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2011-05-22caif: Bugfix add check NULL pointer before calling functions.sjur.brandeland@stericsson.com
Add check on layer->dn != NULL before calling functions in layer below. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-22Give up on pushing CC_OPTIMIZE_FOR_SIZELinus Torvalds
I still happen to believe that I$ miss costs are a major thing, but sadly, -Os doesn't seem to be the solution. With or without it, gcc will miss some obvious code size improvements, and with it enabled gcc will sometimes make choices that aren't good even with high I$ miss ratios. For example, with -Os, gcc on x86 will turn a 20-byte constant memcpy into a "rep movsl". While I sincerely hope that x86 CPU's will some day do a good job at that, they certainly don't do it yet, and the cost is higher than a L1 I$ miss would be. Some day I hope we can re-enable this. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-22Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6Linus Torvalds
* 'viafb-next' of git://github.com/schandinat/linux-2.6: (24 commits) viafb: Automatic OLPC XO-1.5 configuration viafb: remove unused CEA mode viafb: try to map less memory in case of failure viafb: use write combining for video ram viafb: add X server compatibility mode viafb: reduce OLPC refresh a bit viafb: fix OLPC XO 1.5 device connection viafb: fix OLPC DCON refresh rate viafb: delete clock and PLL initialization viafb: replace custom return values viafb: some small cleanup for global variables viafb: gather common good, old VGA initialization in one place viafb: add engine clock support viafb: add VIA slapping capability viafb: split clock and PLL code to an extra file viafb: add primary/secondary clock on/off switches viafb: add clock source selection and PLL power management support viafb: prepare for PLL separation viafb: call viafb_get_clk_value only in viafb_set_vclock viafb: remove unused max_hres/vres ...
2011-05-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6: [PARISC] wire up syncfs syscall [PARISC] wire up the fhandle syscalls [PARISC] wire up clock_adjtime syscall [PARISC] wire up fanotify syscalls [PARISC] prevent speculative re-read on cache flush [PARISC] only make executable areas executable [PARISC] fix pacache .size with new binutils
2011-05-22net: add missing prefetch.h includeHeiko Carstens
Fixes build errors on s390 and probably other archs as well: In file included from net/ipv4/ip_forward.c:32:0: include/net/udp.h: In function 'udp_csum_outgoing': include/net/udp.h:141:2: error: implicit declaration of function 'prefetch' Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-22fs: add missing prefetch.h includeHeiko Carstens
Fixes this build error on s390 and probably other archs as well: fs/inode.c: In function 'new_inode': fs/inode.c:894:2: error: implicit declaration of function 'spin_lock_prefetch' Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> [ Happens on architectures that don't define their own prefetch functions in <asm/processor.h>, and instead rely on the default ones in <linux/prefetch.h> - Linus] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-22KVM: MMU: Use ptep_user for cmpxchg_gpte()Takuya Yoshikawa
The address of the gpte was already calculated and stored in ptep_user before entering cmpxchg_gpte(). This patch makes cmpxchg_gpte() to use that to make it clear that we are using the same address during walk_addr_generic(). Note that the unlikely annotations are used to show that the conditions are something unusual rather than for performance. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-05-22KVM: Fix kvm mmu_notifier initialization orderOGAWA Hirofumi
