Re: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware

Russell King
2001-01-13T12:44:36Z

Andrew Morton writes:
> Linus Torvalds wrote:
> > I'm also nervous about the complete lack of locking in vortex_timer():
> > disabling interrupts doesn't mean that transmits couldn't be
> > pending. But maybe the hardware is ok with changing status concurrently.
>
> disable_irq() is very useful in functions such as this. It
> would be a shame to have to stop using it.

Doesn't the NCR53C9x SCSI drivers use disable_irq() a lot? Do they have
any problems?
_____
|_____| ------------------------------------------------- ---+---+-
| | Russell King rmk@arm.linux.org.uk --- ---
| | | | http://www.arm.linux.org.uk/personal/aboutme.html / / |
| +-+-+ --- -+-
/ | THE developer of ARM Linux |+| /|\
/ | | | --- |
+-+-+ ------------------------------------------------- /\\\ |