[cairo-bugs] [Bug 90303] ATOMIC_OP_NEEDS_MEMORY_BARRIER doesn't play well with ThreadSanitizer

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon May 4 11:19:39 PDT 2015


--- Comment #7 from Nathan Froyd <froydnj at gmail.com> ---
(In reply to Chris Wilson from comment #5)
> Looks good to me. Something that is missing in that file is that we really
> should do
> #elif /* blah */
> #endif

I could do that as a followup patch.  Where do standalone patches like that get
sent?  A bug in bugzilla, or straight to the mailing list?

(In reply to Behdad Esfahbod from comment #6)
> Would you also be able to take a look at improving HarfBuzz (and fontconfig,
> which copied the atomic ops from HarfBuzz; but I can do that part myself):
>   https://bugs.freedesktop.org/show_bug.cgi?id=90305

Sure, I could look at that.  I haven't seen any HarfBuzz bits come up when
running Firefox through TSan, but it's entirely possible that we only use
HarfBuzz on a single thread.

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