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19ce7909ed
linux_dsm_epyc7002/arch/powerpc/kvm
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Nicholas Piggin 19ce7909ed KVM: PPC: Book3S HV: trace_tlbie must not be called in realmode 
This crashes with a "Bad real address for load" attempting to load
from the vmalloc region in realmode (faulting address is in DAR).

  Oops: Bad interrupt in KVM entry/exit code, sig: 6 [#1]
  LE SMP NR_CPUS=2048 NUMA PowerNV
  CPU: 53 PID: 6582 Comm: qemu-system-ppc Not tainted 4.16.0-01530-g43d1859f0994
  NIP:  c0000000000155ac LR: c0000000000c2430 CTR: c000000000015580
  REGS: c000000fff76dd80 TRAP: 0200   Not tainted  (4.16.0-01530-g43d1859f0994)
  MSR:  9000000000201003 <SF,HV,ME,RI,LE>  CR: 48082222  XER: 00000000
  CFAR: 0000000102900ef0 DAR: d00017fffd941a28 DSISR: 00000040 SOFTE: 3
  NIP [c0000000000155ac] perf_trace_tlbie+0x2c/0x1a0
  LR [c0000000000c2430] do_tlbies+0x230/0x2f0

I suspect the reason is the per-cpu data is not in the linear chunk.
This could be restored if that was able to be fixed, but for now,
just remove the tracepoints.

Fixes: 0428491cba ("powerpc/mm: Trace tlbie(l) instructions")
Cc: stable@vger.kernel.org # v4.13+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-04-11 12:35:33 +10:00
..
book3s_32_mmu_host.c
book3s_32_mmu.c
book3s_32_sr.S
book3s_64_mmu_host.c
book3s_64_mmu_hv.c Second PPC KVM update for 4.16 2018-02-09 22:03:06 +01:00
book3s_64_mmu_radix.c powerpc fixes for 4.16 #6 2018-03-28 13:54:03 -10:00
book3s_64_mmu.c KVM: PPC: Book3S PR: Fix WIMG handling under pHyp 2018-01-10 20:45:00 +11:00
book3s_64_slb.S KVM: PPC: Book3S: Fix gas warning due to using r0 as immediate 0 2017-11-01 15:17:25 +11:00
book3s_64_vio_hv.c powerpc/mm: Rename find_linux_pte_or_hugepte() 2017-08-17 23:13:46 +10:00
book3s_64_vio.c KVM: PPC: Book3S: Protect kvmppc_gpa_to_ua() with SRCU 2017-10-14 11:35:41 +11:00
book3s_emulate.c
book3s_exports.c
book3s_hv_builtin.c powerpc/64: Use array of paca pointers and allocate pacas individually 2018-03-30 23:34:23 +11:00
book3s_hv_hmi.c
book3s_hv_interrupts.S powerpc/64s: Do not allocate lppaca if we are not virtualized 2018-03-30 23:34:22 +11:00
book3s_hv_ras.c Merge branch 'topic/ppc-kvm' into next 2018-01-21 22:43:43 +11:00
book3s_hv_rm_mmu.c KVM: PPC: Book3S HV: trace_tlbie must not be called in realmode 2018-04-11 12:35:33 +10:00
book3s_hv_rm_xics.c
book3s_hv_rm_xive.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
book3s_hv_rmhandlers.S powerpc updates for 4.17 2018-04-07 12:08:19 -07:00
book3s_hv_tm_builtin.c KVM: PPC: Book3S HV: Work around transactional memory bugs in POWER9 2018-03-24 00:39:13 +11:00
book3s_hv_tm.c KVM: PPC: Book3S HV: Work around transactional memory bugs in POWER9 2018-03-24 00:39:13 +11:00
book3s_hv.c powerpc updates for 4.17 2018-04-07 12:08:19 -07:00
book3s_interrupts.S KVM: PPC: Book3S PR: Fix svcpu copying with preemption enabled 2018-02-01 13:35:33 +11:00
book3s_mmu_hpte.c
book3s_paired_singles.c
book3s_pr_papr.c KVM: PPC: Book3S PR: Enable in-kernel TCE handlers for PR KVM 2017-10-14 16:38:19 +11:00
book3s_pr.c Second PPC KVM update for 4.16 2018-02-09 22:03:06 +01:00
book3s_rmhandlers.S powerpc/64s: Simple RFI macro conversions 2018-01-10 03:07:30 +11:00
book3s_rtas.c
book3s_segment.S powerpc/64s: Simple RFI macro conversions 2018-01-10 03:07:30 +11:00
book3s_xics.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
book3s_xics.h
book3s_xive_template.c KVM: PPC: Book3S HV: Don't access XIVE PIPR register using byte accesses 2017-09-12 16:02:07 +10:00
book3s_xive.c treewide/trivial: Remove ';;$' typo noise 2018-02-22 10:59:33 +01:00
book3s_xive.h KVM: PPC: Book3S HV: Enable use of the new XIVE "single escalation" feature 2018-01-19 12:10:21 +11:00
book3s.c KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_set_guest_debug 2017-12-14 09:26:56 +01:00
book3s.h
booke_emulate.c
booke_interrupts.S
booke.c KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_set_guest_debug 2017-12-14 09:26:56 +01:00
booke.h
bookehv_interrupts.S
e500_emulate.c
e500_mmu_host.c KVM: PPC: BookE: Use vma_pages function 2017-10-14 13:39:49 +11:00
e500_mmu_host.h
e500_mmu.c
e500.c KVM: PPC: e500: Fix some NULL dereferences on error 2017-08-31 12:36:44 +10:00
e500.h
e500mc.c KVM: PPC: e500mc: Fix a NULL dereference 2017-08-31 12:36:44 +10:00
emulate_loadstore.c KVM: PPC: Book3S: Add MMIO emulation for VMX instructions 2018-02-09 16:51:51 +11:00
emulate.c powerpc/64s: Remove POWER4 support 2018-04-01 00:47:50 +11:00
fpu.S
irq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig Second PPC KVM update for 4.16 2018-02-09 22:03:06 +01:00
Makefile KVM: PPC: Book3S HV: Work around transactional memory bugs in POWER9 2018-03-24 00:39:13 +11:00
mpic.c
powerpc.c Merge branch 'topic/ppc-kvm' into next 2018-03-24 08:43:18 +11:00
timing.c KVM: PPC: Use seq_puts() in kvmppc_exit_timing_show() 2018-01-11 20:36:06 +11:00
timing.h
trace_book3s.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace_booke.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace_hv.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace_pr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00