On Fri, Apr 25 2008, Jeremy Fitzhardinge wrote: > Jens Axboe wrote: > >--- a/arch/x86/kernel/smp.c > >+++ b/arch/x86/kernel/smp.c > > > [...] > >+void arch_send_call_function_single_ipi(int cpu) > > { > > > [...] > >+void arch_send_call_function_ipi(cpumask_t mask) > > { > > > [...] > >--- a/arch/x86/xen/smp.c > >+++ b/arch/x86/xen/smp.c > >+void arch_send_call_function_ipi(cpumask_t mask) > >+{ > > > [...] > >+void arch_send_call_function_single_ipi(int cpu) > >+{ > >+ xen_send_IPI_mask(cpumask_of_cpu(cpu), > >XEN_CALL_FUNCTION_SINGLE_VECTOR); > > > > Xen vs native is a runtime choice, so you can't just statically define > arch_send_call_function(_single)_ipi for each. You need to define the > arch_* functions once, make them call via smp_ops, and call into the > respective native and Xen versions of the ipi functions. Noted, I'll add it to smp_ops (like smp_call_function_mask() was before). > Aside from that it looks good, with a very appealing code size reduction. Thanks! -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html