On 19 January 2015 at 21:03, Thomas Hellstrom <thellstrom at vmware.com> wrote: > Fixes a case where we call vmw_fifo_idle() from within a wait function with > task state !TASK_RUNNING, which is illegal. > > In addition, make the locking fine-grained, so that it is performed once > for every read- and write operation. This is of course more costly, but we > don't perform much register access in the timing critical paths anyway. > Instead > we have the extra benefit of being sure that we don't forget the hw lock > around > register accesses. I think currently the kms code was quite buggy w r t this.
So what is your feeling on this for -fixes? Dave.
