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linux-stable/arch/powerpc/kvm
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Sebastian Andrzej Siewior 419af25fa4 KVM/PPC/Book3S HV: Use cpuhp_setup_state_nocalls_cpuslocked() 
kvmppc_alloc_host_rm_ops() holds get_online_cpus() while invoking
cpuhp_setup_state_nocalls().

cpuhp_setup_state_nocalls() invokes get_online_cpus() as well. This is
correct, but prevents the conversion of the hotplug locking to a percpu
rwsem.

Use cpuhp_setup_state_nocalls_cpuslocked() to avoid the nested
call. Convert *_online_cpus() to the new interfaces while at it.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: kvm@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: kvm-ppc@vger.kernel.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Alexander Graf <agraf@suse.com>
Link: http://lkml.kernel.org/r/20170524081547.809616236@linutronix.de
2017-05-26 10:10:39 +02:00
..
book3s.c * ARM: HYP mode stub supports kexec/kdump on 32-bit; improved PMU 2017-05-08 12:37:56 -07:00
book3s.h kvm: Fix page ageing bugs 2014-09-24 14:07:58 +02:00
book3s_32_mmu.c KVM: PPC: Book3S PR: Ratelimit copy data failure error messages 2017-02-17 14:03:35 +11:00
book3s_32_mmu_host.c powerpc/mm: Move hash related mmu-*.h headers to book3s/ 2016-03-03 21:19:21 +11:00
book3s_32_sr.S
book3s_64_mmu.c KVM: PPC: Book3S PR: Preserve storage control bits 2017-04-20 11:38:14 +10:00
book3s_64_mmu_host.c * ARM: HYP mode stub supports kexec/kdump on 32-bit; improved PMU 2017-05-08 12:37:56 -07:00
book3s_64_mmu_hv.c KVM: PPC: Book3S HV: Check for kmalloc errors in ioctl 2017-04-06 15:50:43 +10:00
book3s_64_mmu_radix.c KVM: PPC: Book3S HV: Fix software walk of guest process page tables 2017-03-01 11:53:45 +11:00
book3s_64_slb.S KVM: PPC: Book3S PR: Rework SLB switching code 2014-05-30 14:26:30 +02:00
book3s_64_vio.c KVM: PPC: VFIO: Add in-kernel acceleration for VFIO 2017-04-20 11:39:26 +10:00
book3s_64_vio_hv.c KVM: PPC: Book3S HV: Add radix checks in real-mode hypercall handlers 2017-05-12 15:08:09 +10:00
book3s_emulate.c KVM: PPC: Book3S PR: Do not fail emulation with mtspr/mfspr for unknown SPRs 2017-04-20 11:39:32 +10:00
book3s_exports.c KVM: PPC: Make shared struct aka magic page guest endian 2014-05-30 14:26:21 +02:00
book3s_hv.c KVM/PPC/Book3S HV: Use cpuhp_setup_state_nocalls_cpuslocked() 2017-05-26 10:10:39 +02:00
book3s_hv_builtin.c KVM: PPC: Book3S HV: Add radix checks in real-mode hypercall handlers 2017-05-12 15:08:09 +10:00
book3s_hv_hmi.c powerpc: move hmi.c to arch/powerpc/kvm/ 2016-09-09 16:18:07 +10:00
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: Move prototypes for KVM functions into kvm_ppc.h 2016-12-01 14:03:46 +11:00
book3s_hv_rm_mmu.c power/mm: update pte_write and pte_wrprotect to handle savedwrite 2017-03-09 17:01:09 -08:00
book3s_hv_rm_xics.c Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD 2017-05-09 11:50:01 +02:00
book3s_hv_rm_xive.c KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
book3s_hv_rmhandlers.S KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
book3s_interrupts.S powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
book3s_mmu_hpte.c sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h> 2017-03-02 08:42:38 +01:00
book3s_paired_singles.c powerpc: Create disable_kernel_{fp,altivec,vsx,spe}() 2015-12-01 13:52:25 +11:00
book3s_pr.c KVM: add kvm_{test,clear}_request to replace {test,clear}_bit 2017-04-27 14:12:22 +02:00
book3s_pr_papr.c KVM: PPC: Book3S PR: Don't include SPAPR TCE code on non-pseries platforms 2017-05-12 15:32:30 +10:00
book3s_rmhandlers.S powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
book3s_rtas.c KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
book3s_segment.S KVM: PPC: Book3S: 64-bit CONFIG_RELOCATABLE support for interrupts 2017-01-31 19:07:39 +11:00
book3s_xics.c Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD 2017-05-09 11:50:01 +02:00
book3s_xics.h KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
book3s_xive.c Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD 2017-05-09 11:50:01 +02:00
book3s_xive.h KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
book3s_xive_template.c KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
booke.c KVM: add kvm_{test,clear}_request to replace {test,clear}_bit 2017-04-27 14:12:22 +02:00
booke.h KVM: PPC: Book3e: Add AltiVec support 2014-09-22 10:11:32 +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
bookehv_interrupts.S powerpc/kvm: common sw breakpoint instr across ppc 2014-09-22 10:11:36 +02:00
e500.c KVM: PPC: e500: fix handling local_sid_lookup result 2015-10-15 15:58:16 +11:00
e500.h kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
e500_emulate.c KVM: PPC: e500: Emulate TMCFG0 TMRN register 2015-10-15 15:58:16 +11:00
e500_mmu.c KVM: PPC: e500: Rename jump labels in kvmppc_e500_tlb_init() 2016-09-13 14:32:47 +10:00
e500_mmu_host.c KVM: PPC: e500: Use kcalloc() in e500_mmu_host_init() 2017-04-20 11:37:55 +10:00
e500_mmu_host.h
e500mc.c powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
emulate.c KVM: PPC: Book3S PR: Do not fail emulation with mtspr/mfspr for unknown SPRs 2017-04-20 11:39:32 +10:00
emulate_loadstore.c KVM: PPC: Add MMIO emulation for remaining floating-point instructions 2017-04-20 11:37:44 +10:00
fpu.S
irq.h KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller 2017-04-27 21:37:29 +10:00
Kconfig KVM: PPC: Book3S PR: Don't include SPAPR TCE code on non-pseries platforms 2017-05-12 15:32:30 +10:00
Makefile KVM: PPC: Book3S PR: Don't include SPAPR TCE code on non-pseries platforms 2017-05-12 15:32:30 +10:00
mpic.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
powerpc.c KVM: PPC: Book3S PR: Don't include SPAPR TCE code on non-pseries platforms 2017-05-12 15:32:30 +10:00
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.h kvm: powerpc: booke: Move booke related tracepoints to separate header 2013-10-17 15:37:16 +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: Comment style and print format fixups 2016-11-28 11:48:47 +11:00
trace_pr.h kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00