Messages in this thread | | | Subject | Re: [PATCH] Fix typo in pmac_zilog | From | Benjamin Herrenschmidt <> | Date | Mon, 31 May 2004 10:30:59 +1000 |
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On Mon, 2004-05-31 at 10:32, David S. Miller wrote: > On Sun, 30 May 2004 17:13:38 +1000 > Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote: > > > There is a deadlock issue. I triggered once when I had a bug where the > > driver was flooding the input with zero's. All serial drivers seem to be > > affected. Apparently, tty_flip_* may call back into your write() routine > > Yes indeed, one code path is: > > .../...
Yup, another one is when echo is enabled, you may call back into write.
> It seems lots of serial drivers have this bug, even 8250.c :-)
Yes, I told Russell about it.
> I'll fix up the Sparc drivers meanwhile. -- Benjamin Herrenschmidt <benh@kernel.crashing.org>
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