(ENA_FLAG_LINK_UP, &adapter->flags))
- netif_carrier_on(adapter->netdev);
-
rc = ena_enable_msix_and_set_admin_interrupts(adapter,
adapter->num_queues);
if (rc) {
@@ -2684,6 +2679,11 @@ static int ena_restore_device(struct ena_adapter *adapter)
}
set_bit(ENA_FLAG_DEVICE_RUNNING, &adapter->flags);
+
+ clear_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags);
+ if (test_bit(ENA_FLAG_LINK_UP, &adapter->flags))
+ netif_carrier_on(adapter->netdev);
+
mod_timer(&adapter->timer_service, round_jiffies(jiffies + HZ));
dev_err(&pdev->dev,
"Device reset completed successfully, Driver info: %s\n",
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index faeb4935ef3e..47167aa3c588 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -171,8 +171,8 @@ static int hw_atl_a0_hw_rss_set(struct aq_hw_s *self,
u32 i = 0U;
u32 num_rss_queues = max(1U, self->aq_nic_cfg->num_rss_queues);
int err = 0;
- u16 bitary[(HW_ATL_A0_RSS_REDIRECTION_MAX *
- HW_ATL_A0_RSS_REDIRECTION_BITS / 16U)];
+ u16 bitary[1 + (HW_ATL_A0_RSS_REDIRECTION_MAX *
+ HW_ATL_A0_RSS_REDIRECTION_BITS / 16U)];
memset(bitary, 0, sizeof(bitary));
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 5908ac35cb00..4b47d3042f77 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -172,8 +172,8 @@ static int hw_atl_b0_hw_rss_set(struct aq_hw_s *self,
u32 i = 0U;
u32 num_rss_queues = max(1U, self->aq_nic_cfg->num_rss_queues);
int err = 0;
- u16 bitary[(HW_ATL_B0_RSS_REDIRECTION_MAX *
- HW_ATL_B0_RSS_REDIRECTION_BITS / 16U)];
+ u16 bitary[1 + (HW_ATL_B0_RSS_REDIRECTION_MAX *
+ HW_ATL_B0_RSS_REDIRECTION_BITS / 16U)];
memset(bitary, 0, sizeof(bitary));
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 4262d553c41e..802e98f08a13 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3521,7 +3521,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
if (len)
break;
/* on first few passes, just barely sleep */
- if (i < DFLT_HWRM_CMD_TIMEOUT)
+ if (i < HWRM_SHORT_TIMEOUT_COUNTER)
usleep_range(HWRM_SHORT_MIN_TIMEOUT,
HWRM_SHORT_MAX_TIMEOUT);
else
@@ -3544,7 +3544,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
dma_rmb();
if (*valid)
break;
- udelay(1);
+ usleep_range(1, 5);
}
if (j >= HWRM_VALID_BIT_DELAY_USEC) {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index b91b88bf7926..43b0c16f69cf 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -542,7 +542,7 @@ struct rx_tpa_end_cmp_ext {
(HWRM_SHORT_TIMEOUT_COUNTER * HWRM_SHORT_MIN_TIMEOUT + \
((n) - HWRM_SHORT_TIMEOUT_COUNTER) * HWRM_MIN_TIMEOUT))
-#define HWRM_VALID_BIT_DELAY_USEC 20
+#define HWRM_VALID_BIT_DELAY_USEC 150
#define BNXT_RX_EVENT 1
#define BNXT_AGG_EVENT 2
diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index f151ae7c3d46..77e3769b9cda 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -55,7 +55,6 @@ config CAVIUM_PTP
tristate "Cavium PTP coprocessor as PTP clock"
depends on 64BIT
imply PTP_1588_CLOCK
- default y
---help---
This driver adds support for the Precision Time Protocol Clocks and
Timestamping coprocessor (PTP) found on Cavium processors.
