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Message-Id: <11922663281074-git-send-email-avi@qumranet.com>
Date: Sat, 13 Oct 2007 11:05:28 +0200
From: Avi Kivity <avi@...ranet.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, kvm-devel@...ts.sourceforge.net
Subject: KVM updates for the 2.6.24-rc merge window
Linus, please pull from the repo and branch at
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm.git for-linus
to receive the 2.6.24 episode of KVM. Highlights include in-kernel
pic/lapic/ioapic emulation, improved guest support, preemptibility,
an improved x86 emulator, and a fair amount of cleanup.
The changes outside drivers/kvm/ and include/linux/kvm*.h fix the CR8 mask
definition (which is not otherwise used in the kernel) and expose some
ioapic register definitions even if ioapic support is not compiled in. The
diff is appended below.
Amit Shah (1):
KVM: Set the ET flag in CR0 after initializing FX
Aurelien Jarno (1):
KVM: Remove dead code in the cmpxchg instruction emulation
Avi Kivity (13):
i386: Expose IOAPIC register definitions even if CONFIG_X86_IO_APIC is not set
KVM: Future-proof the exit information union ABI
KVM: x86 emulator: fix cmov for writeback changes
KVM: x86 emulator: fix faulty check for two-byte opcode
KVM: Use the scheduler preemption notifiers to make kvm preemptible
KVM: Close minor race in signal handling
KVM: X86 emulator: fix 'push reg' writeback
KVM: MMU: Don't do GFP_NOWAIT allocations
KVM: VMX: Move vm entry failure handling to the exit handler
KVM: Move main vcpu loop into subarch independent code
KVM: Improve emulation failure reporting
KVM: Skip pio instruction when it is emulated, not executed
KVM: Replace enum by #define
Christian Ehrhardt (1):
KVM: Rename kvm_arch_ops to kvm_x86_ops
Eddie Dong (11):
KVM: In-kernel string pio write support
KVM: Add support for in-kernel PIC emulation
KVM: Define and use cr8 access functions
KVM: Emulate local APIC in kernel
KVM: In-kernel I/O APIC model
KVM: Emulate hlt in the kernel
KVM: Protect in-kernel pio using kvm->lock
KVM: in-kernel LAPIC save and restore support
KVM: pending irq save/restore
KVM: Keep track of missed timer irq injections
KVM: Migrate lapic hrtimer when vcpu moves to another cpu
Gabriel C (1):
KVM: Fix defined but not used warning in drivers/kvm/vmx.c
Gregory Haskins (1):
KVM: Remove arch specific components from the general code
He, Qing (7):
KVM: Add get/set irqchip ioctls for in-kernel PIC live migration support
KVM: Bypass irq_pending get/set when using in kernel irqchip
KVM: in-kernel IOAPIC save and restore support
KVM: disable tpr/cr8 sync when in-kernel APIC is used
KVM: round robin for APIC lowest priority delivery mode
KVM: enable in-kernel APIC INIT/SIPI handling
KVM: VMX: Fix exit qualification width on i386
Izik Eidus (2):
KVM: VMX: allow rmode_tss_base() to work with >2G of guest memory
KVM: Support more memory slots
Jeff Dike (2):
KVM: Set exit_reason to KVM_EXIT_MMIO where run->mmio is initialized.
KVM: add hypercall nr to kvm_run
Laurent Vivier (7):
KVM: Change the emulator_{read,write,cmpxchg}_* functions to take a vcpu
KVM: Remove kvm_{read,write}_guest()
KVM: Remove useless assignment
KVM: Cleanup string I/O instruction emulation
KVM: Clean up kvm_setup_pio()
KVM: VMX: Split segments reload in vmx_load_host_state()
KVM: Simplify memory allocation
Li, Xin B (1):
KVM: VMX: Remove a duplicated ia32e mode vm entry control
Nguyen Anh Quynh (1):
KVM: Fix *nopage() in kvm_main.c
Nitin A Kamble (14):
KVM: x86 emulator: implement 'and $imm, %{al|ax|eax}'
KVM: x86 emulator: implement 'jmp rel' instruction (opcode 0xe9)
KVM: x86 emulator: Implement 'jmp rel short' instruction (opcode 0xeb)
KVM: x86 emulator: implement 'push reg' (opcodes 0x50-0x57)
KVM: x86 emulator: push imm8
KVM: x86 emulator: call near
KVM: x86 emulator: pushf
KVM: x86 emulator: sort opcodes into ascending order
KVM: x86 emulator: imlpement jump conditional relative
KVM: X86 emulator: jump conditional short
KVM: x86 emulator: lea
KVM: x86 emulator: jmp abs
KVM: x86 emulator: fix src, dst value initialization
KVM: x86 emulator: popf
Qing He (2):
KVM: SMP: Add vcpu_id field in struct vcpu
KVM: deliver PIC interrupt only to vcpu0
Rusty Russell (33):
KVM: Trivial: /dev/kvm interface is no longer experimental.
KVM: Trivial: Remove unused struct cpu_user_regs declaration
KVM: Trivial: Make decode_register() static
KVM: Trivial: Comment spelling may escape grep
KVM: Trivial: Avoid hardware_disable predeclaration
KVM: Trivial: Use standard CR0 flags macros from asm/cpu-features.h
KVM: Use standard CR3 flags, tighten checking
KVM: Use standard CR4 flags, tighten checking
KVM: Trivial: Use standard BITMAP macros, open-code userspace-exposed header
KVM: Use standard CR8 flags, and fix TPR definition
KVM: Return if the pdptrs are invalid when the guest turns on PAE.
