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o Apic id is in most significant 8 bits of APIC_ID register. Current code
is trying to write apic id to least significant 8 bits. This patch fixes
it.
o This fix enables booting uni kdump capture kernel on a cpu with non-zero
apic id.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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parsing
In particular on systems where the local APIC space and node space
is very different from the Linux CPU number space.
Previously the older NUMA setup code directly parsing the K8
northbridge registers had some issues on 8 socket or dual core
systems. This patch fixes them.
This is mainly done by fixing some confusion between Linux
CPU numbers and local APIC ids. We now pass the local APIC IDs
to later code, which avoids mismatches.
Also add some heuristics to detect cases where the Hypertransport
nodeids and the local APIC IDs don't match, but are shifted
by a constant offset.
This is still all quite hackish, hopefully BIOS writers fill
in correct SRATs instead.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: "Maciej W. Rozycki" <macro@linux-mips.org>
Rename APIC_MODE_EXINT to APIC_MODE_EXTINT - I think it should be named
after what the mode is called in documentation.
From: "Eric W. Biederman" <ebiederm@lnxi.com>
I have reduced this patch to just the name change in the header. And
integrated the changes into the patches that add those
lines. Otherwise I ran into some ugly dependencies.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org
Signed-off-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Needed by big systems and only costs a few K of memory.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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