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author | Takashi Iwai <tiwai@suse.de> | 2016-11-04 21:04:44 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2016-11-04 21:04:44 +0100 |
commit | f8f93bc9d2a29c81cc6a4e6d7c87a6f712dbbeeb (patch) | |
tree | 7e07960f43f7a6c985f75ee5b629121e9799bfdb /mm/memory.c | |
parent | bdc3478f90cd4d2928197f36629d5cf93b64dbe9 (diff) | |
parent | 0b203d699e08424288b5f3eab1347143dd5d1e68 (diff) | |
download | talos-op-linux-f8f93bc9d2a29c81cc6a4e6d7c87a6f712dbbeeb.tar.gz talos-op-linux-f8f93bc9d2a29c81cc6a4e6d7c87a6f712dbbeeb.zip |
Merge tag 'asoc-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.9
The most important fix in here is a change which removes the #error
making the topology API unusable as-is since we have recently discovered
some production uses on Chromebooks so need to acknowledge that what
we've got there now is an ABI.
There's also a very big batch of driver specific fixes here which have
kept on being delayed due to more arriving so the update is another of
these bigger than I would like ones. There is one especially big one in
there, for the Qualcomm code which fixes simultaneous playback and
capture which was broken during the merge window. The diff for that is
large because it moves blocks of code to different functions but it's
functionally fairly simple and if it breaks it should have been very
obvious in testing.
Diffstat (limited to 'mm/memory.c')
-rw-r--r-- | mm/memory.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c index fc1987dfd8cc..e18c57bdc75c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3869,10 +3869,11 @@ EXPORT_SYMBOL_GPL(generic_access_phys); * given task for page fault accounting. */ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - unsigned long addr, void *buf, int len, int write) + unsigned long addr, void *buf, int len, unsigned int gup_flags) { struct vm_area_struct *vma; void *old_buf = buf; + int write = gup_flags & FOLL_WRITE; down_read(&mm->mmap_sem); /* ignore errors, just check how much was successfully transferred */ @@ -3882,7 +3883,7 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, struct page *page = NULL; ret = get_user_pages_remote(tsk, mm, addr, 1, - write, 1, &page, &vma); + gup_flags, &page, &vma); if (ret <= 0) { #ifndef CONFIG_HAVE_IOREMAP_PROT break; @@ -3934,14 +3935,14 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, * @addr: start address to access * @buf: source or destination buffer * @len: number of bytes to transfer - * @write: whether the access is a write + * @gup_flags: flags modifying lookup behaviour * * The caller must hold a reference on @mm. */ int access_remote_vm(struct mm_struct *mm, unsigned long addr, - void *buf, int len, int write) + void *buf, int len, unsigned int gup_flags) { - return __access_remote_vm(NULL, mm, addr, buf, len, write); + return __access_remote_vm(NULL, mm, addr, buf, len, gup_flags); } /* @@ -3950,7 +3951,7 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr, * Do not walk the page table directly, use get_user_pages */ int access_process_vm(struct task_struct *tsk, unsigned long addr, - void *buf, int len, int write) + void *buf, int len, unsigned int gup_flags) { struct mm_struct *mm; int ret; @@ -3959,7 +3960,8 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, if (!mm) return 0; - ret = __access_remote_vm(tsk, mm, addr, buf, len, write); + ret = __access_remote_vm(tsk, mm, addr, buf, len, gup_flags); + mmput(mm); return ret; |