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SubjectRe: [tip:x86/irq] x86, acpi/irq: Handle isa irqs that are not identity mapped to gsi's.

* Eric Biederman <ebiederm@aristanetworks.com> wrote:

> On Wed, May 5, 2010 at 1:56 AM, Ingo Molnar <mingo@elte.hu> wrote:
> >
> > * tip-bot for Eric W. Biederman <ebiederm@xmission.com> wrote:
> >
> >> Commit-ID: ?988856ee1623bd37e384105f7bb2b7fe44c009f6
> >> Gitweb: ? ? http://git.kernel.org/tip/988856ee1623bd37e384105f7bb2b7fe44c009f6
> >> Author: ? ? Eric W. Biederman <ebiederm@xmission.com>
> >> AuthorDate: Tue, 30 Mar 2010 01:07:15 -0700
> >> Committer: ?H. Peter Anvin <hpa@zytor.com>
> >> CommitDate: Tue, 4 May 2010 13:35:17 -0700
> >>
> >> x86, acpi/irq: Handle isa irqs that are not identity mapped to gsi's.
> >
> > FYI, the patchset causes this build error with certain configs:
> >
> > arch/x86/kernel/acpi/boot.c:122: error: 'gsi_end' undeclared (first use in this function)
> > arch/x86/kernel/acpi/boot.c:122: error: (Each undeclared identifier is reported only once
> > arch/x86/kernel/acpi/boot.c:122: error: for each function it appears in.)
> > arch/x86/kernel/acpi/boot.c:133: error: 'gsi_end' undeclared (first use in this function)
>
> What configuration supports acpi and doesn't support ioapics?

an UP kernel with ACPI turned on for example.

Ingo


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