Hi Michael, On 07/18/2017 01:55 PM, Michael Ellerman wrote: > laurentiu.tu...@nxp.com writes: > >> From: Laurentiu Tudor <laurentiu.tu...@nxp.com> >> >> This allows building powerpc with the GENERIC_MSI_IRQ_DOMAIN >> Kconfig by enabling the asm-generic msi.h in Kbuild. Without >> this, there's a compilation error [1] because powerpc, as most >> arches, doesn't provide an asm/msi.h. >> >> [1] In file included from ./include/linux/kvm_host.h:20:0, >> from ./arch/powerpc/include/asm/kvm_ppc.h:30, >> from arch/powerpc/kernel/dbell.c:20: >> ./include/linux/msi.h:195:21: fatal error: asm/msi.h: No such file or >> directory >> >> Signed-off-by: Laurentiu Tudor <laurentiu.tu...@nxp.com> >> --- >> v2: >> - compilation error happens when GENERIC_MSI_IRQ_DOMAIN is enabled and not >> GENERIC_MSI_IRQ, so fix commit msg and title > > It looks like the only way powerpc can enable GENERIC_MSI_IRQ_DOMAIN is > by enabling FSL_MC_BUS ? >
Yes, i think so. I'm currently working on making FSL_MC_BUS compile multi-arch [1] and that's how i hit this compilation error on ppc. [1] https://lkml.org/lkml/2017/7/17/415 --- Best Regards, Laurentiu
