Re: [PATCH] x86: enable x2apic early at the first point

From: Ingo Molnar
Date: Sun Feb 22 2009 - 12:21:56 EST



* Suresh Siddha <suresh.b.siddha@xxxxxxxxx> wrote:

> On Fri, 2009-02-20 at 01:55 -0800, Ingo Molnar wrote:
> > * Ingo Molnar <mingo@xxxxxxx> wrote:
> >
> > > > arch/x86/kernel/apic/apic.c | 3 +--
> > > > arch/x86/kernel/apic/x2apic_cluster.c | 5 ++++-
> > > > arch/x86/kernel/apic/x2apic_phys.c | 5 ++++-
> > > > arch/x86/kernel/apic/x2apic_uv_x.c | 4 +++-
> > > > drivers/pci/dmar.c | 3 ++-
> > > > 5 files changed, 14 insertions(+), 6 deletions(-)
> > >
> > > I've applied it because it fixes a real bug, but this code
> > > really needs a cleanup. Look at the repeat patterns:
> >
> > unapplied it again as it breaks the build:
> >
> > arch/x86/kernel/apic/x2apic_cluster.c: In function 'x2apic_acpi_madt_oem_check':
> > arch/x86/kernel/apic/x2apic_cluster.c:17: error: 'disable_x2apic' undeclared (first use in this function)
> > arch/x86/kernel/apic/x2apic_cluster.c:17: error: (Each undeclared identifier is reported only once
> > arch/x86/kernel/apic/x2apic_cluster.c:17: error: for each function it appears in.)
> >
> > so please resend the fixed and cleaned up version.
>
> From: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
> Subject: x86: select x2apic ops in early apic probe only if x2apic mode is enabled

Applied to tip:x86/apic, thanks Suresh!

Ingo
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