mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

mmap locking API: fix missed mmap_sem references in comments 

Commit c1e8d7c6a7 ("mmap locking API: convert mmap_sem comments") missed
replacing some references of mmap_sem by mmap_lock due to misspelling
(mm_sem instead of mmap_sem).

Link: https://lkml.kernel.org/r/20220503113333.214124-1-mail@florommel.de
Signed-off-by: Florian Rommel <mail@florommel.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Florian Rommel 2022-05-09 18:20:53 -07:00 committed by Andrew Morton
parent d949a8155d
commit 5b4494896c
4 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
View File

@ -184,7 +184,7 @@ static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd,
/* read_user_ptr may take the mm->mmap_lock.
* release srbm_mutex to avoid circular dependency between
* srbm_mutex->mm_sem->reservation_ww_class_mutex->srbm_mutex.
* srbm_mutex->mmap_lock->reservation_ww_class_mutex->srbm_mutex.
*/
release_queue(adev);
valid_wptr = read_user_wptr(mm, wptr, wptr_val);

2
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
View File

@ -208,7 +208,7 @@ static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd,
/* read_user_ptr may take the mm->mmap_lock.
* release srbm_mutex to avoid circular dependency between
* srbm_mutex->mm_sem->reservation_ww_class_mutex->srbm_mutex.
* srbm_mutex->mmap_lock->reservation_ww_class_mutex->srbm_mutex.
*/
release_queue(adev);
valid_wptr = read_user_wptr(mm, wptr, wptr_val);

2
drivers/gpu/drm/ttm/ttm_bo_vm.c
View File

@ -110,7 +110,7 @@ static unsigned long ttm_bo_io_mem_pfn(struct ttm_buffer_object *bo,
* @bo: The buffer object
* @vmf: The fault structure handed to the callback
*
* vm callbacks like fault() and *_mkwrite() allow for the mm_sem to be dropped
* vm callbacks like fault() and *_mkwrite() allow for the mmap_lock to be dropped
* during long waits, and after the wait the callback will be restarted. This
* is to allow other threads using the same virtual memory space concurrent
* access to map(), unmap() completely unrelated buffer objects. TTM buffer

4
mm/mmap.c
View File

@ -1285,7 +1285,7 @@ static int anon_vma_compatible(struct vm_area_struct *a, struct vm_area_struct *
* the same as 'old', the other will be the new one that is trying
* to share the anon_vma.
*
* NOTE! This runs with mm_sem held for reading, so it is possible that
* NOTE! This runs with mmap_lock held for reading, so it is possible that
* the anon_vma of 'old' is concurrently in the process of being set up
* by another page fault trying to merge _that_. But that's ok: if it
* is being set up, that automatically means that it will be a singleton
@ -1299,7 +1299,7 @@ static int anon_vma_compatible(struct vm_area_struct *a, struct vm_area_struct *
*
* We also make sure that the two vma's are compatible (adjacent,
* and with the same memory policies). That's all stable, even with just
* a read lock on the mm_sem.
* a read lock on the mmap_lock.
*/
static struct anon_vma *reusable_anon_vma(struct vm_area_struct *old, struct vm_area_struct *a, struct vm_area_struct *b)
{