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25fedfca94
linux/arch/powerpc/kvm
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Paul Mackerras 25fedfca94 KVM: PPC: Book3S HV: Move vcore preemption point up into kvmppc_run_vcpu 
Rather than calling cond_resched() in kvmppc_run_core() before doing
the post-processing for the vcpus that we have just run (that is,
calling kvmppc_handle_exit_hv(), kvmppc_set_timer(), etc.), we now do
that post-processing before calling cond_resched(), and that post-
processing is moved out into its own function, post_guest_process().

The reschedule point is now in kvmppc_run_vcpu() and we define a new
vcore state, VCORE_PREEMPT, to indicate that that the vcore's runner
task is runnable but not running.  (Doing the reschedule with the
vcore in VCORE_INACTIVE state would be bad because there are potentially
other vcpus waiting for the runner in kvmppc_wait_for_exec() which
then wouldn't get woken up.)

Also, we make use of the handy cond_resched_lock() function, which
unlocks and relocks vc->lock for us around the reschedule.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
2015-04-21 15:21:32 +02:00
..
book3s_32_mmu_host.c KVM: PPC: Book3S: Make magic page properly 4k mappable 2014-07-28 15:23:11 +02:00
book3s_32_mmu.c arch: powerpc: kvm: book3s_32_mmu.c: Remove unused function 2014-12-17 13:12:25 +01:00
book3s_32_sr.S KVM: PPC: book3s_pr: Simplify transitions between virtual and real mode 2011-09-25 19:52:29 +03:00
book3s_64_mmu_host.c KVM: PPC: Book3S: Make magic page properly 4k mappable 2014-07-28 15:23:11 +02:00
book3s_64_mmu_hv.c KVM: PPC: Book3S HV: Create debugfs file for each guest's HPT 2015-04-21 15:21:31 +02:00
book3s_64_mmu.c KVM: PPC: Disable NX for old magic page using guests 2014-05-30 14:26:24 +02:00
book3s_64_slb.S KVM: PPC: Book3S PR: Rework SLB switching code 2014-05-30 14:26:30 +02:00
book3s_64_vio_hv.c KVM: PPC: Book3S: Introduce hypervisor call H_GET_TCE 2014-03-26 23:34:27 +11:00
book3s_64_vio.c ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag 2013-08-26 13:19:56 +03:00
book3s_emulate.c KVM: PPC: PR: Handle FSCR feature deselects 2014-07-31 10:23:46 +02:00
book3s_exports.c KVM: PPC: Make shared struct aka magic page guest endian 2014-05-30 14:26:21 +02:00
book3s_hv_builtin.c KVM: PPC: Book3S HV: Add fast real-mode H_RANDOM implementation. 2015-04-21 15:21:29 +02:00
book3s_hv_interrupts.S powerpc/kvm: Create proper names for the kvm_host_state PMU fields 2014-12-29 15:45:55 +11:00
book3s_hv_ras.c KVM: PPC: Book3S HV: Remove code for PPC970 processors 2014-12-17 13:44:03 +01:00
book3s_hv_rm_mmu.c KVM: PPC: Book3S HV: Add helpers for lock/unlock hpte 2015-04-21 15:21:29 +02:00
book3s_hv_rm_xics.c KVM: PPC: Book3S HV: Add ICP real mode counters 2015-04-21 15:21:30 +02:00
book3s_hv_rmhandlers.S KVM: PPC: Book3S HV: Minor cleanups 2015-04-21 15:21:32 +02:00
book3s_hv.c KVM: PPC: Book3S HV: Move vcore preemption point up into kvmppc_run_vcpu 2015-04-21 15:21:32 +02:00
book3s_interrupts.S KVM: PPC: Book3S PR: Fix ABIv2 on LE 2014-07-28 15:22:15 +02:00
book3s_mmu_hpte.c kvm: powerpc: book3s: pr: move PR related tracepoints to a separate header 2013-10-17 15:36:22 +02:00
