Commit Graph

58 Commits

Author SHA1 Message Date
Jaswinder Singh Rajput
4884d8e6a0 x86: fix mpparse.c build error on latest git
Fix this by reintroducing asm/smp.h include in mpparse.c - later on
I will fix this by removing non-smp data from smp.h.

Reported-by: Petr Titera <P.Titera@century.cz>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-12 19:24:22 +01:00
Ingo Molnar
0936912274 Merge branches 'x86/cleanups', 'x86/mpparse', 'x86/numa' and 'x86/uv' into x86/urgent 2009-01-06 17:39:52 +01:00
Huang Weiyi
9e9197370d x86: remove duplicated #include's
Removed duplicated #include's in:

  arch/x86/kernel/mpparse.c
  arch/x86/kernel/nmi.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-06 13:34:03 +01:00
Alan Cox
87c6fe2618 x86: update Alan Cox's email addresses
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 15:19:16 +01:00
Jaswinder Singh Rajput
6c65da50bd x86: rename all fields of mpc_table mpc_X to X
Impact: cleanup, solve 80 columns wrap problems

It would be cleaner to rename all the mpc->mpc_X fields to
mpc->X - that alone would give 4 characters per usage site.
(we already know that it's an 'mpc' entity -
no need to duplicate that in the field too)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 14:08:34 +01:00
Jaswinder Singh Rajput
d4c715fad5 x86: rename all fields of mpc_bus mpc_X to X
Impact: cleanup, solve 80 columns wrap problems

It would be cleaner to rename all the mpc->mpc_X fields to
mpc->X - that alone would give 4 characters per usage site.
(we already know that it's an 'mpc' entity -
no need to duplicate that in the field too)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 14:08:33 +01:00
Jaswinder Singh Rajput
c4563826b7 x86: rename all fields of mpc_cpu mpc_X to X
Impact: cleanup, solve 80 columns wrap problems

It would be cleaner to rename all the mpc->mpc_X fields to
mpc->X - that alone would give 4 characters per usage site.
(we already know that it's an 'mpc' entity -
no need to duplicate that in the field too)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 14:08:33 +01:00
Jaswinder Singh Rajput
e253b396b1 x86: rename all fields of mpc_intsrc mpc_X to X
Impact: cleanup, solve 80 columns wrap problems

It would be cleaner to rename all the mpc->mpc_X fields to
mpc->X - that alone would give 4 characters per usage site.
(we already know that it's an 'mpc' entity -
no need to duplicate that in the field too)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 14:08:32 +01:00
Jaswinder Singh Rajput
b5ced7cdb0 x86: rename all fields of mpc_lintsrc mpc_X to X
Impact: cleanup, solve 80 columns wrap problems

It would be cleaner to rename all the mpc->mpc_X fields to
mpc->X - that alone would give 4 characters per usage site.
(we already know that it's an 'mpc' entity -
no need to duplicate that in the field too)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 14:08:31 +01:00
Jaswinder Singh Rajput
5df82c7d18 x86: rename all fields of mpc_iopic mpc_X to X
Impact: cleanup, solve 80 columns wrap problems

It would be cleaner to rename all the mpc->mpc_X fields to
mpc->X - that alone would give 4 characters per usage site.
(we already know that it's an 'mpc' entity -
no need to duplicate that in the field too)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-05 14:08:31 +01:00
Jaswinder Singh Rajput
b0e239ffad x86: rename mpc_config_oemtable to mpc_oemtable
Impact: cleanup, solve 80 columns wrap problems

mpc_config_oemtable should be renamed to mpc_oemtable.

The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:23:02 +01:00
Jaswinder Singh Rajput
8fb2952b8a x86: rename mpc_config_lintsrc to mpc_lintsrc
Impact: cleanup, solve 80 columns wrap problems

mpc_config_lintsrc should be renamed to mpc_lintsrc.

The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:23:02 +01:00
Jaswinder Singh Rajput
540d4e72e1 x86: rename mpc_config_intsrc to mpc_intsrc
Impact: cleanup, solve 80 columns wrap problems

mpc_config_intsrc should be renamed to mpc_intsrc.

