Re: [PATCH] Reserve stack/heap area for RP program

["tiejun.chen" <tiejun.chen@windriver.com>]

tiejun.chen wrote:
> Ralf Baechle wrote:
>> On Thu, Oct 30, 2008 at 07:15:45PM +0800, Tiejun Chen wrote:
>>
>>> When you want to run a program on RP it's necessary to reserve
>>> corresponding stack/heap area of that program.
>> The official method is to pass a mem= argument when booting the kernel and
>> adjust by the amount required.  Which certainly is more flexible than
>> having to hack a constant deeply hidden in the kernel code as in your
>> proposed patch.
>>
> 
> This issue is not related to pass "mem= " if enable 
> CONFIG_MIPS_VPE_LOADER_TOM.
> That way is only load RP on the hidden memory to run. Anyway we still not
> reserve necessary memory for stack/heap of RP which may be overwrite by AP 
> such
> as linux so you will found kernel crash.

Ralf,

Can you give me some suggestions?

Best Regards
Tiejun

> 
>>   Ralf
>>
> 
> 
>