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If IO-APIC base address is 1K aligned we should not fail
on resourse insertion procedure. For this sake we define
IO_APIC_SLOT_SIZE constant which should cover all IO-APIC
direct accessible registers.
An example of a such configuration is there
http://marc.info/?l=linux-kernel&m=118114792006520
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| Quoting the message
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| IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
| IOAPIC[1]: apic_id 3, version 32, address 0xfec80000, GSI 24-47
| IOAPIC[2]: apic_id 4, version 32, address 0xfec80400, GSI 48-71
| IOAPIC[3]: apic_id 5, version 32, address 0xfec84000, GSI 72-95
| IOAPIC[4]: apic_id 8, version 32, address 0xfec84400, GSI 96-119
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Reported-by: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <20091116151426.GC5653@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (202 commits)
MAINTAINERS: update KVM entry
KVM: correct error-handling code
KVM: fix compile warnings on s390
KVM: VMX: Check cpl before emulating debug register access
KVM: fix misreporting of coalesced interrupts by kvm tracer
KVM: x86: drop duplicate kvm_flush_remote_tlb calls
KVM: VMX: call vmx_load_host_state() only if msr is cached
KVM: VMX: Conditionally reload debug register 6
KVM: Use thread debug register storage instead of kvm specific data
KVM guest: do not batch pte updates from interrupt context
KVM: Fix coalesced interrupt reporting in IOAPIC
KVM guest: fix bogus wallclock physical address calculation
KVM: VMX: Fix cr8 exiting control clobbering by EPT
KVM: Optimize kvm_mmu_unprotect_page_virt() for tdp
KVM: Document KVM_CAP_IRQCHIP
KVM: Protect update_cr8_intercept() when running without an apic
KVM: VMX: Fix EPT with WP bit change during paging
KVM: Use kvm_{read,write}_guest_virt() to read and write segment descriptors
KVM: x86 emulator: Add adc and sbb missing decoder flags
KVM: Add missing #include
...
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Directed EOI is specified by x2APIC, but is available even when lapic is
in xAPIC mode.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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We already have APIC_DEFAULT_PHYS_BASE so just to be
consistent.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
LKML-Reference: <20090824175550.927946757@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Both print_local_APIC (used when apic=debug kernel param is set) and
cpu_debug code missed support for some extended APIC registers that
I'd like to see.
This adds support to show:
- extended APIC feature register
- extended APIC control register
- extended LVT registers
[ Impact: print more debug info ]
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Jaswinder Singh Rajput <jaswinder@kernel.org>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
LKML-Reference: <20090508162350.GO29045@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: New register definitions only
CMCI means support for raising an interrupt on a corrected machine
check event instead of having to poll for it. It's a new feature in
Intel Nehalem CPUs available on some machine check banks.
For details see the IA32 SDM Vol3a 14.5
Define the registers for it as a preparation for further patches.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:
a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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