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 6a9086dc1e92..0695014a38d7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -2642,6 +2642,9 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev)
if (!priv->cmd.context)
return -ENOMEM;
+ if (mlx4_is_mfunc(dev))
+ mutex_lock(&priv->cmd.slave_cmd_mutex);
+
down_write(&priv->cmd.switch_sem);
for (i = 0; i < priv->cmd.max_cmds; ++i) {
priv->cmd.context[i].token = i;
@@ -2667,6 +2670,8 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev)
down(&priv->cmd.poll_sem);
priv->cmd.use_events = 1;
up_write(&priv->cmd.switch_sem);
+ if (mlx4_is_mfunc(dev))
+ mutex_unlock(&priv->cmd.slave_cmd_mutex);
return err;
}
@@ -2679,6 +2684,8 @@ void mlx4_cmd_use_polling(struct mlx4_dev *dev)
struct mlx4_priv *priv = mlx4_priv(dev);
int i;
+ if (mlx4_is_mfunc(dev))
+ mutex_lock(&priv->cmd.slave_cmd_mutex);
down_write(&priv->cmd.switch_sem);
priv->cmd.use_events = 0;
@@ -2686,9 +2693,12 @@ void mlx4_cmd_use_polling(struct mlx4_dev *dev)
down(&priv->cmd.event_sem);
kfree(priv->cmd.context);
+ priv->cmd.context = NULL;
up(&priv->cmd.poll_sem);
up_write(&priv->cmd.switch_sem);
+ if (mlx4_is_mfunc(dev))
+ mutex_unlock(&priv->cmd.slave_cmd_mutex);
}
struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index db63f0ec3d01..b120d15c48c2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -2717,13 +2717,13 @@ static int qp_get_mtt_size(struct mlx4_qp_context *qpc)
int total_pages;
int total_mem;
int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f;
+ int tot;
sq_size = 1 << (log_sq_size + log_sq_sride + 4);
rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4));
total_mem = sq_size + rq_size;
- total_pages =
- roundup_pow_of_two((total_mem + (page_offset << 6)) >>
- page_shift);
+ tot = (total_mem + (page_offset << 6)) >> page_shift;
+ total_pages = !tot ? 1 : roundup_pow_of_two(tot);
return total_pages;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 46c2c7d747e5..ca3d4c2dc58b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -1100,7 +1100,7 @@ mpwrq_cqe_out:
int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
{
struct mlx5e_rq *rq = container_of(cq, struct mlx5e_rq, cq);
- struct mlx5e_xdpsq *xdpsq;
+ struct mlx5e_xdpsq *xdpsq = &rq->xdpsq;
struct mlx5_cqe64 *cqe;
int work_done = 0;
@@ -1111,10 +1111,11 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
work_done += mlx5e_decompress_cqes_cont(rq, cq, 0, budget);
cqe = mlx5_cqwq_get_cqe(&cq->wq);
- if (!cqe)
+ if (!cqe) {
+ if (unlikely(work_done))
+ goto out;
return 0;
-
- xdpsq = &rq->xdpsq;
+ }
do {
if (mlx5_get_cqe_format(cqe) == MLX5_COMPRESSED) {
@@ -1129,6 +1130,7 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
rq->handle_rx_cqe(rq, cqe);
} while ((++work_done < budget) && (cqe = mlx5_cqwq_get_cqe(&cq->wq)));
+out:
if (xdpsq->db.doorbell) {
mlx5e_xmit_xdp_doorbell(xdpsq);
xdpsq->db.doorbell = false;
@@ -1265,8 +1267,14 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
skb->protocol = *((__be16 *)(skb->data));
- skb->ip_summed = CHECKSUM_COMPLETE;
- skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
+ if (netdev->features & NETIF_F_RXCSUM) {
+ skb->ip_summed = CHECKSUM_COMPLETE;
+ skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
+ rq->stats.csum_complete++;
+ } else {
+ skb->ip_summed = CHECKSUM_NONE;
+ rq->stats.csum_none++;
+ }
if (unlikely(mlx5e_rx_hw_stamp(tstamp)))
skb_hwtstamps(skb)->hwtstamp =
@@ -1285,7 +1293,6 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
skb->dev = netdev;
- rq->stats.csum_complete++;
rq->stats.packets++;
rq->stats.bytes += cqe_bcnt;
}
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
index 239dfbe8a0a1..c1ffec85817a 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
@@ -756,15 +756,10 @@ wrp_alu64_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,
static int
wrp_alu32_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,
- enum alu_op alu_op, bool skip)
+ enum alu_op alu_op)
{
const struct bpf_insn *insn = &meta->insn;
- if (skip) {
- meta->skip = true;
- return 0;
- }
-
wrp_alu_imm(nfp_prog, insn->dst_reg * 2, alu_op, insn->imm);
wrp_immed(nfp_prog, reg_both(insn->dst_reg * 2 + 1), 0);
@@ -1017,7 +1012,7 @@ static int xor_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