Like the following, mmu_notifier can be called after registering immediately. So, kvm have to initialize kvm->mmu_lock before it. BUG: spinlock bad magic on CPU#0, kswapd0/342 lock: ffff8800af8c4000, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 Pid: 342, comm: kswapd0 Not tainted 2.6.39-rc5+ #1 Call Trace: [<ffffffff8118ce61>] spin_bug+0x9c/0xa3 [<ffffffff8118ce91>] do_raw_spin_lock+0x29/0x13c [<ffffffff81024923>] ? flush_tlb_others_ipi+0xaf/0xfd [<ffffffff812e22f3>] _raw_spin_lock+0x9/0xb [<ffffffffa0582325>] kvm_mmu_notifier_clear_flush_young+0x2c/0x66 [kvm] [<ffffffff810d3ff3>] __mmu_notifier_clear_flush_young+0x2b/0x57 [<ffffffff810c8761>] page_referenced_one+0x88/0xea [<ffffffff810c89bf>] page_referenced+0x1fc/0x256 [<ffffffff810b2771>] shrink_page_list+0x187/0x53a [<ffffffff810b2ed7>] shrink_inactive_list+0x1e0/0x33d [<ffffffff810acf95>] ? determine_dirtyable_memory+0x15/0x27 [<ffffffff812e90ee>] ? call_function_single_interrupt+0xe/0x20 [<ffffffff810b3356>] shrink_zone+0x322/0x3de [<ffffffff810a9587>] ? zone_watermark_ok_safe+0xe2/0xf1 [<ffffffff810b3928>] kswapd+0x516/0x818 [<ffffffff810b3412>] ? shrink_zone+0x3de/0x3de [<ffffffff81053d17>] kthread+0x7d/0x85 [<ffffffff812e9394>] kernel_thread_helper+0x4/0x10 [<ffffffff81053c9a>] ? __init_kthread_worker+0x37/0x37 [<ffffffff812e9390>] ? gs_change+0xb/0xb Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: Add documentation for KVM_CAP_NR_VCPUSPekka Enberg
Document KVM_CAP_NR_VCPUS that can be used by the userspace to determine maximum number of VCPUs it can create with the KVM_CREATE_VCPU ioctl. Cc: Avi Kivity <avi@redhat.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: make guest mode entry to be rcu quiescent stateGleb Natapov
KVM does not hold any references to rcu protected data when it switches CPU into a guest mode. In fact switching to a guest mode is very similar to exiting to userspase from rcu point of view. In addition CPU may stay in a guest mode for quite a long time (up to one time slice). Lets treat guest mode as quiescent state, just like we do with user-mode execution. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22Merge commit '29ce831000081dd757d3116bf774aafffc4b6b20' into nextAvi Kivity
* commit '29ce831000081dd757d3116bf774aafffc4b6b20': (34 commits) rcu: provide rcu_virt_note_context_switch() function. rcu: get rid of signed overflow in check_cpu_stall() rcu: optimize rcutiny rcu: prevent call_rcu() from diving into rcu core if irqs disabled rcu: further lower priority in rcu_yield() rcu: introduce kfree_rcu() rcu: fix spelling rcu: call __rcu_read_unlock() in exit_rcu for tree RCU rcu: Converge TINY_RCU expedited and normal boosting rcu: remove useless ->boosted_this_gp field rcu: code cleanups in TINY_RCU priority boosting. rcu: Switch to this_cpu() primitives rcu: Use WARN_ON_ONCE for DEBUG_OBJECTS_RCU_HEAD warnings rcu: mark rcutorture boosting callback as being on-stack rcu: add DEBUG_OBJECTS_RCU_HEAD check for alignment rcu: Enable DEBUG_OBJECTS_RCU_HEAD from !PREEMPT rcu: Add forward-progress diagnostic for per-CPU kthreads rcu: add grace-period age and more kthread state to tracing rcu: fix tracing bug thinko on boost-balk attribution rcu: update tracing documentation for new rcutorture and rcuboost ... Pulling in rcu_virt_note_context_switch(). Signed-off-by: Avi Kivity <avi@redhat.com> * commit '29ce831000081dd757d3116bf774aafffc4b6b20': (34 commits) rcu: provide rcu_virt_note_context_switch() function. rcu: get rid of signed overflow in check_cpu_stall() rcu: optimize rcutiny rcu: prevent call_rcu() from diving into rcu core if irqs disabled rcu: further lower priority in rcu_yield() rcu: introduce kfree_rcu() rcu: fix spelling rcu: call __rcu_read_unlock() in exit_rcu for tree RCU rcu: Converge TINY_RCU expedited and normal boosting rcu: remove useless ->boosted_this_gp field rcu: code cleanups in TINY_RCU priority boosting. rcu: Switch to this_cpu() primitives rcu: Use WARN_ON_ONCE for DEBUG_OBJECTS_RCU_HEAD warnings rcu: mark rcutorture boosting callback as being on-stack rcu: add DEBUG_OBJECTS_RCU_HEAD check for alignment rcu: Enable DEBUG_OBJECTS_RCU_HEAD from !PREEMPT rcu: Add forward-progress diagnostic for per-CPU kthreads rcu: add grace-period age and more kthread state to tracing rcu: fix tracing bug thinko on boost-balk attribution rcu: update tracing documentation for new rcutorture and rcuboost ...
