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SubjectRe: 2.6.16-rc2-mm1 -- BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg()
Andrew Morton wrote:
> Miles Lane <> wrote:
>>BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg()
> 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.

Same with set_phy_reg, ohci_soft_reset, ohci_hw_csr_reg. At least the
callers of ohci_hw_csr_reg (in particular, csr_highlevel.host_reset,
furthermore csr_highlevel.add_host) could fairly easily be converted to
a workqueue job or perhaps moved to the nodemgr thread. I have not
checked the other offending functions yet.
Stefan Richter
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