>> >Index: linux/arch/x86_64/kernel/traps.c >> >=================================================================== >> >--- linux.orig/arch/x86_64/kernel/traps.c >> >+++ linux/arch/x86_64/kernel/traps.c >> >@@ -931,7 +931,7 @@ void __init trap_init(void) >> > set_system_gate(IA32_SYSCALL_VECTOR, ia32_syscall); >> > #endif >> > >> >- set_intr_gate(KDB_VECTOR, call_debug); >> >+ set_intr_gate(NMI_VECTOR, call_debug); >> > >> > /* >> > * Should be a barrier for any external CPU state. >> >> I never understood what this does. If you deliver the IPI as an NMI, >> it'll never arrive at this vector, and why would anyone want to put an >> "int $NMI_VECTOR" anywhere? > >You can force an NMI when sending an IPI by setting the right bits >in ICR. That is what it is used for.
??? This is what the code doing the setup does. But the question was - what do you need the IDT entry for? Jan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/