On 2013-1-24 13:30, Sven-Thorsten Dietrich wrote: > On Jan 23, 2013, at 8:07 PM, Libo Chen <chenlibo.3@xxxxxxxxx> wrote: > >> From: Libo Chen <libo.chen@xxxxxxxxxx> >> >> On RT spinlocks are converted to "sleeping" locks and >> therefor the local_irq_save/restore must be converted to >> local_irq_save/restore_nort >> >> Signed-off-by: Libo Chen <libo.chen@xxxxxxxxxx> >> >> --- >> arch/alpha/kernel/srmcons.c | 4 ++-- >> drivers/tty/serial/amba-pl011.c | 4 ++-- >> drivers/tty/serial/ar933x_uart.c | 4 ++-- >> drivers/tty/serial/bcm63xx_uart.c | 4 ++-- >> drivers/tty/serial/mfd.c | 4 ++-- >> drivers/tty/serial/sunhv.c | 8 ++++---- >> drivers/tty/serial/sunsab.c | 4 ++-- >> drivers/tty/serial/sunzilog.c | 4 ++-- >> 8 files changed, 18 insertions(+), 18 deletions(-) >> > Has any of this code been tested on actual hardware running RT Kernel? > > Thanks > > Sven > > Thank you for your attention. I don`t have these hardwares, and just review the RT code. As we know interrupt was threaded and spinlock can sleep on RT, so local_irq_save is unnecessary here. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
