Messages in this thread | | | Date | Sat, 24 Aug 2013 08:51:54 +0800 | Subject | Re: [PATCH v4 26/28] PCI, x86, ACPI: Link acpi ioapic register to ioapic | From | rui wang <> |
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On 8/11/13, Yinghai Lu <yinghai@kernel.org> wrote: > During ioapic hotplug, acpi_register_ioapic will be called. > Now for x86, that function is blank. > Fill that will update __mp_register_ioapic to use those ioapic. > > Signed-off-by: Yinghai Lu <yinghai@kernel.org> > --- > arch/x86/kernel/acpi/boot.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c > index 5be15d1..4a5336d 100644 > --- a/arch/x86/kernel/acpi/boot.c > +++ b/arch/x86/kernel/acpi/boot.c > @@ -707,16 +707,18 @@ EXPORT_SYMBOL(acpi_unmap_lsapic); > > int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base) > { > - /* TBD */ > - return -EINVAL; > + unsigned long long id = 0; > + > + acpi_evaluate_integer(handle, "_UID", NULL, &id);
We cannot assume that "_UID" is an integer. "_UID" can be either an integer or a string. Need to consider the case when it is a string.
Thanks Rui
> + > + return __mp_register_ioapic(id, phys_addr, gsi_base, true); > } > > EXPORT_SYMBOL(acpi_register_ioapic); > > int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base) > { > - /* TBD */ > - return -EINVAL; > + return mp_unregister_ioapic(gsi_base); > } > > EXPORT_SYMBOL(acpi_unregister_ioapic); > -- > 1.8.1.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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