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2008-01-30x86: local.h fix checkpatch warningsHarvey Harrison
Mostly space after comma, one space after if. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: unify local_{32|64}.hHarvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: introduce asm helpers in local_{32|64}.hHarvey Harrison
Handle the use of long on X86_32 and quad on X86_64 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: fix asm memory constraints in local_64.hHarvey Harrison
Use the shorter +m form rather than =m and m. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: clean up local_{32|64}.hHarvey Harrison
Common prefix from both files moved to local.h Change __inline__ to inline Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: clean up include/asm-x86/pda.hCyrill Gorcunov
clean up include/asm-x86/pda.h, as suggested by checkpatch.pl. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86, kexec: force x86 arches to boot kdump kernels on boot cpuNeil Horman
Recently a kdump bug was discovered in which a system would hang inside calibrate_delay during the booting of the kdump kernel. This was caused by the fact that the jiffies counter was not being incremented during timer calibration. The root cause of this problem was found to be a bios misconfiguration of the hypertransport bus. On system affected by this hang, the bios had assigned APIC ids which used extended apic bits (more than the nominal 4 bit ids's), but failed to configure bit 17 of the hypertransport transaction config register, which indicated that the mask for the destination field of interrupt packets accross the ht bus (see section 3.3.9 of http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/26094.PDF). If a crash occurs on a cpu with an APIC id that extends beyond 4 bits, it will not recieve interrupts during the kdump kernel boot, and this hang will be the result. The fix is to add this patch, whcih add an early pci quirk check, to forcibly enable this bit in the httcfg register. This enables all cpus on a system to receive interrupts, and allows kdump kernel bootup to procede normally. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: replace outb_p() with udelay(2) in drivers/input/mouse/pc110pad.cIngo Molnar
replace outb_p() with udelay(2). This is a real ISA device so it likely needs this particular delay. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: also define AT_VECTOR_SIZE_ARCHJan Beulich
The patch introducing this left out x86-64, despite it also having extra entries. [ mingo@elte.hu: re-merged this to after the unification patches. ] Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: adjust enable_NMI_through_LVT0()Jan Beulich
Its previous use in a call to on_each_cpu() was pointless, as at the time that code gets executed only one CPU is online. Further, the function can be __cpuinit, and for this to work without CONFIG_HOTPLUG_CPU setup_nmi() must also get an attribute (this one can even be __init; on 64-bits check_timer() also was lacking that attribute). Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: make __{save,restore}_processor_state staticJan Beulich
.. allowing to remove their declarations from a global include file (the symbols don't exist for anything but x86). Likewise for 64-bits' fix_processor_context(), just that that one was properly declared in an arch-specific header. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move to .rodata/.init.dataJan Beulich
The array is never written, and on 64-bits it's not even being used past initial boot. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86-64: honor notify_die() returning NOTIFY_STOPJan Beulich
This requires making die() return a value, making its callers honor this (and be prepared that it may return), and making oops_end() have two additional parameters. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86-64: make pda's cpunumber and nodenumber unsignedJan Beulich
This generally allows better code to be generated, since the zero- extension during 32-bit operations comes for free (needed when the result is used as array index or similar), whereas sign extension must be done explicitly and frequently requires a one byte larger instruction due to the necessary rex64 prefix. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30i386: hard_{en,dis}able_TSC can be staticJan Beulich
Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: kprobes code for x86 unificationMasami Hiramatsu
This patch unifies kprobes code. - Unify kprobes_*.h to kprobes.h - Unify kprobes_*.c to kprobes.c (Differences are separated by ifdefs) - Most differences are related to REX prefix and rip relatives. - Two inline assembly code are different. - One difference in kprobe_handlre() - One fixup exception code is different, but it will be unified if mm/extable_*.c are unified. - Merge history logs into arch/x86/kernel/kprobes.c. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Jim Keniston <jkenisto@us.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: prepare kprobes code for x86 unificationMasami Hiramatsu
This patch cleanup kprobes code on x86 for unification. This patch is based on Arjan's previous work. - Remove spurious whitespace changes - Add harmless includes - Make the 32/64 files more identical - Generalize structure fields' and local variable name. - Wrap accessing to stack address by macros. - Modify bitmap making macro. - Merge fixup code into is_riprel() and change its name to fix_riprel(). - Set MAX_INSN_SIZE to 16 on both arch. - Use u32 for bitmaps on both architectures. - Clarify some comments. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Jim Keniston <jkenisto@us.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: return probe-booster for x86-64Masami Hiramatsu
