On Mon, Apr 20, 2020, 08:33 kipade <kip...@163.com> 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 > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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