static int xor_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !~meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR);
}
static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1027,7 +1022,7 @@ static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
static int and_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_AND, !~meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_AND);
}
static int or_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1037,7 +1032,7 @@ static int or_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
static int or_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_OR, !meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_OR);
}
static int add_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1047,7 +1042,7 @@ static int add_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
static int add_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_ADD, !meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_ADD);
}
static int sub_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1057,7 +1052,7 @@ static int sub_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
static int sub_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_SUB, !meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_SUB);
}
static int shl_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 9a4ba7789985..551d7c7f5975 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -541,6 +541,7 @@ static void pptp_sock_destruct(struct sock *sk)
pppox_unbind_sock(sk);
}
skb_queue_purge(&sk->sk_receive_queue);
+ dst_release(rcu_dereference_protected(sk->sk_dst_cache, 1));
}
static int pptp_create(struct net *net, struct socket *sock, int kern)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 9a31f6ffef4d..7753b7af677d 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1457,6 +1457,14 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb)
goto drop;
}
+ rcu_read_lock();
+
+ if (unlikely(!(vxlan->dev->flags & IFF_UP))) {
+ rcu_read_unlock();
+ atomic_long_inc(&vxlan->dev->rx_dropped);
+ goto drop;
+ }
+
stats = this_cpu_ptr(vxlan->dev->tstats);
u64_stats_update_begin(&stats->syncp);
stats->rx_packets++;
@@ -1464,6 +1472,9 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb)
u64_stats_update_end(&stats->syncp);
gro_cells_receive(&vxlan->gro_cells, skb);
+
+ rcu_read_unlock();
+
return 0;
drop:
@@ -2440,6 +2451,8 @@ static void vxlan_uninit(struct net_device *dev)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
+ gro_cells_destroy(&vxlan->gro_cells);
+
vxlan_fdb_delete_default(vxlan, vxlan->cfg.vni);
free_percpu(dev->tstats);
@@ -3372,7 +3385,6 @@ static void vxlan_dellink(struct net_device *dev, struct list_head *head)
vxlan_flush(vxlan, true);
- gro_cells_destroy(&vxlan->gro_cells);
list_del(&vxlan->next);
unregister_netdevice_queue(dev, head);
}
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 7afc5eecd6f5..99f50da6a4a2 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -760,7 +760,7 @@ static const guid_t *to_abstraction_guid(enum nvdimm_claim_class claim_class,
static int __pmem_label_update(struct nd_region *nd_region,
struct nd_mapping *nd_mapping, struct nd_namespace_pmem *nspm,
- int pos)
+ int pos, unsigned long flags)
{
struct nd_namespace_common *ndns = &nspm->nsio.common;
struct nd_interleave_set *nd_set = nd_region->nd_set;
@@ -801,7 +801,7 @@ static int __pmem_label_update(struct nd_region *nd_region,
memcpy(nd_label->uuid, nspm->uuid, NSLABEL_UUID_LEN);
if (nspm->alt_name)
memcpy(nd_label->name, nspm->alt_name, NSLABEL_NAME_LEN);
- nd_label->flags = __cpu_to_le32(NSLABEL_FLAG_UPDATING);
+ nd_label->flags = __cpu_to_le32(flags);
nd_label->nlabel = __cpu_to_le16(nd_region->ndr_mappings);
nd_label->position = __cpu_to_le16(pos);
nd_label->isetcookie = __cpu_to_le64(cookie);
@@ -1255,13 +1255,13 @@ static int del_labels(struct nd_mapping *nd_mapping, u8 *uuid)
int nd_pmem_namespace_label_update(struct nd_region *nd_region,
struct nd_namespace_pmem *nspm, resource_size_t size)
{
- int i;
+ int i, rc;
for (i = 0; i < nd_region->ndr_mappings; i++) {
struct nd_mapping *nd_mapping = &nd_region->mapping[i];
struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
struct resource *res;
- int rc, count = 0;