This patch adds kretprobe-booster to kprobes_64.c. - Changes are based on x86-32. - Rewrite register saving/restoring code Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: kprobe-booster for x86-64Masami Hiramatsu
This patch adds kprobe-booster to kprobes_64.c. - Changes are based on x86-32. - Add REX prefix checking code. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Jim Keniston <jkenisto@us.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: FIFO ticket spinlocksNick Piggin
Introduce ticket lock spinlocks for x86 which are FIFO. The implementation is described in the comments. The straight-line lock/unlock instruction sequence is slightly slower than the dec based locks on modern x86 CPUs, however the difference is quite small on Core2 and Opteron when working out of cache, and becomes almost insignificant even on P4 when the lock misses cache. trylock is more significantly slower, but they are relatively rare. On an 8 core (2 socket) Opteron, spinlock unfairness is extremely noticable, with a userspace test having a difference of up to 2x runtime per thread, and some threads are starved or "unfairly" granted the lock up to 1 000 000 (!) times. After this patch, all threads appear to finish at exactly the same time. The memory ordering of the lock does conform to x86 standards, and the implementation has been reviewed by Intel and AMD engineers. The algorithm also tells us how many CPUs are contending the lock, so lockbreak becomes trivial and we no longer have to waste 4 bytes per spinlock for it. After this, we can no longer spin on any locks with preempt enabled and cannot reenable interrupts when spinning on an irq safe lock, because at that point we have already taken a ticket and the would deadlock if the same CPU tries to take the lock again. These are questionable anyway: if the lock happens to be called under a preempt or interrupt disabled section, then it will just have the same latency problems. The real fix is to keep critical sections short, and ensure locks are reasonably fair (which this patch does). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30spinlock: lockbreak cleanupNick Piggin
The break_lock data structure and code for spinlocks is quite nasty. Not only does it double the size of a spinlock but it changes locking to a potentially less optimal trylock. Put all of that under CONFIG_GENERIC_LOCKBREAK, and introduce a __raw_spin_is_contended that uses the lock data itself to determine whether there are waiters on the lock, to be used if CONFIG_GENERIC_LOCKBREAK is not set. Rename need_lockbreak to spin_needbreak, make it use spin_is_contended to decouple it from the spinlock implementation, and make it typesafe (rwlocks do not have any need_lockbreak sites -- why do they even get bloated up with that break_lock then?). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86, ptrace: new ptrace BTS APIMarkus Metzger
Here's the new ptrace BTS API that supports two different overflow handling mechanisms (wrap-around and buffer-full-signal) to support two different use cases (debugging and profiling). It further combines buffer allocation and configuration. Opens: - memory rlimit - overflow signal What would be the right signal to use? Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86, ptrace: change BTS GET ptrace interfaceMarkus Metzger
Change the ptrace interface to mimick an array from newst to oldest. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86, ptrace: use jiffies for BTS timestampsMarkus Metzger
Replace sched_clock() with jiffies for BTS timestamps. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86, ptrace: remove bad commentMarkus Metzger
Remove no longer correct comment. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: avoid ifdefs in desc.h, getting rid of pack_ldt and pack_tssGlauber de Oliveira Costa
By Andi Kleen's suggestion, this patch removes pack_ldt() and pack_tss() wrappers in favour of a general wrapper. It saves us an ifdef and some lines of code, but more importantly, it's more elegant. No functional change is made, although the object code is expected to be different. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86 boot: use E820 memory map on EFI 32 platformHuang, Ying
Because the EFI memory map are converted to e820 memory map in bootloader, the EFI memory map handling code is removed to clean up. Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@suse.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: EFI runtime service support: remove duplicated code from efi_32.cHuang, Ying
This patch removes the duplicated code between efi_32.c and efi.c. Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: EFI runtime service support: document for EFI runtime servicesHuang, Ying
This patch adds document for EFI x86_64 runtime services support. Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com> Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: EFI runtime service support: EFI runtime servicesHuang, Ying
This patch adds support for several EFI runtime services for EFI x86_64 system. The EFI support for emergency_restart is added. Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com> Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: EFI runtime service supportHuang, Ying
