Re: Is there a simple method to keep memory coherent between two different cpus

Hello Kipade, On Sun, Mar 26, 2017 at 6:19 PM, kipade <kipade@163.com> wrote:

Here I want to share a block of physical memory between two different cpus. Few questions. Are they(cpus) running two separate operating systems?

I want to simple use original real mode memory address. Did you mean using with MMU disabled?

Is there a simple way to invalid linux memory cache after writing to and before reading from it? ex. invalid_cache_range(u32 phy_address, u32 length).

My cpu is arm. Thanks.

Provide more details need about your cpu. Regards, Arun

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