On Tue, 2014-12-23 at 15:56 +0800, Jiang Liu wrote: > Hi Scott and Tudor, > Sorry, resend and Ccing the list.
Resending reply... > We are trying to clean up some irqchip interfaces, and > irqchip.irq_print_chip is a candidate for removal. After some > changes on x86 side, arch/powerpc/sysdev/fsl_msi.c may be the > last user of irqchip.irq_print_chip. So could you please help > to advice on whether we could kill irqchip.irq_print_chip > by using "fsl-msi" instead of "fsl-msi-%d" for irqchip name? > Will it break any userspace interfaces? > Thanks! > Gerry fsl-msi-%d was introduced to allow userspace to identify the cascade interrupt belonging to a particular MSI, for the purpose of setting affinity, as this cannot be done on the MSI itself due to hardware limitations. Removing it would not exactly eliminate a lot of code or complexity... -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
