CVS commit: src/sys/arch/aarch64/aarch64

["Ryo Shimizu" <ryo%netbsd.org@localhost>]

Module Name:    src
Committed By:   ryo
Date:           Sat Feb 29 21:36:03 UTC 2020

Modified Files:
        src/sys/arch/aarch64/aarch64: aarch64_machdep.c

Log Message:
add support userspace tagged address for aarch64 (experimental)

'sysctl machdep.tagged_address' to set/clear TCR_EL1.TBI0 to enable/disable address tagging.
with 'machdep.tagged_address=1', some syscalls may cause problems?


To generate a diff of this commit:
cvs rdiff -u -r1.39 -r1.40 src/sys/arch/aarch64/aarch64/aarch64_machdep.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.