Re: videobuf2 user pointer vma release seqeuence

2011-08-30 Thread Tang, Yu
Marek, Thanks for the quick response and confirmation! Will submit the patch tomorrow. Regards, Yu Tang -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at

RE: videobuf2 user pointer vma release seqeuence

2011-08-30 Thread Marek Szyprowski
Hello, On Tuesday, August 30, 2011 5:38 PM Tang, Yu wrote: Marek, Thanks for the quick response and confirmation! Will submit the patch tomorrow. I've already extracted it from your mail. It is available on my vb2 fixes branch which I want to send for merging soon:

RE: videobuf2 user pointer vma release seqeuence

2011-08-29 Thread Marek Szyprowski
Hello, On Tuesday, August 30, 2011 3:50 AM Tang, Yu wrote: As we are trying to adapt to videobuf2, we found here is the potential issue with user pointer VMA release sequence. It is not aligned with munmap syscalls behavior, (mm/mmap, remove_vma). In the current vb2_put_vma