> > I dont actually know a CPU that doesnt have one in SMP mode. Its just often > > behind an I/O interface that is slower than ideal > > Where would you put it for IA32 ? I don't know any free MSR that could > be abused for that, and acessing MSRs is insanely slow anyways. Any > other ideas ? The CPU identifier is in the APIC in SMP IA32. 2.0 reads it off the APIC each time. Its a few cycles so the 2.2 approach is nicer - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
- Re: Calling current() from interrupt context Kenn Humborg
- Re: Calling current() from interrupt context Alan Cox
- Re: Calling current() from interrupt context Andi Kleen
- Re: Calling current() from interrupt context Alan Cox
- Re: Calling current() from interrupt cont... Andi Kleen
- Re: Calling current() from interrupt cont... David S. Miller
- Re: Calling current() from interrupt cont... Jeff V. Merkey
- Re: Calling current() from interrupt cont... Jeff V. Merkey
- Re: Calling current() from interrupt cont... Jeff V. Merkey
- Re: Calling current() from interrupt cont... Jeff V. Merkey
- Re: Calling current() from interrupt cont... Alan Cox
- Re: Calling current() from interrupt context Kenn Humborg
- Re: Calling current() from interrupt cont... Andi Kleen
- Re: Calling current() from interrupt cont... Kenn Humborg
- Re: Calling current() from interrupt context Linus Torvalds
- Re: Calling current() from interrupt context Jamie Lokier
- Re: Calling current() from interrupt cont... Alan Cox
- Re: Calling current() from interrupt cont... David S. Miller
- Re: Calling current() from interrupt cont... kumon
- Re: Calling current() from interrupt cont... Linus Torvalds
- Re: Calling current() from interrupt context yodaiken