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Wardenjohn
3dae09de40
Add "stack_order" sysfs attribute which holds the order in which a live patch module was loaded into the system. A user can then determine an active live patched version of a function. cat /sys/kernel/livepatch/livepatch_1/stack_order -> 1 means that livepatch_1 is the first live patch applied cat /sys/kernel/livepatch/livepatch_module/stack_order -> N means that livepatch_module is the Nth live patch applied Suggested-by: Petr Mladek <[email protected]> Suggested-by: Miroslav Benes <[email protected]> Suggested-by: Josh Poimboeuf <[email protected]> Signed-off-by: Wardenjohn <[email protected]> Acked-by: Josh Poimboeuf <[email protected]> Reviewed-by: Petr Mladek <[email protected]> Tested-by: Petr Mladek <[email protected]> Reviewed-by: Miroslav Benes <[email protected]> Link: https://lore.kernel.org/r/[email protected] [[email protected]: Updated kernel version and date in the ABI documentation.] Signed-off-by: Petr Mladek <[email protected]>