book3s_paired_singles.c arch: powerpc: kvm: book3s_paired_singles.c: Remove unused function 2014-12-17 13:13:29 +01:00
book3s_pr_papr.c kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM 2015-04-21 15:21:28 +02:00
book3s_pr.c arch: powerpc: kvm: book3s_pr.c: Remove unused function 2014-12-17 13:13:16 +01:00
book3s_rmhandlers.S KVM: PPC: Book3S PR: Fix ABIv2 on LE 2014-07-28 15:22:15 +02:00
book3s_rtas.c KVM: PPC: RTAS: Do byte swaps explicitly 2014-07-07 23:17:20 +02:00
book3s_segment.S KVM: PPC: Book3S PR: Handle Facility interrupt and FSCR 2014-05-30 14:26:22 +02:00
book3s_xics.c KVM: PPC: Book3S HV: Add ICP real mode counters 2015-04-21 15:21:30 +02:00
book3s_xics.h KVM: PPC: Book3S HV: Add ICP real mode counters 2015-04-21 15:21:30 +02:00
book3s.c kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM 2015-04-21 15:21:28 +02:00
book3s.h kvm: Fix page ageing bugs 2014-09-24 14:07:58 +02:00
booke_emulate.c KVM: PPC: BOOKE: Emulate debug registers and exception 2014-09-22 10:11:33 +02:00
booke_interrupts.S KVM: PPC: Remove 440 support 2014-07-28 15:23:15 +02:00
booke.c kvm: add halt_poll_ns module parameter 2015-02-06 13:08:37 +01:00
booke.h KVM: PPC: Book3e: Add AltiVec support 2014-09-22 10:11:32 +02:00
bookehv_interrupts.S powerpc/kvm: common sw breakpoint instr across ppc 2014-09-22 10:11:36 +02:00
e500_emulate.c KVM: PPC: Book3e: Add AltiVec support 2014-09-22 10:11:32 +02:00
e500_mmu_host.c treewide: fix typo in printk and Kconfig 2014-11-20 14:56:11 +01:00
e500_mmu_host.h KVM: PPC: E500: Make clear_tlb_refs and clear_tlb1_bitmap static 2013-01-24 19:23:33 +01:00
e500_mmu.c KVM: PPC: e500: Fix bad address type in deliver_tlb_misss() 2014-01-27 16:00:54 +01:00
e500.c 3.19 changes for KVM: 2014-12-18 16:05:28 -08:00
e500.h KVM: PPC: e500mc: Add support for single threaded vcpus on e6500 core 2014-09-22 10:11:35 +02:00
e500mc.c powerpc: Replace __get_cpu_var uses 2014-11-03 12:12:32 +11:00
emulate_loadstore.c KVM: PPC: Pass enum to kvmppc_get_last_inst 2014-09-22 10:11:36 +02:00
emulate.c KVM: PPC: Pass enum to kvmppc_get_last_inst 2014-09-22 10:11:36 +02:00
fpu.S powerpc: Remove fpscr use from [kvm_]cvt_{fd,df} 2010-09-02 14:07:32 +10:00
irq.h KVM: PPC: Book3S: Add API for in-kernel XICS emulation 2013-05-02 15:28:36 +02:00
Kconfig KVM: PPC: Book3S HV: Accumulate timing information for real-mode code 2015-04-21 15:21:31 +02:00
Makefile Here are the PPC and ARM changes for KVM, which I separated because 2014-08-07 11:35:30 -07:00
mpic.c kvm/ppc/mpic: drop unused IRQ_testbit 2015-04-08 10:46:58 +02:00
powerpc.c KVM: PPC: Book3S HV: Add fast real-mode H_RANDOM implementation. 2015-04-21 15:21:29 +02:00
timing.c KVM: PPC: Remove DCR handling 2014-07-28 19:29:15 +02:00
timing.h KVM: PPC: Remove DCR handling 2014-07-28 19:29:15 +02:00
trace_book3s.h KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions 2014-12-17 13:29:27 +01:00
trace_booke.h KVM: PPC: BookE: Improve irq inject tracepoint 2014-12-15 13:27:23 +01:00
trace_hv.h KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions 2014-12-17 13:29:27 +01:00
trace_pr.h KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions 2014-12-17 13:29:27 +01:00
trace.h kvm: powerpc: booke: Move booke related tracepoints to separate header 2013-10-17 15:37:16 +02:00