Re: 2.6.16-rc2-mm1 -- BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg()
From: Stefan Richter
Date: Sat Feb 11 2006 - 03:49:15 EST
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.
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()); \
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