diff options
| author | Tomer Tayar <ttayar@habana.ai> | 2022-08-03 16:36:02 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2022-09-18 13:29:51 +0300 |
| commit | 65d3c635137e24625740801dc21d885f66193299 (patch) | |
| tree | efa4088b2ac8f79393399c5ba756bfc8102fe53b /drivers/misc/habanalabs/common/debugfs.c | |
| parent | 07ecaa0d85decb73a2907a4b419cfa7739517d5e (diff) | |
habanalabs: fix H/W block handling for partial unmappings
Several munmap() calls can be done or a mapped H/W block that has a
larger size than a page size.
Releasing the object should be done only when all mapped range is
unmapped.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/debugfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/debugfs.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c index 69fd3ed7680a..48d3ec8b5c82 100644 --- a/drivers/misc/habanalabs/common/debugfs.c +++ b/drivers/misc/habanalabs/common/debugfs.c @@ -291,14 +291,16 @@ static int vm_show(struct seq_file *s, void *data) if (ctx->asid != HL_KERNEL_ASID_ID && !list_empty(&ctx->hw_block_mem_list)) { seq_puts(s, "\nhw_block mappings:\n\n"); - seq_puts(s, " virtual address size HW block id\n"); - seq_puts(s, "-------------------------------------------\n"); + seq_puts(s, + " virtual address block size mapped size HW block id\n"); + seq_puts(s, + "---------------------------------------------------------------\n"); mutex_lock(&ctx->hw_block_list_lock); - list_for_each_entry(lnode, &ctx->hw_block_mem_list, - node) { + list_for_each_entry(lnode, &ctx->hw_block_mem_list, node) { seq_printf(s, - " 0x%-14lx %-6u %-9u\n", - lnode->vaddr, lnode->size, lnode->id); + " 0x%-14lx %-6u %-6u %-9u\n", + lnode->vaddr, lnode->block_size, lnode->mapped_size, + lnode->id); } mutex_unlock(&ctx->hw_block_list_lock); } |