[lkml]   [2006]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [rfc PATCH] ieee1394: ohci1394: delete bogus spinlock, flush MMIO writes
On Tue, 28 Nov 2006 22:24:11 +0100 (CET)
Stefan Richter <> wrote:

> All MMIO writes which were surrounded by the spinlock as well as the
> very last MMIO write of the IRQ handler are now explicitly flushed by
> MMIO reads of the respective register.

MMIO is ordered anyway on the bus, you just need mmiowb() to force
ordering to the bus controller in case you are on a big numa box.
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: 2006-11-28 22:53    [W:0.050 / U:3.792 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site