Re: IPI and I/O interrupts

On Wednesday, June 22, 2011 3:59:06 am Sushanth Rai wrote: > Hi, > > I would like to understand little bit about the FreeBSD interrupt handling on x86. > > When a cpu is processing an IPI, let's say cpu is running IPI_STOP handler, are I/O interrupts like the timer interrupt disabled ? Converse

IPI and I/O interrupts

Hi, I would like to understand little bit about the FreeBSD interrupt handling on x86. When a cpu is processing an IPI, let's say cpu is running IPI_STOP handler, are I/O interrupts like the timer interrupt disabled ? Conversely if the cpu is holding a spinlock, which means it has disabled int