+ int count = 0;
if (size == 0) {
rc = del_labels(nd_mapping, nspm->uuid);
@@ -1279,7 +1279,20 @@ int nd_pmem_namespace_label_update(struct nd_region *nd_region,
if (rc < 0)
return rc;
- rc = __pmem_label_update(nd_region, nd_mapping, nspm, i);
+ rc = __pmem_label_update(nd_region, nd_mapping, nspm, i,
+ NSLABEL_FLAG_UPDATING);
+ if (rc)
+ return rc;
+ }
+
+ if (size == 0)
+ return 0;
+
+ /* Clear the UPDATING flag per UEFI 2.7 expectations */
+ for (i = 0; i < nd_region->ndr_mappings; i++) {
+ struct nd_mapping *nd_mapping = &nd_region->mapping[i];
+
+ rc = __pmem_label_update(nd_region, nd_mapping, nspm, i, 0);
if (rc)
return rc;
}
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index cb0c3a74ba4b..a0003790926a 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -138,6 +138,7 @@ bool nd_is_uuid_unique(struct device *dev, u8 *uuid)
bool pmem_should_map_pages(struct device *dev)
{
struct nd_region *nd_region = to_nd_region(dev->parent);
+ struct nd_namespace_common *ndns = to_ndns(dev);
struct nd_namespace_io *nsio;
if (!IS_ENABLED(CONFIG_ZONE_DEVICE))
@@ -149,6 +150,9 @@ bool pmem_should_map_pages(struct device *dev)
if (is_nd_pfn(dev) || is_nd_btt(dev))
return false;
+ if (ndns->force_raw)
+ return false;
+
nsio = to_nd_namespace_io(dev);
if (region_intersects(nsio->res.start, resource_size(&nsio->res),
IORESOURCE_SYSTEM_RAM,
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 3768f26a1617..82edbb0b8e78 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3291,6 +3291,9 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl)
{
struct nvme_ns *ns, *next;
+ /* prevent racing with ns scanning */
+ flush_work(&ctrl->scan_work);
+
/*
* The dead states indicates the controller was not gracefully
* disconnected. In that case, we won't be able to flush any data while
@@ -3442,7 +3445,6 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl)
nvme_mpath_stop(ctrl);
nvme_stop_keep_alive(ctrl);
flush_work(&ctrl->async_event_work);
- flush_work(&ctrl->scan_work);
cancel_work_sync(&ctrl->fw_act_work);
}
EXPORT_SYMBOL_GPL(nvme_stop_ctrl);
diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c
index 59abdc6a97f6..314b7eceb81c 100644
--- a/drivers/video/fbdev/chipsfb.c
+++ b/drivers/video/fbdev/chipsfb.c
@@ -350,7 +350,7 @@ static void init_chips(struct fb_info *p, unsigned long addr)
static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
{
struct fb_info *p;
- unsigned long addr, size;
+ unsigned long addr;
unsigned short cmd;
int rc = -ENODEV;
@@ -362,7 +362,6 @@ static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
if ((dp->resource[0].flags & IORESOURCE_MEM) == 0)
goto err_disable;
addr = pci_resource_start(dp, 0);
- size = pci_resource_len(dp, 0);
if (addr == 0)
goto err_disable;
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 5a0db6dec8d1..aaee1e6584e6 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -40,6 +40,9 @@
*/
#define P9_LOCK_TIMEOUT (30*HZ)
+/* flags for v9fs_stat2inode() & v9fs_stat2inode_dotl() */
+#define V9FS_STAT2INODE_KEEP_ISIZE 1
+
extern struct file_system_type v9fs_fs_type;
extern const struct address_space_operations v9fs_addr_operations;
extern const struct file_operations v9fs_file_operations;
@@ -61,8 +64,10 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
struct inode *inode, umode_t mode, dev_t);
void v9fs_evict_inode(struct inode *inode);
ino_t v9fs_qid2ino(struct p9_qid *qid);
-void v9fs_stat2inode(struct p9_wstat *, struct inode *, struct super_block *);
-void v9fs_stat2inode_dotl(struct p9_stat_dotl *, struct inode *);
+void v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
+ struct super_block *sb, unsigned int flags);
+void v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
+ unsigned int flags);
int v9fs_dir_release(struct inode *inode, struct file *filp);
int v9fs_file_open(struct inode *inode, struct file *file);
void v9fs_inode2stat(struct inode *inode, struct p9_wstat *stat);
@@ -83,4 +88,18 @@ static inline void v9fs_invalidate_inode_attr(struct inode *inode)
}
int v9fs_open_to_dotl_flags(int flags);
+
+static inline void v9fs_i_size_write(struct inode *inode, loff_t i_size)
+{
+ /*
+ * 32-bit need the lock, concurrent updates could break the
+ * sequences and make i_size_read() loop forever.
