Re: [PATCH] Adding ctrl-o sysrq hack support to 8250 driver

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On Fri, Dec 09, 2005 at 03:05:59PM +0100, Olaf Hering wrote:
> 
> If you can queue this up in -mm for a decade or two, just to make sure
> it doesnt make some setup unhappy.
> 
> 
> a POWER4 system in 'full-system-partition' mode has the console device
> on ttyS0. But the user interface to the Linux system console may still
> be on the hardware management console (HMC). If this is the case, there
> is no way to send a break to trigger a sysrq.
> Other setups do already use 'ctrl o' to trigger sysrq. This includes iSeries
> virtual console on tty1, and pSeries LPAR console on hvc0 or hvsi0.
> 
> 'ctrl o' is currently mapped to 'flush output', see 'stty -a'

I still strongly disagree with the idea of using a well defined
control character which already has an expected purpose for this.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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