On Sat, 2007-12-08 at 14:17 -0400, Kevin Winchester wrote:
> Daniel Walker wrote:
> > On Thu, 2007-12-06 at 21:29 -0400, Kevin Winchester wrote:
> >> Daniel Walker wrote:
> >>> I've posted all the ones I've done so far ..
> >>>
> >>> ftp://source.mvista.com/pub/dwalker/sem2mutex-2.6.24-rc4/
> >>>
> >>> Feel free to review or test them.. I've found it pretty easy to simply
> >>> grep for certain class of semaphore usage, check if it's conforming to
> >>> the mutex requirements, then convert it or not.. Checking them is
> >>> getting to be a habit, so I don't think a list would help me.. However,
> >>> someone else might be able to use it..
> >>>
> >> Thanks, that helps me not duplicate anything. One of the first ones I
> >> was looking at (before your post) was viotape.c, which is in your patch
> >> set. However, looking at the uses of the semaphore, I see that on line
> >> 409-410 the following code:
> >>
> >> if (noblock)
> >> return count;
> >>
> >> which seems to ignore the fact that the semaphore has been downed (not
> >> to mention the dma buffer and op struct allocations. I think it should be:
> >>
> >> if (noblock)
> >> ret = count;
> >> goto free_dma;
> >>
> >> instead. Do you want to make sure I'm right about that and fold it into
> >> your patch? Or have you already submitted your patch (or should it be
> >> in a separate patch? Alternatively, I can submit the patch if you don't
> >> want to bother with it.
> >
> > viotape was one of the first I started converting, but later I noticed
> > the same thing you found above. I have it commented out of my series for
> > that reason ..
> >
> > I think this noblock path is actually doing what the author intended..
> > There are a few stray up() calls related to event handling and ioctls ,
> > and I think those are used to release the semaphore..
> >
> > Daniel
> >
> >
>
> Yes, you are right, I hadn't finished looking at all of the up() calls
> when I came to my conclusion. I will try to convert a few that are not
> on your list, but I would like to know how you are generating your
> patches into those files with the diffstat and recipient list. Is that
> a feature of some git command?
Git may have a similar feature, but I'm using a tool call Quilt. It's
used for managing a list of patches, and it can automatically add a
diffstat to the patch header (part of the quilt refresh command). I also
use it for emailing a list of patches.
Daniel
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