+ * 64-bit updates are atomic and can skip the locking.
+ */
+ if (sizeof(i_size) > sizeof(long))
+ spin_lock(&inode->i_lock);
+ i_size_write(inode, i_size);
+ if (sizeof(i_size) > sizeof(long))
+ spin_unlock(&inode->i_lock);
+}
#endif
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 631ef3f5d264..65f2747b3c8e 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -442,7 +442,11 @@ v9fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
i_size = i_size_read(inode);
if (iocb->ki_pos > i_size) {
inode_add_bytes(inode, iocb->ki_pos - i_size);
- i_size_write(inode, iocb->ki_pos);
+ /*
+ * Need to serialize against i_size_write() in
+ * v9fs_stat2inode()
+ */
+ v9fs_i_size_write(inode, iocb->ki_pos);
}
return retval;
}
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index bdabb2765d1b..e88cb25176dc 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -538,7 +538,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb,
if (retval)
goto error;
- v9fs_stat2inode(st, inode, sb);
+ v9fs_stat2inode(st, inode, sb, 0);
v9fs_cache_inode_get_cookie(inode);
unlock_new_inode(inode);
return inode;
@@ -1080,7 +1080,7 @@ v9fs_vfs_getattr(const struct path *path, struct kstat *stat,
if (IS_ERR(st))
return PTR_ERR(st);
- v9fs_stat2inode(st, d_inode(dentry), dentry->d_sb);
+ v9fs_stat2inode(st, d_inode(dentry), dentry->d_sb, 0);
generic_fillattr(d_inode(dentry), stat);
p9stat_free(st);
@@ -1158,12 +1158,13 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
* @stat: Plan 9 metadata (mistat) structure
* @inode: inode to populate
* @sb: superblock of filesystem
+ * @flags: control flags (e.g. V9FS_STAT2INODE_KEEP_ISIZE)
*
*/
void
v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
- struct super_block *sb)
+ struct super_block *sb, unsigned int flags)
{
umode_t mode;
char ext[32];
@@ -1204,10 +1205,11 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
mode = p9mode2perm(v9ses, stat);
mode |= inode->i_mode & ~S_IALLUGO;
inode->i_mode = mode;
- i_size_write(inode, stat->length);
+ if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE))
+ v9fs_i_size_write(inode, stat->length);
/* not real number of blocks, but 512 byte ones ... */
- inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9;
+ inode->i_blocks = (stat->length + 512 - 1) >> 9;
v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR;
}
@@ -1404,9 +1406,9 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
{
int umode;
dev_t rdev;
- loff_t i_size;
struct p9_wstat *st;
struct v9fs_session_info *v9ses;
+ unsigned int flags;
v9ses = v9fs_inode2v9ses(inode);
st = p9_client_stat(fid);
@@ -1419,16 +1421,13 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
if ((inode->i_mode & S_IFMT) != (umode & S_IFMT))
goto out;
- spin_lock(&inode->i_lock);
/*
* We don't want to refresh inode->i_size,
* because we may have cached data
*/
- i_size = inode->i_size;
- v9fs_stat2inode(st, inode, inode->i_sb);
- if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- inode->i_size = i_size;
- spin_unlock(&inode->i_lock);
+ flags = (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) ?
