Hi Vincenzo,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.11-rc2 next-20210104]
[cannot apply to arm64/for-next/core soc/for-next arm/for-next xlnx/master
kvmarm/next hnaz-linux-mm/master]
[If your patch is applied to the wrong
MTE provides a mode that asynchronously updates the TFSR_EL1 register
when a tag check exception is detected.
To take advantage of this mode the kernel has to verify the status of
the register at:
1. Context switching
2. Return to user/EL0 (Not required in entry from EL0 since the kernel
did
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