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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>
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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>
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Revert the dynarray changes. They need more thought and polishing.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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based on Eric's patch ...
together mold it with dyn_array for irq_desc, will allcate kstat_irqs for
nr_irq_desc alltogether if needed. -- at that point nr_cpus is known already.
v2: make sure system without generic_hardirqs works they don't have irq_desc
v3: fix merging
v4: [mingo@elte.hu] fix typo
[ mingo@elte.hu ] irq: build fix
fix:
arch/x86/xen/spinlock.c: In function 'xen_spin_lock_slow':
arch/x86/xen/spinlock.c:90: error: 'struct kernel_stat' has no member named 'irqs'
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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irq_desc[]
add CONFIG_HAVE_SPARSE_IRQ to for use condensed array.
Get rid of irq_desc[] array assumptions.
Preallocate 32 irq_desc, and irq_desc() will try to get more.
( No change in functionality is expected anywhere, except the odd build
failure where we missed a code site or where a crossing commit itroduces
new irq_desc[] usage. )
v2: according to Eric, change get_irq_desc() to irq_desc()
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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For some reason we had two parsers registered for maxcpus=. One in init/main.c
and another in arch/x86/smpboot.c. So I nuked the one in arch/x86.
Also 64-bit kernels used to handle maxcpus= as documented in
Documentation/cpu-hotplug.txt. CPUs with 'id > maxcpus' are initialized
but not booted. 32-bit version for some reason ignored them even though
all the infrastructure for booting them later is there.
In the current mainline both 64 and 32 bit versions are broken.
This patch restores the correct behaviour. I've tested x86_64 version on
4- and 8- way Core2 and 2-way Opteron based machines. Various config
combinations SMP, !SMP, CPU_HOTPLUG, !CPU_HOTPLUG.
Booted with maxcpus=1 and maxcpus=4, etc. Everything is working as expected.
So far we've received two reports from different people confirming that 32-bit
version also works fine, both on dual core laptops and 16way server machines.
[v2: This version fixes visws breakage pointed out by Ingo.]
Signed-off-by: Max Krasnyansky <maxk@qualcomm.com>
Cc: lizf@cn.fujitsu.com
Cc: jeff.chua.linux@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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fix:
arch/x86/kernel/visws_quirks.c: In function ‘visws_early_detect’:
arch/x86/kernel/visws_quirks.c:290: error: ‘skip_ioapic_setup’ undeclared (first use in this function)
arch/x86/kernel/visws_quirks.c:290: error: (Each undeclared identifier is reported only once
arch/x86/kernel/visws_quirks.c:290: error: for each function it appears in.)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Removed duplicated #include in arch/x86/kernel/visws_quirks.c.
asm/apic.h
asm/arch_hooks.h
asm/io.h
asm/visws/cobalt.h
asm/visws/lithium.h
asm/visws/piix4.h
linux/init.h
linux/interrupt.h
linux/smp.h
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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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>
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fix:
arch/x86/kernel/visws_quirks.c: In function ‘visws_early_detect’:
arch/x86/kernel/visws_quirks.c:293: error: ‘no_broadcast’ undeclared (first use in this function)
arch/x86/kernel/visws_quirks.c:293: error: (Each undeclared identifier is reported only once
arch/x86/kernel/visws_quirks.c:293: error: for each function it appears in.)
make[1]: *** [arch/x86/kernel/visws_quirks.o] Error 1
make: *** [arch/x86/kernel/visws_quirks.o] Error 2
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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merge traps_visws.c and apic_visws.c into visws_quirks.c.
(no code changed)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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rename setup_visws.c to visws_quirks.c.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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