you can use Asynchronous notification , FASYNC .
http://www.makelinux.net/ldd3/chp-6-sect-4
Regards,
Nilesh
On Tue, Jan 28, 2014 at 9:47 PM, Vishwanath Govind <
vishwanath.gov...@gmail.com> wrote:
> You can implement irq handler in spi driver itself. SPI specific platform
> data can pass it f
FYI, the "firmware" are loaded from flash:
http://en.wikipedia.org/wiki/Flash_memory
which means microcontroller (or microprocessor) + DMA/DDR memory + flash
are the usual makeup of an embedded system. flash are non-volatile, but
normally it is slower and cannot be executed as CPU or microncont
Hi! I’m not sure this is general enough for the kernel newbie list. However,
it is certainly a newbie question, and I’m not sure it belongs on target-devel,
being more of the “I don’t know how to do something simple” variety. Anyway,
if this question belongs somewhere other than kernelnewbies
On Feb 13, 2014 10:29 AM, "m silverstri"
wrote:
>
> I have an output buffer in my kernel driver. And that share with my
> hardware, which uses it for output.
>
> When I got an interrupt, the kernel driver will copy the data from the
> output buffer to user space buffer.
>
> How can I invalidate ca
I have an output buffer in my kernel driver. And that share with my
hardware, which uses it for output.
When I got an interrupt, the kernel driver will copy the data from the
output buffer to user space buffer.
How can I invalidate cache after my kernel driver copy the output buffer?
___
Hi Rishi,
Thanks for your reply!
I'm sorry that the description of the problem was not clear.
I am writing a module(not a filesystem) to replace some operation
pointers of Ext4.
Just now, I try to print the dentry->name as you said. It seems
that I'm modifying the right files.
I'm wonderring if
Hi Abhijit and Saket,
Thank you very much for your reply!
I did some study on eCryptfs before. I think eCrytfs is a "
big ideas for small business".
Implementation of a totally new filesystem is quite complex
for me to imitate and study. So with the elicitation from
eCryptfs, I have this idea to
Hi,
On Thu, Feb 13, 2014 at 12:14 PM, Abhijit Chandrakant Pawar <
abhi.c.pa...@gmail.com> wrote:
> Hi,
>
> On Thursday 13 February 2014 07:40 AM, freeman wrote:
> > Hi list,
> >
> > I am a newbie in linux kernel programming. Recently I got stuck in a
> > problem when doing
> > practice in file s