The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:23:01 +01:00
Jaswinder Singh Rajput
2b85b5fb47 x86: rename mpc_config_ioapic to mpc_ioapic
Impact: cleanup, solve 80 columns wrap problems

mpc_config_ioapic should be renamed to mpc_ioapic.

The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:23:00 +01:00
Jaswinder Singh Rajput
f4f21b716b x86: rename mpc_config_processor to mpc_cpu
Impact: cleanup, solve 80 columns wrap problems

mpc_config_processor should be renamed to mpc_cpu.

The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Plus 'processor' is a lot longer than 'cpu' - so we try to use 'cpu' in all
type names, as much as possible.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:23:00 +01:00
Jaswinder Singh Rajput
00fb8606e5 x86: rename mpc_config_bus to mpc_bus
Impact: cleanup, solve 80 columns wrap problems

mpc_config_bus should be renamed to mpc_bus.
The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:22:59 +01:00
Jaswinder Singh Rajput
f29521e4ee x86: rename mp_config_table to mpc_table
Impact: cleanup, solve 80 columns wrap problems

mp_config_table should be renamed to mpc_table.
The reason: the 'c' in MPC already means 'config' -
no need to repeat that in the type name.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-04 13:22:58 +01:00
Jaswinder Singh Rajput
103ceffb95 x86: mpparse.c fix style problems
Impact: cleanup, fix style problems, more readable

Fixes style problems:

 WARNING: Use #include <linux/smp.h> instead of <asm/smp.h>
 WARNING: Use #include <linux/acpi.h> instead of <asm/acpi.h>
 WARNING: suspect code indent for conditional statements (8, 17)
 WARNING: space prohibited between function name and open parenthesis '('

total: 0 errors, 5 warnings

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-02 19:24:28 +01:00
Yinghai Lu
69b88afa8d x86: clean up get_smp_config()
Impact: cleanup

reorder exit path in __get_smp_config().

also move two print outs to acpi_process_madt

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-08 15:08:28 +01:00
Andi Kleen
9adc13867e x86: fix early panic with boot option "nosmp"
Impact: fix boot crash with numcpus=0 on certain systems

Fix early exception in __get_smp_config with nosmp.

Bail out early when there is no MP table.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-04 16:33:51 +01:00
Ingo Molnar
d84705969f Merge branch 'x86/apic' into x86-v28-for-linus-phase4-B
Conflicts:
	arch/x86/kernel/apic_32.c
	arch/x86/kernel/apic_64.c
	arch/x86/kernel/setup.c
	drivers/pci/intel-iommu.c
	include/asm-x86/cpufeature.h
	include/asm-x86/dma-mapping.h
2008-10-11 20:17:36 +02:00
Marcin Slusarz
39e00fe20a x86: mpparse.c: fix section mismatch warning
WARNING: vmlinux.o(.text+0x118f7): Section mismatch in reference from the function construct_ioapic_table() to the function .init.text:MP_bus_info()
The function construct_ioapic_table() references
the function __init MP_bus_info().
This is often because construct_ioapic_table lacks a __init
annotation or the annotation of MP_bus_info is wrong.

construct_ioapic_table is called only from construct_default_ISA_mptable which is __init

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-18 07:49:26 +02:00
Marcin Slusarz
67d0c9ebdc x86: fix MP_processor_info section mismatch warning
WARNING: arch/x86/kernel/built-in.o(.cpuinit.text+0x1fe7): Section mismatch in reference from the function MP_processor_info() to the variable .init.data:x86_quirks
The function __cpuinit MP_processor_info() references
a variable __initdata x86_quirks.
If x86_quirks is only used by MP_processor_info then
annotate x86_quirks with a matching annotation.

MP_processor_info uses x86_quirks which is __init and is used only from
smp_read_mpc and construct_default_ISA_mptable which are __init

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-18 07:48:40 +02:00
Ingo Molnar
51ca3c6791 Merge branch 'linus' into x86/core
Conflicts:
	arch/x86/kernel/genapic_64.c
	include/asm-x86/kvm_host.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-14 14:58:01 +02:00
Rene Herman
eeb0d7d113 x86, debug: tone down arch/x86/kernel/mpparse.c debugging printk
commit 11a62a0560 turns some formerly
nopped debugging printks in arch/x86/kernel/mppparse.c into regular
ones. The one at the top of smp_scan_config() in particular also
prints on !CONFIG_SMP/CONFIG_X86_LOCAL_APIC kernels and UP machines
without anything resembling MP tables which makes their lowly UP
owners wonder...

