Hi,

On Fri, Mar 31, 2000 at 03:57:04PM -0500, Sunil Kumar wrote:
> 
> Can anybody can explain me about what following IPI's does in linux.
> 
> 1. MTRR IPI

Remote call telling the CPU to reread the mtrr (memory type range
register) table to reset the local CPU's mtrr

> 2. INVALIDATE IPI

Remote call telling the CPU to invalidate TLB entries for page
table entries which have been modified by a different CPU

> 3. RESCHEDULE IPI

Remote call telling the CPU to perform a reschedule: another CPU
has woken up a process which will best be scheduled on the CPU
receiving the IPI

--Stephen
-
Linux SMP list: FIRST see FAQ at http://www.irisa.fr/prive/dmentre/smp-howto/
To Unsubscribe: send "unsubscribe linux-smp" to [EMAIL PROTECTED]

Reply via email to