+ V9FS_STAT2INODE_KEEP_ISIZE : 0;
+ v9fs_stat2inode(st, inode, inode->i_sb, flags);
out:
p9stat_free(st);
kfree(st);
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 7f6ae21a27b3..3446ab1f44e7 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -143,7 +143,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb,
if (retval)
goto error;
- v9fs_stat2inode_dotl(st, inode);
+ v9fs_stat2inode_dotl(st, inode, 0);
v9fs_cache_inode_get_cookie(inode);
retval = v9fs_get_acl(inode, fid);
if (retval)
@@ -497,7 +497,7 @@ v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat,
if (IS_ERR(st))
return PTR_ERR(st);
- v9fs_stat2inode_dotl(st, d_inode(dentry));
+ v9fs_stat2inode_dotl(st, d_inode(dentry), 0);
generic_fillattr(d_inode(dentry), stat);
/* Change block size to what the server returned */
stat->blksize = st->st_blksize;
@@ -608,11 +608,13 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
* v9fs_stat2inode_dotl - populate an inode structure with stat info
* @stat: stat structure
* @inode: inode to populate
+ * @flags: ctrl flags (e.g. V9FS_STAT2INODE_KEEP_ISIZE)
*
*/
void
-v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
+v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
+ unsigned int flags)
{
umode_t mode;
struct v9fs_inode *v9inode = V9FS_I(inode);
@@ -632,7 +634,8 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
mode |= inode->i_mode & ~S_IALLUGO;
inode->i_mode = mode;
- i_size_write(inode, stat->st_size);
+ if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE))
+ v9fs_i_size_write(inode, stat->st_size);
inode->i_blocks = stat->st_blocks;
} else {
if (stat->st_result_mask & P9_STATS_ATIME) {
@@ -662,8 +665,9 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
}
if (stat->st_result_mask & P9_STATS_RDEV)
inode->i_rdev = new_decode_dev(stat->st_rdev);
- if (stat->st_result_mask & P9_STATS_SIZE)
- i_size_write(inode, stat->st_size);
+ if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE) &&
+ stat->st_result_mask & P9_STATS_SIZE)
+ v9fs_i_size_write(inode, stat->st_size);
if (stat->st_result_mask & P9_STATS_BLOCKS)
inode->i_blocks = stat->st_blocks;
}
@@ -929,9 +933,9 @@ v9fs_vfs_get_link_dotl(struct dentry *dentry,
int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
{
- loff_t i_size;
struct p9_stat_dotl *st;
struct v9fs_session_info *v9ses;
+ unsigned int flags;
v9ses = v9fs_inode2v9ses(inode);
st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
@@ -943,16 +947,13 @@ int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT))
goto out;
- spin_lock(&inode->i_lock);
/*
* We don't want to refresh inode->i_size,
* because we may have cached data
*/
- i_size = inode->i_size;
- v9fs_stat2inode_dotl(st, inode);
- if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- inode->i_size = i_size;
- spin_unlock(&inode->i_lock);
+ flags = (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) ?
+ V9FS_STAT2INODE_KEEP_ISIZE : 0;
+ v9fs_stat2inode_dotl(st, inode, flags);
out:
kfree(st);
return 0;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index a0965fb587a5..f506ac892bf2 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -174,7 +174,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
goto release_sb;
}
d_inode(root)->i_ino = v9fs_qid2ino(&st->qid);
- v9fs_stat2inode_dotl(st, d_inode(root));
+ v9fs_stat2inode_dotl(st, d_inode(root), 0);
kfree(st);
} else {
struct p9_wstat *st = NULL;
@@ -185,7 +185,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
}
d_inode(root)->i_ino = v9fs_qid2ino(&st->qid);
- v9fs_stat2inode(st, d_inode(root), sb);
+ v9fs_stat2inode(st, d_inode(root), sb, 0);
p9stat_free(st);
kfree(st);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 1e46d50373ae..8699621a904f 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3056,11 +3056,11 @@ static int __do_readpage(struct extent_io_tree *tree,
*/
if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags) &&
prev_em_start && *prev_em_start != (u64)-1 &&
- *prev_em_start != em->orig_start)
+ *prev_em_start != em->start)
force_bio_submit = true;
if (prev_em_start)
- *prev_em_start = em->orig_start;
+ *prev_em_start = em->start;
free_extent_map(em);
em = NULL;
