[EMAIL PROTECTED] wrote:
> Hello Alexis, hello Philippe,
>
> thanks for your suggestions - the protection bits did the trick! Adding them
> to xnarch_remap_io_page_range(...) in rtdm_mmap_buffer() solved the problem.
> We already tried this few months ago using
>
> pgprot_val(vma->vm_page_prot)
Is there any way the kernel mode interrupt handling maximum times can be
decreased. I very much need to reduce my kernel mode interrupt
latencies. I know my hardware is capable of better performance based
upon measurements done with RT Linux. Below is our timing comparison,
all times are the ma
Henry Bausley wrote:
> Is there any way the kernel mode interrupt handling maximum times can be
> decreased. I very much need to reduce my kernel mode interrupt
> latencies. I know my hardware is capable of better performance based
> upon measurements done with RT Linux. Below is our timing comp
Henry Bausley wrote:
> Is there any way the kernel mode interrupt handling maximum times can be
> decreased. I very much need to reduce my kernel mode interrupt
> latencies. I know my hardware is capable of better performance based
> upon measurements done with RT Linux. Below is our timing comp
ken barnett wrote:
> Hope you can help.
>
> My configuration is as follows:
> PXA25xx ADS card w/ NO PCI bridge
> Linux-2.6.24.5 kernel
> Xenomai 2.4.5 stable
>
> The Xenomai port to the kernel is as follows:
>
> ./prepare-kernel.sh linux=../../linux-2.6.24.5
> --adeos=adeos-ipipe-2.6.24-arm-1.9
Hi,
> Henry Bausley wrote:
> > Is there any way the kernel mode interrupt handling maximum times can be
> > decreased. I very much need to reduce my kernel mode interrupt
> > latencies. I know my hardware is capable of better performance based
> > upon measurements done with RT Linux. Below is
Henry Bausley wrote:
> Is there any way the kernel mode interrupt handling maximum times can be
> decreased. I very much need to reduce my kernel mode interrupt
> latencies. I know my hardware is capable of better performance based
> upon measurements done with RT Linux. Below is our timing comp