[lkml]   [2007]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] LinuxPPS - definitive version
On Tue, 2007-07-24 at 16:20 +0200, Rodolfo Giometti wrote:
> The problem is that we can have several PPS sources into a system and
> all these sources will arise their IRQ line (quasi)simultaneously and
> I don't wish a CPU may delay one of these IRQ handler due a spinlock
> into the pps_event().
> That's why I'm trying to avoid any lock into pps_event().

The spinlock really wouldn't be held for long. It really shouldn't be a
problem, and it shouldn't hold up your timings at all. And presumably
you'd have a _different_ spinlock for each source, so they wouldn't
stomp on each other at all.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-07-24 16:49    [W:0.087 / U:0.168 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site