.org
> Subject: Re: Issue with file transfers to a mass storage device on SMP
> system
>
> On Tue, Jul 27, 2010 at 07:59:17PM +0530, Shilimkar, Santosh wrote:
> > Once it's pushed out of L2X WB, it will hit the memory. Just to give an
> additional data point, with CATC analy
On Tue, Jul 27, 2010 at 07:59:17PM +0530, Shilimkar, Santosh wrote:
> Once it's pushed out of L2X WB, it will hit the memory. Just to give an
> additional data point, with CATC analyzer what we see that only those
> 16 bytes CDB are 0x0. This buffer was memset to 0x0 just before the
> memcpy.
>
.org
> Subject: Re: Issue with file transfers to a mass storage device on SMP
> system
>
> On Tue, Jul 27, 2010 at 07:44:20PM +0530, Shilimkar, Santosh wrote:
> > OMAP doesn't override because the default definition is good enough now.
>
> Ah, good to know.
>
> >
On Tue, Jul 27, 2010 at 07:44:20PM +0530, Shilimkar, Santosh wrote:
> OMAP doesn't override because the default definition is good enough now.
Ah, good to know.
> Shouldn't below work ?
> #elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP)
> #define mb()do { dsb(); outer_sync(); } wh
t; ow...@vger.kernel.org] On Behalf Of Shilimkar, Santosh
> > > Sent: Tuesday, July 27, 2010 5:31 PM
> > > To: Russell King - ARM Linux
> > > Cc: Mankad, Maulik Ojas; linux-...@vger.kernel.org; linux-
> > > o...@vger.kernel.org; linux-arm-ker...@lists.infradead.
; To: Russell King - ARM Linux
> > Cc: Mankad, Maulik Ojas; linux-...@vger.kernel.org; linux-
> > o...@vger.kernel.org; linux-arm-ker...@lists.infradead.org
> > Subject: RE: Issue with file transfers to a mass storage device on SMP
> > system
> >
> > We have already
el.org; linux-
> o...@vger.kernel.org; linux-arm-ker...@lists.infradead.org
> Subject: RE: Issue with file transfers to a mass storage device on SMP
> system
>
> > -Original Message-
> > From: Russell King - ARM Linux [mailto:li...@arm.linux.org.uk]
> > Sent: Tuesday, July 27
.org
> Subject: Re: Issue with file transfers to a mass storage device on SMP
> system
>
> On Tue, Jul 27, 2010 at 03:49:29PM +0530, Shilimkar, Santosh wrote:
> > > On Tue, Jul 27, 2010 at 03:08:54PM +0530, Shilimkar, Santosh wrote:
> > > > As discussed, the
On Tue, Jul 27, 2010 at 03:49:29PM +0530, Shilimkar, Santosh wrote:
> > On Tue, Jul 27, 2010 at 03:08:54PM +0530, Shilimkar, Santosh wrote:
> > > As discussed, the main reason is the cache maintenance isn't done on
> > > "bcb->CDB" buffers and hence the data remains in CPU write buffer
> > > inst
.org
> Subject: Re: Issue with file transfers to a mass storage device on SMP
> system
>
> On Tue, Jul 27, 2010 at 03:08:54PM +0530, Shilimkar, Santosh wrote:
> > As discussed, the main reason is the cache maintenance isn't done on
> > "bcb->CDB" buffers and h
On Tue, Jul 27, 2010 at 03:08:54PM +0530, Shilimkar, Santosh wrote:
> As discussed, the main reason is the cache maintenance isn't done on
> "bcb->CDB" buffers and hence the data remains in CPU write buffer
> instead of the physical memory on which DMA operates.
struct bulk_cb_wrap {
__
> -Original Message-
> From: Mankad, Maulik Ojas
> Sent: Tuesday, July 27, 2010 12:05 PM
> To: linux-...@vger.kernel.org
> Cc: Shilimkar, Santosh; linux-arm-ker...@lists.infradead.org; linux-
> o...@vger.kernel.org
> Subject: Issue with file transfers to a mass storage device on SMP system
2010/7/27 Maulik :
> Hello,
>
> I am working on OMAP4 which has two ARM Cortex A9 microprocessors (SMP
> system) with 2.6.35-rc5 kernel.
>
> I have an issue whereby transferring a large file (>20MB) over USB (OMAP
> Mentor USB controller acts as USB host) to an attached USB thumb drive
> fails.
>
>
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