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SubjectRe: x86: unify genapic code, unify subarchitectures, remove old subarchitecture code
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On Wed, 2009-01-28 at 15:41 -0800, Ingo Molnar wrote:
> This series of 114 patches implements a long desired restructuring,
> unification and cleanup of the x86 APIC/SMP/subarch code:
>
> - unifies the 32-bit and 64-bit genapic code
>
> - sorts out all the subarch details into standalone and boot-time
> probable quirk modules
>
> - removes the build-time subarch hacks that we had on 32-bit.
>
> This inevitably touches an awful lot of x86 code, and rather intrusively
> so:
>
> 112 files changed, 3277 insertions(+), 3209 deletions(-)
>
> So breakages are to be expected.

Here's one :)

diff --git a/arch/x86/include/asm/genapic.h
b/arch/x86/include/asm/genapic.h
index 4bbcf26..273b994 100644
--- a/arch/x86/include/asm/genapic.h
+++ b/arch/x86/include/asm/genapic.h
@@ -145,7 +145,7 @@ static inline unsigned int read_apic_id(void)
{
unsigned int reg;

- reg = *(u32 *)(APIC_BASE + APIC_ID);
+ reg = apic_read(APIC_ID);

return apic->get_apic_id(reg);
}



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