On Wed, 8 Jul 2015 13:53:00 + (UTC)
Zbigniew Bodek z...@freebsd.org wrote:
Author: zbb
Date: Wed Jul 8 13:52:59 2015
New Revision: 285270
URL: https://svnweb.freebsd.org/changeset/base/285270
Log:
Add memory barrier to bus_dmamap_sync()
On platforms which are fully
Author: zbb
Date: Wed Jul 8 13:52:59 2015
New Revision: 285270
URL: https://svnweb.freebsd.org/changeset/base/285270
Log:
Add memory barrier to bus_dmamap_sync()
On platforms which are fully IO-coherent, the map might be null.
We need to guarantee that all data is observable after the
Why is this implemented in sys/sys/bus_dma.h, rather than in a machdep header?
-a
On 8 July 2015 at 06:53, Zbigniew Bodek z...@freebsd.org wrote:
Author: zbb
Date: Wed Jul 8 13:52:59 2015
New Revision: 285270
URL: https://svnweb.freebsd.org/changeset/base/285270
Log:
Add memory
Because machdep header includes this file (not the other way).
Best regards
zbb
2015-07-08 16:30 GMT+02:00 Adrian Chadd adrian.ch...@gmail.com:
Why is this implemented in sys/sys/bus_dma.h, rather than in a machdep header?
-a
On 8 July 2015 at 06:53, Zbigniew Bodek z...@freebsd.org wrote:
On Wed, 2015-07-08 at 07:30 -0700, Adrian Chadd wrote:
Why is this implemented in sys/sys/bus_dma.h, rather than in a machdep header?
Indeed, this stuff is a mess that really needs to be cleaned up. The
pre-existing assumption that MI functions don't need to be called, just
because one of
On 8 July 2015 at 07:42, Ian Lepore i...@freebsd.org wrote:
On Wed, 2015-07-08 at 07:30 -0700, Adrian Chadd wrote:
Why is this implemented in sys/sys/bus_dma.h, rather than in a machdep
header?
Indeed, this stuff is a mess that really needs to be cleaned up. The
pre-existing assumption
+2
This has always bugged me. I'll do it if no one else gets to it first. If
the new pmap KPI makes it in, I'll be messing with a bunch of the MD busdma
code anyway.
On Wed, Jul 8, 2015 at 9:47 AM, Adrian Chadd adrian.ch...@gmail.com wrote:
On 8 July 2015 at 07:42, Ian Lepore
Hello,
You are absolutely right. Especially semicolons... I must have missed
this somehow.
Thanks. Fixed in r285293.
Best regards
zbb
2015-07-08 21:47 GMT+02:00 John-Mark Gurney j...@funkthat.com:
Zbigniew Bodek wrote this message on Wed, Jul 08, 2015 at 13:53 +:
+#if defined(__arm__)
+
Zbigniew Bodek wrote this message on Wed, Jul 08, 2015 at 13:53 +:
+#if defined(__arm__)
+ #define __BUS_DMAMAP_SYNC_DEFAULT mb();
+#elif defined(__aarch64__)
+ #define __BUS_DMAMAP_SYNC_DEFAULT dmb(sy);
These shouldn't have ; after them...
+#else
+
