On Mon, Nov 09, 2020 at 09:30:21PM +0000, Will Deacon wrote: > Since 32-bit applications will be killed if they are caught trying to > execute on a 64-bit-only CPU in a mismatched system, advertise the set > of 32-bit capable CPUs to userspace in sysfs. > > Signed-off-by: Will Deacon <will@xxxxxxxxxx> > --- > .../ABI/testing/sysfs-devices-system-cpu | 9 +++++++++ > arch/arm64/kernel/cpufeature.c | 19 +++++++++++++++++++ > 2 files changed, 28 insertions(+) I still think the "kill processes that can not run on this CPU" is crazy but that has nothing to do with this sysfs file patch, which looks good to me: Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>