[PATCH] <sys/platform/x86.h>: Add Intel LAM support

Siddhesh Poyarekar siddhesh@gotplt.org
Tue Dec 22 11:52:28 GMT 2020


On 12/22/20 5:15 PM, H.J. Lu wrote:
> I checked it with the updated commit message:
> 
> Add Intel Linear Address Masking (LAM) support to <sys/platform/x86.h>.
> HAS_CPU_FEATURE (LAM) can be used to detect if LAM is enabled in CPU.
> 
> LAM modifies the checking that is applied to 64-bit linear addresses,
> allowing software to use of the untranslated address bits for metadata.
> 

Perfect, thanks!

Siddhesh


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