arm64: Add the arm64.no32bit_el0 command line option
Introducing the field 'el0' to the idreg-override for register ID_AA64PFR0_EL1. This field is also aliased to the new kernel command line option 'arm64.no32bit_el0' as a more recognizable and mnemonic name to disable the execution of 32 bit userspace applications (i.e. avoid Aarch32 execution state in EL0) from kernel command line. Link: https://lore.kernel.org/all/20240207105847.7739-1-andrea.porta@suse.com/Signed-off-by: Andrea della Porta <andrea.porta@suse.com> Link: https://lore.kernel.org/r/20240429102833.6426-1-andrea.porta@suse.comSigned-off-by: Will Deacon <will@kernel.org>
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