On 10/01/2015 11:49 AM, loody wrote: > hi all: > is there any kernel API can let IRQ disable for all CPU in SMP system > for a while? > I just need it for a experiment on my module. > > such as: > xxxx --> disable SMP all cpu IRQ > OOO ---> no interrupt happen > OOO ---> no interrupt happen > zzzz ---> enable SMP all cou IRQ Look at the code in kernel/stop_machine.c -- All rights reversed. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
