Messages in this thread | | | Date | Thu, 04 Apr 2013 13:20:55 +0800 | From | Simon Jeons <> | Subject | Re: [PATCH] x86: add phys addr validity check for /dev/mem mmap |
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Hi H.Peter, On 04/04/2013 09:32 AM, H. Peter Anvin wrote: > On 04/03/2013 06:17 PM, Simon Jeons wrote: >> e820 also contain mmio, correct? > No.
How to check which address is used by mmio? /proc/iomem, correct?
> >> So cpu should not access address beyond >> e820 map(RAM+MMIO). > No. > > -hpa > >
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