diff --git a/fs/dcache.c b/fs/dcache.c
index 2484614a3dbb..9126557ec9cb 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1173,15 +1173,11 @@ static enum lru_status dentry_lru_isolate_shrink(struct list_head *item,
*/
void shrink_dcache_sb(struct super_block *sb)
{
- long freed;
-
do {
LIST_HEAD(dispose);
- freed = list_lru_walk(&sb->s_dentry_lru,
+ list_lru_walk(&sb->s_dentry_lru,
dentry_lru_isolate_shrink, &dispose, 1024);
-
- this_cpu_sub(nr_dentry_unused, freed);
shrink_dentry_list(&dispose);
} while (list_lru_count(&sb->s_dentry_lru) > 0);
}
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 108df2e3602c..81be3ba17cbf 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -396,6 +396,7 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
s->s_blocksize_bits = 10;
s->s_magic = DEVPTS_SUPER_MAGIC;
s->s_op = &devpts_sops;
+ s->s_d_op = &simple_dentry_operations;
s->s_time_gran = 1;
error = -ENOMEM;
diff --git a/fs/pipe.c b/fs/pipe.c
index 4b8dfb022ac7..51bcae9fbbf4 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -238,6 +238,14 @@ static const struct pipe_buf_operations anon_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};
+static const struct pipe_buf_operations anon_pipe_buf_nomerge_ops = {
+ .can_merge = 0,
+ .confirm = generic_pipe_buf_confirm,
+ .release = anon_pipe_buf_release,
+ .steal = anon_pipe_buf_steal,
+ .get = generic_pipe_buf_get,
+};
+
static const struct pipe_buf_operations packet_pipe_buf_ops = {
.can_merge = 0,
.confirm = generic_pipe_buf_confirm,
@@ -246,6 +254,12 @@ static const struct pipe_buf_operations packet_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};
+void pipe_buf_mark_unmergeable(struct pipe_buffer *buf)
+{
+ if (buf->ops == &anon_pipe_buf_ops)
+ buf->ops = &anon_pipe_buf_nomerge_ops;
+}
+
static ssize_t
pipe_read(struct kiocb *iocb, struct iov_iter *to)
{
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 138041f342aa..619f7a0a09db 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -463,7 +463,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
inode = new_inode(sb);
if (!inode)
- goto out;
+ return ERR_PTR(-ENOMEM);
inode->i_ino = get_next_ino();
@@ -473,8 +473,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (unlikely(head->unregistering)) {
spin_unlock(&sysctl_lock);
iput(inode);
- inode = NULL;
- goto out;
+ return ERR_PTR(-ENOENT);
}
ei->sysctl = head;
ei->sysctl_entry = table;
@@ -499,7 +498,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (root->set_ownership)
root->set_ownership(head, table, &inode->i_uid, &inode->i_gid);
-out:
return inode;
}
@@ -548,10 +546,11 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
- err = ERR_PTR(-ENOMEM);
inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);
- if (!inode)
+ if (IS_ERR(inode)) {
+ err = ERR_CAST(inode);
goto out;
+ }
err = NULL;
d_set_d_op(dentry, &proc_sys_dentry_operations);
@@ -684,7 +683,7 @@ static bool proc_sys_fill_cache(struct file *file,
return false;
if (d_in_lookup(child)) {
inode = proc_sys_make_inode(dir->d_sb, head, table);
- if (!inode) {
+ if (IS_ERR(inode)) {
d_lookup_done(child);
dput(child);
return false;
diff --git a/fs/splice.c b/fs/splice.c
index 76ef9cd3fe2b..f4f3cf2ea73c 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1601,6 +1601,8 @@ retry:
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
+ pipe_buf_mark_unmergeable(obuf);
+
obuf->len = len;
opipe->nrbufs++;
ibuf->offset += obuf->len;
@@ -1675,6 +1677,8 @@ static int link_pipe(struct pipe_inode_info *ipipe,
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
+ pipe_buf_mark_unmergeable(obuf);
+
if (obuf->len > len)
obuf->len = len;
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index e7497c9dde7f..4f7129389855 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -182,6 +182,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
+void pipe_buf_mark_unmergeable(struct pipe_buffer *buf);
extern const struct pipe_buf_operations nosteal_pipe_buf_ops;
diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h
index b724ef7005de..eaa1e762bf06 100644
--- a/include/linux/vmw_vmci_defs.h
+++ b/include/linux/vmw_vmci_defs.h
@@ -45,6 +45,7 @@
