On 12/20/2012 10:46 AM, Hans Petter Selasky wrote:
Hi,
I've run some basic tests over here (x86) which passed after some patch
modifications. Please test and verify for your ARM targets:
http://svnweb.freebsd.org/changeset/base/244500
http://svnweb.freebsd.org/changeset/base/244503
Please also
Hi,
I've run some basic tests over here (x86) which passed after some patch
modifications. Please test and verify for your ARM targets:
http://svnweb.freebsd.org/changeset/base/244500
http://svnweb.freebsd.org/changeset/base/244503
Please also verify that upgt and uwrt and uath still works like
Hi,
Please try the attached patch for 10-current. The patch is not tested yet,
only compiles. I will try to test more later today. Let me know if you see any
issues.
--HPS
=== dev/usb/serial/usb_serial.c
==
--- dev/usb/serial/usb_s
On Wednesday 19 December 2012 20:12:55 Warner Losh wrote:
> On Dec 19, 2012, at 1:56 AM, Hans Petter Selasky wrote:
> > Hi again,
> >
> > Different vendors use different naming conventions about sync operations.
>
> The different names are often for subtly different types of cache flushing.
>
>
BTW:
This commit looks exactly like my X-mas present :-)
http://svnweb.freebsd.org/changeset/base/244471
--HPS
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On Dec 19, 2012, at 1:56 AM, Hans Petter Selasky wrote:
> Hi again,
>
> Different vendors use different naming conventions about sync operations.
The different names are often for subtly different types of cache flushing.
> Maybe we should start defining some names and agree about that first?
On Dec 19, 2012, at 1:26 AM, Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 21:32:46 Warner Losh wrote:
>> On Dec 18, 2012, at 12:44 PM, Hans Petter Selasky wrote:
>>> On Tuesday 18 December 2012 20:12:29 Andrew Turner wrote:
On Tue, 18 Dec 2012 13:06:44 +0100
Hans Pette
Hi again,
Different vendors use different naming conventions about sync operations.
Maybe we should start defining some names and agree about that first?
usb_pc_cpu_flush:
This function is a system abstraction which is supposed to ensure that all CPU
cached data for the given buffer is written
On Tuesday 18 December 2012 21:32:46 Warner Losh wrote:
> On Dec 18, 2012, at 12:44 PM, Hans Petter Selasky wrote:
> > On Tuesday 18 December 2012 20:12:29 Andrew Turner wrote:
> >> On Tue, 18 Dec 2012 13:06:44 +0100
> >>
> >> Hans Petter Selasky wrote:
> >>> Hi Andrew,
> >>>
> The BUS_DMA_
On Dec 18, 2012, at 12:44 PM, Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 20:12:29 Andrew Turner wrote:
>> On Tue, 18 Dec 2012 13:06:44 +0100
>>
>> Hans Petter Selasky wrote:
>>> Hi Andrew,
>>>
The BUS_DMA_COHERENT flag does nothing on armv6 as we need the cache
enabled
On Dec 18, 2012, at 1:22 AM, Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
>> Hello,
>>
>> Oleksandr and myself have been looking into why when we enable the
>> write-back cache on the PandaBoard there are kernel panics with USB. We
>> have tracked it dow
On Tuesday 18 December 2012 20:12:29 Andrew Turner wrote:
> On Tue, 18 Dec 2012 13:06:44 +0100
>
> Hans Petter Selasky wrote:
> > Hi Andrew,
> >
> > > The BUS_DMA_COHERENT flag does nothing on armv6 as we need the cache
> > > enabled for atomic operations to work correctly and we would have to
>
On Tue, 18 Dec 2012 13:06:44 +0100
Hans Petter Selasky wrote:
> Hi Andrew,
>
> > The BUS_DMA_COHERENT flag does nothing on armv6 as we need the cache
> > enabled for atomic operations to work correctly and we would have to
> > disable the cache on the entire page. This is acceptable behaviour
> >
On Tuesday 18 December 2012 12:02:13 Andrew Turner wrote:
> On Tue, 18 Dec 2012 09:22:22 +0100
>
> Hans Petter Selasky wrote:
> > On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
> > > Hello,
> > >
> > > Oleksandr and myself have been looking into why when we enable the
> > > write-back
On Tue, 18 Dec 2012 09:22:22 +0100
Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
> > Hello,
> >
> > Oleksandr and myself have been looking into why when we enable the
> > write-back cache on the PandaBoard there are kernel panics with
> > USB. We have tra
On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
> Hello,
>
> Oleksandr and myself have been looking into why when we enable the
> write-back cache on the PandaBoard there are kernel panics with USB. We
> have tracked it down to an issue appending the ehci_qh_t to the list at
> the end of
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