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[0/3] KVM: arm64: TLBI fixes for the pgtable code

Message ID 20240325185158.8565-1-will@kernel.org (mailing list archive)
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Series KVM: arm64: TLBI fixes for the pgtable code | expand

Message

Will Deacon March 25, 2024, 6:51 p.m. UTC 
Hi folks,

While debugging something else, I noticed a few TLBI oddities in KVM's
page-table code. These were found by inspection, so please have a good
look as I may be mistaken.

Patches against -rc1.

Cheers,

Will

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Gavin Shan <gshan@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mostafa Saleh <smostafa@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Quentin Perret <qperret@google.com>
Cc: Raghavendra Rao Ananta <rananta@google.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shaoqin Huang <shahuang@redhat.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Zenghui Yu <yuzenghui@huawei.com>

--->8

Will Deacon (3):
  KVM: arm64: Don't defer TLB invalidation when zapping table entries
  KVM: arm64: Don't pass a TLBI level hint when zapping table entries
  KVM: arm64: Use TLBI_TTL_UNKNOWN in __kvm_tlb_flush_vmid_range()

 arch/arm64/kvm/hyp/nvhe/tlb.c |  3 ++-
 arch/arm64/kvm/hyp/pgtable.c  | 12 ++++++++----
 arch/arm64/kvm/hyp/vhe/tlb.c  |  3 ++-
 3 files changed, 12 insertions(+), 6 deletions(-)