#define VMCI_CAPS_GUESTCALL 0x2
#define VMCI_CAPS_DATAGRAM 0x4
#define VMCI_CAPS_NOTIFICATIONS 0x8
+#define VMCI_CAPS_PPN64 0x10
/* Interrupt Cause register bits. */
#define VMCI_ICR_DATAGRAM 0x1
@@ -569,8 +570,10 @@ struct vmci_resource_query_msg {
*/
struct vmci_notify_bm_set_msg {
struct vmci_datagram hdr;
- u32 bitmap_ppn;
- u32 _pad;
+ union {
+ u32 bitmap_ppn32;
+ u64 bitmap_ppn64;
+ };
};
/*
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index d65ff82ef37a..165245e92285 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -451,7 +451,9 @@ static void __mark_reg_not_init(struct bpf_reg_state *reg);
*/
static void __mark_reg_known(struct bpf_reg_state *reg, u64 imm)
{
- reg->id = 0;
+ /* Clear id, off, and union(map_ptr, range) */
+ memset(((u8 *)reg) + sizeof(reg->type), 0,
+ offsetof(struct bpf_reg_state, var_off) - sizeof(reg->type));
reg->var_off = tnum_const(imm);
reg->smin_value = (s64)imm;
reg->smax_value = (s64)imm;
@@ -549,9 +551,12 @@ static void __mark_reg_unbounded(struct bpf_reg_state *reg)
/* Mark a register as having a completely unknown (scalar) value. */
static void __mark_reg_unknown(struct bpf_reg_state *reg)
{
+ /*
+ * Clear type, id, off, and union(map_ptr, range) and
+ * padding between 'type' and union
+ */
+ memset(reg, 0, offsetof(struct bpf_reg_state, var_off));
reg->type = SCALAR_VALUE;
- reg->id = 0;
- reg->off = 0;
reg->var_off = tnum_unknown;
__mark_reg_unbounded(reg);
}
@@ -1229,9 +1234,6 @@ static int check_mem_access(struct bpf_verifier_env *env, int insn_idx, u32 regn
else
mark_reg_known_zero(env, regs,
value_regno);
- regs[value_regno].id = 0;
- regs[value_regno].off = 0;
- regs[value_regno].range = 0;
regs[value_regno].type = reg_type;
}
@@ -1811,7 +1813,6 @@ static int check_call(struct bpf_verifier_env *env, int func_id, int insn_idx)
regs[BPF_REG_0].type = PTR_TO_MAP_VALUE_OR_NULL;
/* There is no offset yet applied, variable or fixed */
mark_reg_known_zero(env, regs, BPF_REG_0);
- regs[BPF_REG_0].off = 0;
/* remember map_ptr, so that check_map_access()
* can check 'value_size' boundary of memory access
* to map element returned from bpf_map_lookup_elem()
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e1845d649507..f73e41da1663 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7455,10 +7455,10 @@ static void update_cfs_rq_h_load(struct cfs_rq *cfs_rq)
if (cfs_rq->last_h_load_update == now)
return;
- cfs_rq->h_load_next = NULL;
+ WRITE_ONCE(cfs_rq->h_load_next, NULL);
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
- cfs_rq->h_load_next = se;
+ WRITE_ONCE(cfs_rq->h_load_next, se);
if (cfs_rq->last_h_load_update == now)
break;
}
@@ -7468,7 +7468,7 @@ static void update_cfs_rq_h_load(struct cfs_rq *cfs_rq)
cfs_rq->last_h_load_update = now;
}
- while ((se = cfs_rq->h_load_next) != NULL) {
+ while ((se = READ_ONCE(cfs_rq->h_load_next)) != NULL) {
load = cfs_rq->h_load;
load = div64_ul(load * se->avg.load_avg,
cfs_rq_load_avg(cfs_rq) + 1);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1e74d2bdd43a..13b3e72eb339 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5403,7 +5403,6 @@ out:
return ret;
fail:
- kfree(iter->trace);
kfree(iter);
__trace_array_put(tr);
mutex_unlock(&trace_types_lock);
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 1c21d0e2a145..bc77f22062ac 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -872,9 +872,10 @@ static inline void add_to_key(char *compound_key, void *key,
/* ensure NULL-termination */
if (size > key_field->size - 1)
size = key_field->size - 1;
- }
- memcpy(compound_key + key_field->offset, key, size);
+ strncpy(compound_key + key_field->offset, (char *)key, size);
+ } else
+ memcpy(compound_key + key_field->offset, key, size);
}
static void event_hist_trigger(struct event_trigger_data *data, void *rec)
diff --git a/net/9p/client.c b/net/9p/client.c
index 012053697e3a..99ce70cc565e 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1057,7 +1057,7 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
p9_debug(P9_DEBUG_ERROR,
"Please specify a msize of at least 4k\n");
err = -EINVAL;
- goto free_client;
+ goto close_trans;
}
err = p9_client_version(clnt);