Andrew Morton wrote:
That's a -mm-only warning telling you that get_phy_reg() is doing a
one-millisecond-or-more busywait while local interrupts are disabled.
...
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc2/2.6.16-rc2-mm1/broken-out/debug-warn-if-we-sleep-in-an-irq-for-a-long-time.patch
So that's why when I heard of this issue the first time, it was about
Redhat/ Fedora Core kernels. But even though this issue is very old, no
bug report got through to linux1394-devel until December 2005.
BTW, why not swap the order of expressions:
WARN_ON(!(warned++) && in_irq()); \
--
Stefan Richter
-=====-=-==- --=- -=-==
http://arcgraph.de/sr/
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