2011-05-22KVM: x86 emulator: Make jmp far emulation into a separate functionTakuya Yoshikawa
We introduce em_jmp_far(). We also call this from em_grp45() to stop treating modrm_reg == 5 case separately in the group 5 emulation. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Rename emulate_grpX() to em_grpX()Takuya Yoshikawa
The prototypes are changed appropriately. We also replaces "goto grp45;" with simple em_grp45() call. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Remove unused arg from emulate_pop()Takuya Yoshikawa
The opt of emulate_grp1a() is also removed. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Remove unused arg from writeback()Takuya Yoshikawa
Remove inline at this chance. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Remove unused arg from read_descriptor()Takuya Yoshikawa
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Remove unused arg from seg_override()Takuya Yoshikawa
In addition, one comma at the end of a statement is replaced with a semicolon. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: Validate userspace_addr of memslot when registeredTakuya Yoshikawa
This way, we can avoid checking the user space address many times when we read the guest memory. Although we can do the same for write if we check which slots are writable, we do not care write now: reading the guest memory happens more often than writing. [avi: change VERIFY_READ to VERIFY_WRITE] Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: MMU: Clean up gpte reading with copy_from_user()Takuya Yoshikawa
When we optimized walk_addr_generic() by not using the generic guest memory reader, we replaced copy_from_user() with get_user(): commit e30d2a170506830d5eef5e9d7990c5aedf1b0a51 KVM: MMU: Optimize guest page table walk commit 15e2ac9a43d4d7d08088e404fddf2533a8e7d52e KVM: MMU: Fix 64-bit paging breakage on x86_32 But as Andi pointed out later, copy_from_user() does the same as get_user() as long as we give a constant size to it. So we use copy_from_user() to clean up the code. The only, noticeable, regression introduced by this is 64-bit gpte reading on x86_32 hosts needed for PAE guests. But this can be mitigated by implementing 8-byte get_user() for x86_32, if needed. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: PPC: booke: add sregs supportScott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-22KVM: PPC: booke: save/restore VRSAVE (a.k.a. USPRG0)Scott Wood
Linux doesn't use USPRG0 (now renamed VRSAVE in the architecture, even when Altivec isn't involved), but a guest might. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-22KVM: PPC: use ticks, not usecs, for exit timingStuart Yoder
Convert to microseconds when displaying (with fix from Bharat Bhushan <Bharat.Bhushan@freescale.com>). This reduces rounding error with large quantities of short exits. Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-22KVM: PPC: fix exit accounting for SPRs, tlbwe, tlbsxScott Wood
The exit type setting for mfspr/mtspr is moved from 44x to toplevel SPR emulation. This enables it on e500, and makes sure that all SPRs are covered. Exit accounting for tlbwe and tlbsx is added to e500. Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-22KVM: PPC: e500: emulate SVRScott Wood
Return the actual host SVR for now, as we already do for PVR. Eventually we may support Qemu overriding PVR/SVR if the situation is appropriate, once we implement KVM_SET_SREGS on e500. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-22KVM: VMX: Cache vmcs segment fieldsAvi Kivity
Since the emulator now checks segment limits and access rights, it generates a lot more accesses to the vmcs segment fields. Undo some of the performance hit by cacheing those fields in a read-only cache (the entire cache is invalidated on any write, or on guest exit). Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: consolidate segment accessorsAvi Kivity
Instead of separate accessors for the segment selector and cached descriptor, use one accessor for both. This simplifies the code somewhat. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: VMX: Avoid reading %rip unnecessarily when handling exceptionsAvi Kivity
Avoids a VMREAD. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: SVM: Make dump_vmcb static, reduce textJoe Perches
dump_vmcb isn't used outside this module, make it static. Shrink text and object by ~1% by standardizing formats. $ size arch/x86/kvm/svm.o* text data bss dec hex filename 52910 580 10072 63562 f84a arch/x86/kvm/svm.o.new 53563 580 10072 64215 fad7 arch/x86/kvm/svm.o.old Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: MMU: Fix 64-bit paging breakage on x86_32Takuya Yoshikawa
Fix regression introduced by commit e30d2a170506830d5eef5e9d7990c5aedf1b0a51 KVM: MMU: Optimize guest page table walk On x86_32, get_user() does not support 64-bit values and we fail to build KVM at the point of 64-bit paging. This patch fixes this by using get_user() twice for that condition. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Reported-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: ia64: fix sparse warningsJeff Mahoney
