s/fixed addresses/mmap fixed address
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On Die, 2010-04-20 at 16:52 +0530, Onkar Mahajan wrote:
Hi All ,
Please correct me otherwise , if I am wrong here :
#define hlist_for_each_entry(tpos, pos, head, member) \
for (pos = (head)-first; \
pos ({ prefetch(pos-next); 1;}) \ --(1)
({ tpos =
I can think of 2 things you could do if you need fixed addresses:
- write a page-fault handler in a driver and do the mmap through that
driver. With that handler you can control access to the mmap'ed
memory.
I can't (and also don't want to) modify the kernel :)
Not even with a harmless
On Wed, Apr 21, 2010 at 6:02 PM, Dragos Tatulea dragos.tatu...@gmail.comwrote:
I can think of 2 things you could do if you need fixed addresses:
- write a page-fault handler in a driver and do the mmap through that
driver. With that handler you can control access to the mmap'ed
memory.
Hi Guys,
Iam a fan of linux and opensource systems. i have done
some perl,php programming on linux but havent done much of C
programming stuff .
I like to get your expert advice on writing linux device drivers.
Acatually i have a fair knowledge in C .(iam familiar with OS
concepts) can some
On Thu, Apr 22, 2010 at 06:48, Tharanga Abeyseela
tharanga.abeyse...@gmail.com wrote:
I like to get your expert advice on writing linux device drivers.
I think, you better learn by doing. Try to pick digital version of
Linux Device Driver 3rd edition here http://lwn.net/Kernel/LDD3/ and
try to
On Thu, Apr 22, 2010 at 03:41, Andrei Matei andreimat...@gmail.com wrote:
Thanks for the link! Everything is clear now, the kernel will autogrow a
mapping with the MAP_GROWSDOWN as long as the stack pointer is around the
location the program has just accessed. So there is no magic specific to
On Thu, Apr 22, 2010 at 2:11 AM, Andrei Matei andreimat...@gmail.comwrote:
Thanks for the link! Everything is clear now, the kernel will autogrow a
mapping with the MAP_GROWSDOWN as long as the stack pointer is around the
location the program has just accessed. So there is no magic specific to
