On Tue, May 11, 2021 at 10:01:43PM +0200, Michael Walle wrote:
> Since commit 81e2073c175b ("genirq: Disable interrupts for force
> threaded handlers") interrupt handlers that are not explicitly requested
> as threaded are always called with interrupts disabled and there is no
> need to save the interrupt state when taking the port lock.
Since you've copied the above words verbatim from commit 75f4e830fa9c
("serial: do not restore interrupt state in sysrq helper") I'd expect
you to use quotes or at least refer to the commit you copied the
rationale from.
> This is a preparation for sysrq handling which uses
> uart_unlock_and_check_sysrq();
Johan
