Hi all
I am looking for an efficient way to convert syscall number to syscall
name. I can get syscall number by enabling profiling using
perf_event_open(), but cant find way to convert it to actual syscall
name.
Thanks
--sahil
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Kernelnewbies maili
Hello,
I’m writing a driver that needs to communicate with userspace applications.
Userspace needs to be able to send commands and associated data to the driver,
so the ioctl interface seems pretty straightforward. However, LDD3 states that
new ioctls in the kernel are a no-no. If that’s the c
On Wed, 6 May 2015, Huaicheng Li wrote:
> In my understanding, the head initialised using LIST_HEAD_INIT or
> defined by LIST_HEAD corresponds to no *real* data field.
correct. a better way to describe it would be that it corresponds to
no real enclosing payload, so it should never be dereferen
In my understanding, the head initialised using LIST_HEAD_INIT or defined by
LIST_HEAD corresponds to no *real* data field.
But it *does* have its own _next_ and _prev_ pointers. The _next_ pointer
points to the first real node in the doubly linked list,
and the _prev_ pointer points to the last
On Tue, May 5, 2015 at 3:29 PM, wrote:
> Thanks for the reply. Hmm... I did not think of a DT entry as it is a
> single location and not part of any particular peripheral. Not even
> mentioned in the memory map.
That's why I suggested to use a syscon device.
> I tried grepping for ioremap funct