KVM: load_pdptrs() cleanups
KVM: Dynamically allocate vcpus
KVM: fx_init() needs preemption disabled while it plays with the FPU state
KVM: VMX: pass vcpu_vmx internally
KVM: Remove three magic numbers
KVM: SVM: de-containization
KVM: SVM: internal function name cleanup
KVM: Use kmem cache for allocating vcpus
KVM: Use alignment properties of vcpu to simplify FPU ops
KVM: kvm_vm_ioctl_get_dirty_log restore "nothing dirty" optimization
KVM: Don't assign vcpu->cr3 if it's invalid: check first, set last
KVM: Cleanup mark_page_dirty
KVM: SVM: Make set_msr_interception more reliable
KVM: Remove redundant alloc_vmcs_cpu declaration
KVM: Remove stat_set from debugfs
KVM: Remove unneeded kvm_dev_open and kvm_dev_release functions.
KVM: Add and use pr_unimpl for standard formatting of unimplemented features
KVM: Use kmem_cache_free for kmem_cache_zalloc'ed objects
KVM: Remove the unused invlpg member of struct kvm_arch_ops.
KVM: Clean up unloved invlpg emulation
KVM: Keep control regs in sync
KVM: Hoist SVM's get_cs_db_l_bits into core code.
Shaohua Li (3):
KVM: Hoist kvm_mmu_reload() out of the critical section
KVM: Move gfn_to_page out of kmap/unmap pairs
KVM: Convert vm lock to a mutex
Yang, Sheng (5):
KVM: VMX: Import some constants of vmcs from IA32 SDM
KVM: VMX: Improve the method of writing vmcs control
KVM: VMX: Add cpu consistency check
KVM: Communicate cr8 changes to userspace
KVM: VMX: Use shadow TPR/cr8 for 64-bits guests
drivers/kvm/Kconfig | 1 +
drivers/kvm/Makefile | 2 +-
drivers/kvm/i8259.c | 450 +++++++++++
drivers/kvm/ioapic.c | 388 ++++++++++
drivers/kvm/irq.c | 98 +++
drivers/kvm/irq.h | 165 ++++
drivers/kvm/kvm.h | 201 +++---
drivers/kvm/kvm_main.c | 1486 ++++++++++++++++++++++++-------------
drivers/kvm/kvm_svm.h | 3 +
drivers/kvm/lapic.c | 1064 ++++++++++++++++++++++++++
drivers/kvm/mmu.c | 51 +-
drivers/kvm/paging_tmpl.h | 84 ++-
drivers/kvm/svm.c | 1046 ++++++++++++--------------
drivers/kvm/vmx.c | 1034 +++++++++++++++-----------
drivers/kvm/vmx.h | 73 ++-
drivers/kvm/x86_emulate.c | 411 ++++++++---
drivers/kvm/x86_emulate.h | 20 +-
include/asm-x86/io_apic_32.h | 16 +-
include/asm-x86/processor-flags.h | 2 +-
include/linux/kvm.h | 128 +++-
20 files changed, 4848 insertions(+), 1875 deletions(-)
create mode 100644 drivers/kvm/i8259.c
create mode 100644 drivers/kvm/ioapic.c
create mode 100644 drivers/kvm/irq.c
create mode 100644 drivers/kvm/irq.h
create mode 100644 drivers/kvm/lapic.c
diff --git a/include/asm-x86/io_apic_32.h b/include/asm-x86/io_apic_32.h
index dbe734d..3f08788 100644
--- a/include/asm-x86/io_apic_32.h
+++ b/include/asm-x86/io_apic_32.h
@@ -11,8 +11,6 @@
* Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar
*/
-#ifdef CONFIG_X86_IO_APIC
-
/*
* The structure of the IO-APIC:
*/
@@ -55,12 +53,6 @@ union IO_APIC_reg_03 {
} __attribute__ ((packed)) bits;
};
-/*
- * # of IO-APICs and # of IRQ routing registers
- */
-extern int nr_ioapics;
-extern int nr_ioapic_registers[MAX_IO_APICS];
-
enum ioapic_irq_destination_types {
dest_Fixed = 0,
dest_LowestPrio = 1,
@@ -100,6 +92,14 @@ struct IO_APIC_route_entry {
} __attribute__ ((packed));
+#ifdef CONFIG_X86_IO_APIC
+
+/*
+ * # of IO-APICs and # of IRQ routing registers
+ */
+extern int nr_ioapics;
+extern int nr_ioapic_registers[MAX_IO_APICS];
+
/*
* MP-BIOS irq configuration table structures:
*/
diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h
index 5404e90..199cab1 100644
--- a/include/asm-x86/processor-flags.h
+++ b/include/asm-x86/processor-flags.h
@@ -63,7 +63,7 @@
/*
* x86-64 Task Priority Register, CR8
*/
-#define X86_CR8_TPR 0x00000007 /* task priority register */
+#define X86_CR8_TPR 0x0000000F /* task priority register */
/*
* AMD and Transmeta use MSRs for configuration; see <asm/msr-index.h>
-
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