On Mon, Apr 20, 2020, 08:33 kipade <kipade@xxxxxxx> wrote:
Im sorry that my there were something wrong about my notebook for a half
of month.
Here, I want to use system shared memory API to share data across
processes, but I want it use a specified
It's simple. As you are mentioning the API, so study that API.
I am also trying to learn kernel development, but through reading kernel documents.
I think a kernel developer should not be fed rather he should eat.
I will suggest you to just take a jump into kernel documentation directory, you will find yourself wet.
Pardon me, if I have hurt you.
range of memory knowned by a slave core such as DSP, etc. If I can do?
thanks.
On 2020/4/2 下午8:19, Greg KH wrote:
> On Thu, Apr 02, 2020 at 05:38:31PM +0800, kipade wrote:
>> As the topic, I want to specify a fixed physical memory space to a shared memory object, which can use
>> shm_XXX api to access the memory. Of course I do not want to use mmap api to map /dev/mem device
>> memory into user program.
> Step back and tell us exactly what problem you have, that you have come
> up to this type of solution being necessary? What do you think you can
> solve by doing this?
>
> thanks,
>
> greg k-h
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