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habanalabs: change CB's ID to be 64 bits 

Although the possible values for CB's ID are only 32 bits, there are a few
places in the code where this field is shifted and passed into a function
which expects 64 bits.

Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Oded Gabbay 2020-08-12 10:11:20 +03:00
parent d6b045c083
commit f5b9c8cf25
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/misc/habanalabs/common/command_buffer.c
View File

@ -174,7 +174,7 @@ int hl_cb_create(struct hl_device *hdev, struct hl_cb_mgr *mgr,
goto release_cb;
}
cb->id = rc;
cb->id = (u64) rc;
kref_init(&cb->refcount);
spin_lock_init(&cb->lock);

2
drivers/misc/habanalabs/common/debugfs.c
View File

@ -110,7 +110,7 @@ static int command_buffers_show(struct seq_file *s, void *data)
seq_puts(s, "---------------------------------------------------------------\n");
}
seq_printf(s,
" %03d %d 0x%08x %d %d %d\n",
" %03llu %d 0x%08x %d %d %d\n",
cb->id, cb->ctx_id, cb->size,
kref_read(&cb->refcount),
cb->mmap, cb->cs_cnt);

4
drivers/misc/habanalabs/common/habanalabs.h
View File

@ -401,11 +401,11 @@ struct hl_cb_mgr {
* @lock: spinlock to protect mmap/cs flows.
* @debugfs_list: node in debugfs list of command buffers.
* @pool_list: node in pool list of command buffers.
* @id: the CB's ID.
* @kernel_address: Holds the CB's kernel virtual address.
* @bus_address: Holds the CB's DMA address.
* @mmap_size: Holds the CB's size that was mmaped.
* @size: holds the CB's size.
* @id: the CB's ID.
* @cs_cnt: holds number of CS that this CB participates in.
* @ctx_id: holds the ID of the owner's context.
* @mmap: true if the CB is currently mmaped to user.
@ -418,11 +418,11 @@ struct hl_cb {
spinlock_t lock;
struct list_head debugfs_list;
struct list_head pool_list;
u64 id;
u64 kernel_address;
dma_addr_t bus_address;
u32 mmap_size;
u32 size;
u32 id;
u32 cs_cnt;
u32 ctx_id;
u8 mmap;