Messages in this thread | | | Date | Mon, 15 Jul 2002 04:01:35 -0700 | From | William Lee Irwin III <> | Subject | Re: Serial: updated serial drivers |
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On Sun, Jul 07, 2002 at 01:00:09AM +0100, Russell King wrote: >> I've been maintaining a serial driver "off the side" of the ARM port >> which cleans up the serial driver mess that we currently have, with >> many duplications of serial.c, each with subtle bugs.
On Mon, Jul 15, 2002 at 03:03:10AM -0700, William Lee Irwin III wrote: > global_cli() overhead on my testbox is a significant problem. > Profile info from tbench 1024 with ttyS0 as stdout, taken on a 16 cpu > i386 box with 16GB of RAM and irqbalance disabled, (needed to boot):
the profiling results were for a kernel without the new serial stuff. The new serial stuff appears to need some arch compatibility auditing/ fixes for NUMA-Q.
Cheers, Bill - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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