Turn the former Dprintk()s into apic_printk()s instead meaning that
their printing is dependent on passing the apic=verbose (or =debug)
command line param.

On 32-bit, "apic" is a __setup() param which isn't early enough
for this code and therefore needs a followup changing it into an
early_param(). On 64-bit, it already is.

Signed-off-by: Rene Herman <rene.herman@gmail.com>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-11 18:36:03 +02:00
Ingo Molnar
76c3bb15d6 Merge branch 'linus' into x86/x2apic 2008-07-22 09:06:21 +02:00
Yinghai Lu
64898a8bad x86: extend and use x86_quirks to clean up NUMAQ code
add these new x86_quirks methods:

	int *mpc_record;
	int (*mpc_apic_id)(struct mpc_config_processor *m);
	void (*mpc_oem_bus_info)(struct mpc_config_bus *m, char *name);
	void (*mpc_oem_pci_bus)(struct mpc_config_bus *m);
	void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable,
                                    unsigned short oemsize);

... and move NUMAQ related mps table handling to numaq_32.c.

also move the call to smp_read_mpc_oem() to smp_read_mpc() directly.

Should not change functionality, albeit it would be nice to get it
tested on real NUMAQ as well ...

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20 09:25:52 +02:00
Yinghai Lu
3c9cb6de1e x86: introduce x86_quirks
introduce x86_quirks array of boot-time quirk methods.

No change in functionality intended.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20 09:18:17 +02:00
Suresh Siddha
6e1cb38a2a x64, x2apic/intr-remap: add x2apic support, including enabling interrupt-remapping
x2apic support.  Interrupt-remapping must be enabled before enabling x2apic,
this is needed to ensure that IO interrupts continue to work properly after the
cpu mode is changed to x2apic(which uses 32bit extended physical/cluster
apic id).

On systems where apicid's are > 255, BIOS can handover the control to OS in
x2apic mode. Or if the OS handover was in legacy xapic mode, check
if it is capable of x2apic mode. And if we succeed in enabling
Interrupt-remapping, then we can enable x2apic mode in the CPU.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: akpm@linux-foundation.org
Cc: arjan@linux.intel.com
Cc: andi@firstfloor.org
Cc: ebiederm@xmission.com
Cc: jbarnes@virtuousgeek.org
Cc: steiner@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-12 08:45:06 +02:00
Ingo Molnar
3b33553bad x86: add early quirk support
Add early quirks support.

In preparation of enabling the generic architecture to boot on a VISWS.

This will allow us to remove the VISWS subarch and all its complications.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-10 18:55:31 +02:00
Yinghai Lu
fcfa146e41 x86: update mptable fix with no ioapic v2
if the system doesn't have ioapic, we don't need to store entries for mptable
update

also let mp_config_acpi_gsi not call func in mpparse
so later could decouple mpparse with acpi more easily

Reported-by: Daniel Exner <dex@dragonslave.de>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Exner <dex@dragonslave.de>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08 10:39:07 +02:00
Yinghai Lu
d867e5310b x86: keep MP_intsrc_info untouched if we do not update mptable
Daniel Exner reported IO-APIC enumeration breakage in linux-next.

Alexey Starikovskiy found out that it might be related to
commit 2944e16b25 "x86: update mptable".

use enable_update_mptable to decide if need check before add mp_irqs array.

