summaryrefslogtreecommitdiff
path: root/drivers/misc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/cxl/cxllib.c4
-rw-r--r--drivers/misc/habanalabs/Kconfig1
-rw-r--r--drivers/misc/habanalabs/common/habanalabs.h6
-rw-r--r--drivers/misc/habanalabs/common/memory.c52
-rw-r--r--drivers/misc/lkdtm/Makefile1
-rw-r--r--drivers/misc/mei/hdcp/mei_hdcp.c3
6 files changed, 26 insertions, 41 deletions
diff --git a/drivers/misc/cxl/cxllib.c b/drivers/misc/cxl/cxllib.c
index 2a1783f32254..53b919856426 100644
--- a/drivers/misc/cxl/cxllib.c
+++ b/drivers/misc/cxl/cxllib.c
@@ -170,8 +170,6 @@ int cxllib_get_PE_attributes(struct task_struct *task,
unsigned long translation_mode,
struct cxllib_pe_attributes *attr)
{
- struct mm_struct *mm = NULL;
-
if (translation_mode != CXL_TRANSLATED_MODE &&
translation_mode != CXL_REAL_MODE)
return -EINVAL;
@@ -182,7 +180,7 @@ int cxllib_get_PE_attributes(struct task_struct *task,
true);
attr->lpid = mfspr(SPRN_LPID);
if (task) {
- mm = get_task_mm(task);
+ struct mm_struct *mm = get_task_mm(task);
if (mm == NULL)
return -EINVAL;
/*
diff --git a/drivers/misc/habanalabs/Kconfig b/drivers/misc/habanalabs/Kconfig
index 1640340d3e62..293d79811372 100644
--- a/drivers/misc/habanalabs/Kconfig
+++ b/drivers/misc/habanalabs/Kconfig
@@ -6,7 +6,6 @@
config HABANA_AI
tristate "HabanaAI accelerators (habanalabs)"
depends on PCI && HAS_IOMEM
- select FRAME_VECTOR
select GENERIC_ALLOCATOR
select HWMON
help
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h
index dc9f5a83dfc9..d933878b24d1 100644
--- a/drivers/misc/habanalabs/common/habanalabs.h
+++ b/drivers/misc/habanalabs/common/habanalabs.h
@@ -1145,7 +1145,8 @@ struct hl_ctx_mgr {
* struct hl_userptr - memory mapping chunk information
* @vm_type: type of the VM.
* @job_node: linked-list node for hanging the object on the Job's list.
- * @vec: pointer to the frame vector.
+ * @pages: pointer to struct page array
+ * @npages: size of @pages array
* @sgt: pointer to the scatter-gather table that holds the pages.
* @dir: for DMA unmapping, the direction must be supplied, so save it.
* @debugfs_list: node in debugfs list of command submissions.
@@ -1156,7 +1157,8 @@ struct hl_ctx_mgr {
struct hl_userptr {
enum vm_type_t vm_type; /* must be first */
struct list_head job_node;
- struct frame_vector *vec;
+ struct page **pages;
+ unsigned int npages;
struct sg_table *sgt;
enum dma_data_direction dir;
struct list_head debugfs_list;
diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c
index 7cadf75ebb81..1f5910517b0e 100644
--- a/drivers/misc/habanalabs/common/memory.c
+++ b/drivers/misc/habanalabs/common/memory.c
@@ -1552,45 +1552,40 @@ static int get_user_memory(struct hl_device *hdev, u64 addr, u64 size,
return -EFAULT;
}
- userptr->vec = frame_vector_create(npages);
- if (!userptr->vec) {
- dev_err(hdev->dev, "Failed to create frame vector\n");
+ userptr->pages = kvmalloc_array(npages, sizeof(*userptr->pages),
+ GFP_KERNEL);
+ if (!userptr->pages)
return -ENOMEM;
- }
- rc = get_vaddr_frames(start, npages, FOLL_FORCE | FOLL_WRITE,
- userptr->vec);
+ rc = pin_user_pages_fast(start, npages,
+ FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM,
+ userptr->pages);
if (rc != npages) {
dev_err(hdev->dev,
"Failed to map host memory, user ptr probably wrong\n");
if (rc < 0)
- goto destroy_framevec;
- rc = -EFAULT;
- goto put_framevec;
- }
-
- if (frame_vector_to_pages(userptr->vec) < 0) {
- dev_err(hdev->dev,
- "Failed to translate frame vector to pages\n");
+ goto destroy_pages;
+ npages = rc;
rc = -EFAULT;
- goto put_framevec;
+ goto put_pages;
}
+ userptr->npages = npages;
rc = sg_alloc_table_from_pages(userptr->sgt,
- frame_vector_pages(userptr->vec),
- npages, offset, size, GFP_ATOMIC);
+ userptr->pages,
+ npages, offset, size, GFP_ATOMIC);
if (rc < 0) {
dev_err(hdev->dev, "failed to create SG table from pages\n");
- goto put_framevec;
+ goto put_pages;
}
return 0;
-put_framevec:
- put_vaddr_frames(userptr->vec);
-destroy_framevec:
- frame_vector_destroy(userptr->vec);
+put_pages:
+ unpin_user_pages(userptr->pages, npages);
+destroy_pages:
+ kvfree(userptr->pages);
return rc;
}
@@ -1676,8 +1671,6 @@ free_sgt:
*/
void hl_unpin_host_memory(struct hl_device *hdev, struct hl_userptr *userptr)
{
- struct page **pages;
-
hl_debugfs_remove_userptr(hdev, userptr);
if (userptr->dma_mapped)
@@ -1685,15 +1678,8 @@ void hl_unpin_host_memory(struct hl_device *hdev, struct hl_userptr *userptr)
userptr->sgt->nents,
userptr->dir);
- pages = frame_vector_pages(userptr->vec);
- if (!IS_ERR(pages)) {
- int i;
-
- for (i = 0; i < frame_vector_count(userptr->vec); i++)
- set_page_dirty_lock(pages[i]);
- }
- put_vaddr_frames(userptr->vec);
- frame_vector_destroy(userptr->vec);
+ unpin_user_pages_dirty_lock(userptr->pages, userptr->npages, true);
+ kvfree(userptr->pages);
list_del(&userptr->job_node);
diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile
index 6b888d04392d..aa12097668d3 100644
--- a/drivers/misc/lkdtm/Makefile
+++ b/drivers/misc/lkdtm/Makefile
@@ -16,6 +16,7 @@ lkdtm-$(CONFIG_PPC_BOOK3S_64) += powerpc.o
KASAN_SANITIZE_rodata.o := n
KASAN_SANITIZE_stackleak.o := n
KCOV_INSTRUMENT_rodata.o := n
+CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO)
OBJCOPYFLAGS :=
OBJCOPYFLAGS_rodata_objcopy.o := \
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index 8447ad4b7d47..ec2a4fce8581 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -569,8 +569,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
verify_mprime_in->header.api_version = HDCP_API_VERSION;
verify_mprime_in->header.command_id = WIRED_REPEATER_AUTH_STREAM_REQ;
verify_mprime_in->header.status = ME_HDCP_STATUS_SUCCESS;
- verify_mprime_in->header.buffer_len =
- WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN;
+ verify_mprime_in->header.buffer_len = cmd_size - sizeof(verify_mprime_in->header);
verify_mprime_in->port.integrated_port_type = data->port_type;
verify_mprime_in->port.physical_port = (u8)data->fw_ddi;