Two points:
1) It's quite trivial to do kernel calls from RTLinux: look that
the implementation of rtl_printf for an example. I posted two
mallocs a while back.
2) It's _wrong_ to call malloc from RT code.
Malloc can suspend or fail (more realistically, any way of calling it
from RTL can suspend)
If you can tolerate a suspend in RT code, you don't have
a RT constraint.
If you don't have an RT constraint - don't run in RT
space. Allocate memory in a Linux driver and pass it to
RTL
On Fri, Dec 07, 2001 at 10:04:05AM -0500, Ken Emmons, Jr. wrote:
> Hello,
>
> It has been pointed out that kernel calls(including kmalloc) cannot be called from
>within RT. That is kind of what I expected after finding this bug, but I was hopping
>that there would be some solution for having an equivelent of a malloc() call. I was
>thinking of writing a rt_malloc() function.
>
> What do you folks think about this? Has anyone else written it yet??
>
> ~Ken
>
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