Reported-by: Daniel Exner <webmaster@dragonslave.de>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08 10:36:40 +02:00
Yinghai Lu
d2dbf34332 x86: clean up reserve_bootmem_generic() and port it to 32-bit
1. add reserve_bootmem_generic for 32bit
2. change len to unsigned long
3. make early_res_to_bootmem to use it

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08 10:36:17 +02:00
Yinghai Lu
b1f006b65c x86: make generic arch support NUMAQ, fix #2
we are checking mptable early for numaq, so don't need to reserve_bootmem
for it. bootmem is not there yet.

do the same thing as 64-bit.

found it on 64g above system from 64-bit kernel kexec to 32 bit kernel with
numaq support.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08 10:36:04 +02:00
Bernhard Walle
8b2ef1d728 x86: add flags parameter to reserve_bootmem_generic()
This patch adds a 'flags' parameter to reserve_bootmem_generic() like it
already has been added in reserve_bootmem() with commit
72a7fe3967.

It also changes all users to use BOOTMEM_DEFAULT, which doesn't effectively
change the behaviour. Since the change is x86-specific, I don't think it's
necessary to add a new API for migration. There are only 4 users of that
function.

The change is necessary for the next patch, using reserve_bootmem_generic()
for crashkernel reservation.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08 10:34:54 +02:00
Yinghai Lu
d49c428840 x86: make generic arch support NUMAQ
... so it could fall back to normal numa and we'd reduce the impact of the
NUMAQ subarch.

NUMAQ depends on GENERICARCH
also decouple genericarch numa from acpi.
also make it fall back to bigsmp if apicid > 8.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-10 11:34:42 +02:00
Yinghai Lu
e0da336468 x86: introduce max_physical_apicid for bigsmp switching
a multi-socket test-system with 3 or 4 ioapics, when 4 dualcore cpus or
2 quadcore cpus installed, needs to switch to bigsmp or physflat.

CPU apic id is [4,11] instead of [0,7], and we need to check max apic
id instead of cpu numbers.

also add check for 32 bit when acpi is not compiled in or acpi=off.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-10 11:32:09 +02:00
Yinghai Lu
ab530e1f78 x86: early check if a system is numaq
so we could fall back to one node numa.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-04 12:01:06 +02:00
Yinghai Lu
2944e16b25 x86: update mptable
make mptable to be consistent with acpi routing, so we could:

1. kexec kernel with acpi=off
2. work around BIOSes where acpi routing is working, but mptable is
   not right, so can use kernel/kexec to start other OSes that don't have
   good acpi support.

command line: update_mptable

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-03 13:26:27 +02:00
Thomas Gleixner
85cc35fa72 x86: fix mpparse fallout
UP builds with LOCAL_APIC=y and IO_APIC=n fail with a missing
reference to mp_bus_not_pci. Distangle the mpparse code some more and
move the ioapic specific bus check into a separate function.

This code needs sume urgent un#ifdef surgery all over the place.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-25 21:21:36 +02:00
Alexey Starikovskiy
8732fc4b23 x86: move mp_bus_not_pci from mpparse.c 2008-05-25 12:01:26 +02:00
Alexey Starikovskiy
ce6444d39f x86: mp_bus_id_to_pci_bus is not needed 2008-05-25 12:01:25 +02:00
Alexey Starikovskiy
bab4b27c00 x86: move smp_found_config 2008-05-25 12:01:25 +02:00
Alexey Starikovskiy
f391835290 x86: move pic_mode to apic_32.c 2008-05-25 12:01:25 +02:00
Alexey Starikovskiy
b3e2416465 x86: Set pic_mode only if local apic code is present 2008-05-25 12:01:25 +02:00
Alexey Starikovskiy
2fddb6e28e x86: make config_irqsrc not MPspec specific
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25 10:55:13 +02:00
Alexey Starikovskiy
ec2cd0a22e x86: make struct config_ioapic not MPspec specific
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25 10:55:13 +02:00
Alexey Starikovskiy
11113f84c7 x86: complete move ACPI from mpparse.c
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25 10:55:12 +02:00
Alexey Starikovskiy
32c5061265 x86: move es7000_plat out of mpparse.c
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25 10:55:12 +02:00
Yinghai Lu
11a62a0560 x86: cleanup print out for mptable
the new output is:

 MPTABLE: OEM ID: SUN
 MPTABLE: Product ID: 4600 M2
 MPTABLE: APIC at: 0x

instead of it all in one line with <6> and double Product ID...

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-25 10:55:12 +02:00