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Re: [gpsd-dev] Linux kernel bug in 3:12, low_latency on serial ports is


From: Hal Murray
Subject: Re: [gpsd-dev] Linux kernel bug in 3:12, low_latency on serial ports is broken
Date: Thu, 20 Feb 2014 04:26:38 -0800

I'm not familiar with the serial code in the kernal.

I'm setting low_latency with a setserial command from rc.local

I just took a quick scan through the gpsd sources and didn't see where it 
uses ASYNC_LOW_LATENCY

There is a discussion going on on several of the kernel lists.  The kernel 
wizards seem to agree by inspecting the code in tty_flip_buffer_push that the 
low_latency path is broken.

-- 
These are my opinions.  I hate spam.






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