On Wed, Jun 10, 2020 at 05:22:29PM +0200, Johan Hovold wrote: > This series fixes a few regressions introduced by the recent sysrq > rework that went into 5.6. > > The fix for the unnecessary per-character overhead probably could have > been marked for stable but I left that decision to the maintainers as it > is a bit intrusive (although mostly shuffling code around). I see a problem, thanks for pointing out! The fix LGTM! FWIW, Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > Johan > > Changes in v2 > - inline uart_unlock_and_check_sysrq() along with the other helpers > (restoring the interrupt state in a helper was never an issue) > > > Johan Hovold (3): > Revert "serial: core: Refactor uart_unlock_and_check_sysrq()" > serial: core: fix sysrq overhead regression > serial: core: drop redundant sysrq checks > > drivers/tty/serial/serial_core.c | 96 +---------------------------- > include/linux/serial_core.h | 102 +++++++++++++++++++++++++++++-- > 2 files changed, 100 insertions(+), 98 deletions(-) > > -- > 2.26.2 > -- With Best Regards, Andy Shevchenko