This patch fixes some sparse warning about "dubious one-bit signed bitfield." Signed-off-by: Jeff Mahoney <jeffm@suse.com> Originally-by: Jan Blunck <jblunck@suse.de> Signed-off-by: Jan Blunck <jblunck@suse.de> Acked-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: Add CPUID support for VIA CPUBrillyWu@viatech.com.cn
The CPUIDs for Centaur are added, and then the features of PadLock hardware engine on VIA CPU, such as "ace", "ace_en" and so on, can be passed into the kvm guest. Signed-off-by: Brilly Wu <brillywu@viatech.com.cn> Signed-off-by: Kary Jin <karyjin@viatech.com.cn> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: call cache_all_regs() only once during instruction emulationGleb Natapov
Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: Fix compound mmioGleb Natapov
mmio_index should be taken into account when copying data from userspace. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: emulator: Propagate fault in far jump emulationGleb Natapov
Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: mmio_fault_cr2 is not usedGleb Natapov
Remove unused variable mmio_fault_cr2. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: consolidate group handlingAvi Kivity
Move all groups into a single field and handle them in a single place. This saves bits when we add more group types (3 bits -> 7 groups types). Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: MMU: Add unlikely() annotations to walk_addr_generic()Avi Kivity
walk_addr_generic() is a hot path and is also hard for the cpu to predict - some of the parameters (fetch_fault in particular) vary wildly from invocation to invocation. Add unlikely() annotations where appropriate; all walk failures are considered unlikely, as are cases where we have to mark the accessed or dirty bit, as they are slow paths both in kvm and on real processors. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Use opcode::execute for PUSHF/POPF (9C/9D)Takuya Yoshikawa
For this, em_pushf/popf() are introduced. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Use opcode::execute for PUSHA/POPA (60/61)Takuya Yoshikawa
For this, emulate_pusha/popa() are converted to em_pusha/popa(). Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Use opcode::execute for POP reg (58-5F)Takuya Yoshikawa
In addition, the RET emulation is changed to call em_pop() to remove the pop_instruction label. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Use opcode::execute for Group 1, CMPS and SCASTakuya Yoshikawa
The following instructions are changed to use opcode::execute. Group 1 (80-83) ADD (00-05), OR (08-0D), ADC (10-15), SBB (18-1D), AND (20-25), SUB (28-2D), XOR (30-35), CMP (38-3D) CMPS (A6-A7), SCAS (AE-AF) The last two do the same as CMP in the emulator, so em_cmp() is used. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: MMU: Optimize guest page table walkTakuya Yoshikawa
This patch optimizes the guest page table walk by using get_user() instead of copy_from_user(). With this patch applied, paging64_walk_addr_generic() has become about 0.5us to 1.0us faster on my Phenom II machine with NPT on. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: SVM: Get rid of x86_intercept_map::validAvi Kivity
By reserving 0 as an invalid x86_intercept_stage, we no longer need to store a valid flag in x86_intercept_map. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Use opcode::execute for 0F 01 opcodeAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: Don't force #UD for 0F 01 /5Avi Kivity
While it isn't defined, no need to force a #UD. If it becomes defined in the future this can cause wierd problems for the guest. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: move 0F 01 sub-opcodes into their own functionsAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: fix const value warning on i386 in svm insn RAX checkRandy Dunlap
arch/x86/kvm/emulate.c:2598: warning: integer constant is too large for 'long' type Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: x86 emulator: avoid calling wbinvd() macroClemens Noss
Commit 0b56652e33c72092956c651ab6ceb9f0ad081153 fails to build: CC [M] arch/x86/kvm/emulate.o arch/x86/kvm/emulate.c: In function 'x86_emulate_insn': arch/x86/kvm/emulate.c:4095:25: error: macro "wbinvd" passed 1 arguments, but takes just 0 arch/x86/kvm/emulate.c:4095:3: warning: statement with no effect make[2]: *** [arch/x86/kvm/emulate.o] Error 1 make[1]: *** [arch/x86/kvm] Error 2 make: *** [arch/x86] Error 2 Work around this for now. Signed-off-by: Clemens Noss <cnoss@gmx.de> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: ioapic: Fix an error field referenceLiu Yuan
Function ioapic_debug() in the ioapic_deliver() misnames one filed by reference. This patch correct it. Signed-off-by: Liu Yuan <tailai.ly@taobao.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22KVM: MMU: Make cmpxchg_gpte aware of nesting tooRoedel, Joerg
This patch makes the cmpxchg_gpte() function aware of the difference between l1-gfns and l2-gfns when nested virtualization is in use. This fixes a potential data-corruption problem in the l1-guest and makes the code work correct (at least as correct as the hardware which is emulated in this code) again. Cc: stable@kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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