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572abd563b
linux/arch/powerpc/kvm
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Paul Mackerras 572abd563b KVM: PPC: Book3S HV: Don't fall back to smaller HPT size in allocation ioctl 
Currently the KVM_PPC_ALLOCATE_HTAB will try to allocate the requested
size of HPT, and if that is not possible, then try to allocate smaller
sizes (by factors of 2) until either a minimum is reached or the
allocation succeeds.  This is not ideal for userspace, particularly in
migration scenarios, where the destination VM really does require the
size requested.  Also, the minimum HPT size of 256kB may be
insufficient for the guest to run successfully.

This removes the fallback to smaller sizes on allocation failure for
the KVM_PPC_ALLOCATE_HTAB ioctl.  The fallback still exists for the
case where the HPT is allocated at the time the first VCPU is run, if
no HPT has been allocated by ioctl by that time.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2015-10-21 16:24:57 +11:00
..
book3s_32_mmu_host.c KVM: PPC: Fix warnings from sparse 2015-08-22 11:16:16 +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: Fix warnings from sparse 2015-08-22 11:16:16 +02:00
book3s_64_mmu_hv.c KVM: PPC: Book3S HV: Don't fall back to smaller HPT size in allocation ioctl 2015-10-21 16:24:57 +11:00
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: Fix warnings from sparse 2015-08-22 11:16:16 +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: Implement dynamic micro-threading on POWER8 2015-08-22 11:16:17 +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 powerpc/book3s: Fix flush_tlb cpu_spec hook to take a generic argument. 2015-03-17 07:52:48 +11:00
book3s_hv_rm_mmu.c KVM: PPC: Book3S HV: Implement H_CLEAR_REF and H_CLEAR_MOD 2015-08-22 11:16:18 +02:00
book3s_hv_rm_xics.c KVM: PPC: Book3S HV: Make use of unused threads when running guests 2015-08-22 11:16:17 +02:00
book3s_hv_rmhandlers.S KVM: PPC: Book3S HV: Deliver machine check with MSR(RI=0) to guest as MCE 2015-10-16 11:53:47 +11:00
book3s_hv.c KVM: PPC: Book3S HV: Fix handling of interrupted VCPUs 2015-09-21 09:00:47 +10:00
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 KVM: PPC: Fix warnings from sparse 2015-08-22 11:16:16 +02:00
book3s_pr_papr.c kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM 2015-04-21 15:21:28 +02:00
book3s_pr.c KVM: add "new" argument to kvm_arch_commit_memory_region 2015-05-28 10:42:58 +02:00
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: correct width in XER handling 2015-08-22 11:16:19 +02:00
book3s_xics.c KVM: PPC: Book3S: Fix typo in top comment about locking 2015-09-04 07:28:05 +10:00
book3s_xics.h KVM: PPC: Book3S HV: Add ICP real mode counters 2015-04-21 15:21:30 +02:00
book3s.c KVM: PPC: Book3S: Take the kvm->srcu lock in kvmppc_h_logical_ci_load/store() 2015-09-21 09:05:15 +10:00
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_attempted_poll to VCPU stats 2015-09-16 12:17:00 +02:00
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: e500: Emulate TMCFG0 TMRN register 2015-10-15 15:58:16 +11:00
e500_mmu_host.c KVM: PPC: e500: fix couple of shift operations on 64 bits 2015-10-15 15:59:19 +11:00
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: fix suspicious use of conditional operator 2015-08-22 11:16:16 +02:00
e500.c KVM: PPC: e500: fix handling local_sid_lookup result 2015-10-15 15:58:16 +11:00
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: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig 2015-08-22 11:16:16 +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: Fix warnings from sparse 2015-08-22 11:16:16 +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