This patch adds basic runtime services support for EFI x86_64 system. The main file of the patch is the addition of efi_64.c for x86_64. This file is modeled after the EFI IA32 avatar. EFI runtime services initialization are implemented in efi_64.c. Some x86_64 specifics are worth noting here. On x86_64, parameters passed to EFI firmware services need to follow the EFI calling convention. For this purpose, a set of functions named efi_call<x> (<x> is the number of parameters) are implemented. EFI function calls are wrapped before calling the firmware service. The duplicated code between efi_32.c and efi_64.c is placed in efi.c to remove them from efi_32.c. Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com> Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30mcheck mce_64: mce_read_sem to mutexDaniel Walker
Converted to a mutex, and changed the name to mce_read_mutex. Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: add ACPI reboot optionAaron Durbin
Add the ability to reboot an x86_64 based machine using the RESET_REG in the FADT ACPI table. Signed-off-by: Aaron Durbin <adurbin@google.com> Cc: Len Brown <lenb@kernel.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: dummy placeholder for acpi/reboot.hIngo Molnar
dummy placeholder for acpi/reboot.h Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30uml: add asm-um/asm.hJeff Dike
git-x86.patch introduces asm-x86/asm.h. UML needs to follow this with an asm/asm.h of its own. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: __vdso_getcpu() warning fixAndrew Morton
arch/x86/vdso/vgetcpu.c: In function '__vdso_getcpu': arch/x86/vdso/vgetcpu.c:22: warning: pointer targets in passing argument 1 of 'native_read_tscp' differ in signedness Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: remove fastcall from include/asm-x86Harvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: remove all definitions with fastcallHarvey Harrison
fastcall is always defined to be empty, remove it from arch/x86 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30core: remove last users of empty FASTCALL macroHarvey Harrison
FASTCALL is always empty after the x86 removal. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: remove last users of FASTCALLHarvey Harrison
FASTCALL() is always empty. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30UML: remove remaining FASTCALL usesHarvey Harrison
With the x86 removal, FASTCALL is always empty now. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: unify set_tss_descGlauber de Oliveira Costa
This patch unifies the set_tss_desc between i386 and x86_64, which can now have a common implementation. After the old functions are removed from desc_{32,64}.h, nothing important is left, and the files can be removed. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move _set_gate and its users to a common locationGlauber de Oliveira Costa
This patch moves _set_gate and its users to desc.h. We can now use common code for x86_64 and i386. [ mingo@elte.hu: set_system_gate() fixes for nasty crashes. ] Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: unify paravirt pieces of descriptor handlingGlauber de Oliveira Costa
With the types used to access descriptors in x86_64 and i386 now being the same, the code that effectively handles them can now be easily shared. This patch moves the paravirt part of desc_32.h into desc.h, and then, we get paravirt support in x86_64 for free. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: modify get_desc_baseGlauber de Oliveira Costa
This patch makes get_desc_base() receive a struct desc_struct, and then uses its internal fields to compute the base address. This is done at both i386 and x86_64, and then it is moved to common header Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: use the same data type for tls_array.Glauber de Oliveira Costa
This patch changes the type of tls_array in x86_64 to a desc_struct. Now, both i386 and x86_64 tls_array have the same type, and code accessing it can be shared. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: unify non-paravirt parts of desc.hGlauber de Oliveira Costa
This patch unifies the non-paravirt part of desc_{32,64}.h into desc.h. Most of it, is simply common code, that is moved to the shared header. The only exception is the set_ldt_desc in desc_64.h, which is changed - included its name - to accomodate for the way the ldt is set up in i386. Also, constant definitions used in desc_32.h are moved to desc_defs.h Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move constants to desc_defs.hGlauber de Oliveira Costa
this patch moves constant definitions regarding descriptor types from desc_32.h to desc_defs.h. The change from defines to enum to comply with previous versions in desc_defs.h Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: change write_ldt_entry signatureGlauber de Oliveira Costa
this patch changes the signature of write_ldt_entry. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> CC: Zachary Amsden <zach@vmware.com> CC: Jeremy Fitzhardinge <Jeremy.Fitzhardinge.citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: change write_gdt_entry signature.Glauber de Oliveira Costa
This patch changes the write_gdt_entry function signature. Instead of the old "a" and "b" parameters, it now receives a pointer to a desc_struct, and the size of the entry being handled. This is because x86_64 can have some 16-byte entries as well as 8-byte ones. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> CC: Zachary Amsden <zach@vmware.com> CC: Jeremy Fitzhardinge <Jeremy.Fitzhardinge.citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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