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2009-08-31x86: Move tsc_calibration to x86_init_opsThomas Gleixner1-1/+1
TSC calibration is modified by the vmware hypervisor and paravirt by separate means. Moorestown wants to add its own calibration routine as well. So make calibrate_tsc a proper x86_init_ops function and override it by paravirt or by the early setup of the vmware hypervisor. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-04-21clocksource: pass clocksource to read() callbackMagnus Damm1-1/+1
Pass clocksource pointer to the read() callback for clocksources. This allows us to share the callback between multiple instances. [hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods] [akpm@linux-foundation.org: cleanup] Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-30cpumask: remove references to struct irqaction's mask field.Rusty Russell1-1/+0
Impact: cleanup It's unused, since about 1995. So remove all initialization of it in preparation for actually removing the field. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2009-02-24Merge branches 'x86/acpi', 'x86/apic', 'x86/asm', 'x86/cleanups', 'x86/mm', 'x86/signal' and 'x86/urgent'; commit 'v2.6.29-rc6' into x86/coreIngo Molnar1-4/+5
2009-02-23x86: refactor x86_quirks supportIngo Molnar1-1/+0
Impact: cleanup Make x86_quirks support more transparent. The highlevel methods are now named: extern void x86_quirk_pre_intr_init(void); extern void x86_quirk_intr_init(void); extern void x86_quirk_trap_init(void); extern void x86_quirk_pre_time_init(void); extern void x86_quirk_time_init(void); This makes it clear that if some platform extension has to do something here that it is considered ... weird, and is discouraged. Also remove arch_hooks.h and move it into setup.h (and other header files where appropriate). Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-22Merge branch 'linus' into x86/apicIngo Molnar1-2/+5
Conflicts: arch/x86/mach-default/setup.c Semantic conflict resolution: arch/x86/kernel/setup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-22x86: Add IRQF_TIMER to legacy x86 timer interrupt descriptorsLinus Torvalds1-1/+1
Right now nobody cares, but the suspend/resume code will eventually want to suspend device interrupts without suspending the timer, and will depend on this flag to know. The modern x86 timer infrastructure uses the local APIC timers and never shows up as a device interrupt at all, so it isn't affected and doesn't need any of this. Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-20x86, vmi: TSC going backwards check in vmi clocksource, cleanupAlok Kataria1-2/+1
clean up vmi_read_cycles to use max() Reported-b: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alok N Kataria <akataria@vmware.com> Cc: Zach Amsden <zach@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-20Merge branch 'x86/urgent' into x86/coreIngo Molnar1-1/+4
2009-02-20x86, vmi: TSC going backwards check in vmi clocksourceAlok N Kataria1-1/+4
Impact: fix time warps under vmware Similar to the check for TSC going backwards in the TSC clocksource, we also need this check for VMI clocksource. Signed-off-by: Alok N Kataria <akataria@vmware.com> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: stable@kernel.org
2009-02-17x86, apic: remove genapic.hIngo Molnar1-1/+1
Impact: cleanup Remove genapic.h and remove all references to it. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-17x86: fold apic_ops into genapicYinghai Lu1-1/+1
Impact: cleanup make it simpler, don't need have one extra struct. v2: fix the sgi_uv build Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-29x86: replace CONFIG_X86_SMP with CONFIG_SMPIngo Molnar1-1/+1
The x86/Voyager subarch used to have this distinction between 'x86 SMP support' and 'Voyager SMP support': config X86_SMP bool depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64) This is a pointless distinction - Voyager can (and already does) use smp_ops to implement various SMP quirks it has - and it can be extended more to cover all the specialities of Voyager. So remove this complication in the Kconfig space. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-13cpumask: convert struct clock_event_device to cpumask pointers.Rusty Russell1-1/+1
Impact: change calling convention of existing clock_event APIs struct clock_event_timer's cpumask field gets changed to take pointer, as does the ->broadcast function. Another single-patch change. For safety, we BUG_ON() in clockevents_register_device() if it's not set. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu>
2008-10-16x86: VMI, initialize IRQ vectorAlok Kataria1-0/+3
Initialize vector_irq for the vmi used vector, to point to correct irq. Signed-off-by: Alok N Kataria <akataria@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-09x86: rename paravirtualized TSC functionsAlok Kataria1-2/+2
Rename the paravirtualized calculate_cpu_khz to calibrate_tsc. In all cases, we actually calibrate_tsc and use that as the cpu_khz value. Signed-off-by: Alok N Kataria <akataria@vmware.com> Signed-off-by: Dan Hecht <dhecht@vmware.com> Cc: Dan Hecht <dhecht@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-12x86: unify interrupt vector definesThomas Gleixner1-2/+1
The interrupt vector defines are copied 4 times around with minimal differences. Move them all into asm-x86/irq_vectors.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: isolate PIC/PIT in/out callsAlan Cox1-1/+1
Rather than remove and/or mangle inb_p/outb_p we want to remove the use of them from inappropriate places. For the PIC/PIT this may eventually depend on 32/64bitism or similar so start by adding inb/outb_pit and inb/outb_pic so that we can make them use any scheme we settle on without disturbing the existing, correct (for ISA), port 0x80 usage. (eg we can make inb_pit use udelay without messing up inb_p). Floppy already does this for the fdc. That really only leaves the CMOS as a core logic item to tackle, and bits of parallel port handling in the chipset layers. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move 8259 defines to i8259.hThomas Gleixner1-1/+0
Move the i8259 defines and remove the now io_ports.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11i386: move kernelThomas Gleixner1-0/+320
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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