On 9/14/20 4:04 PM, Andrey Konovalov wrote:

One needs to use the latest QEMU master and provide "-machine
virt,mte=on -cpu max" arguments to it. I'll add this information into
the cover letter for v2.

I am using the latest QEMU as of Sep. 8, and starting the system with 
virt,mte=on, and I have also checked that the appropriate bits are set 
in sctlr_el1 and ID_AA64PFR1_EL1. Finally, when I print out the tag 
immediately before and after mte_assign_mem_tag_range I get the same result.

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