KVM: arm64: Define kvm_tlb_flush_vmid_range()

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Implement the helper kvm_tlb_flush_vmid_range() that acts
as a wrapper for range-based TLB invalidations. For the
given VMID, use the range-based TLBI instructions to do
the job or fallback to invalidating all the TLB entries.

Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230811045127.3308641-11-rananta@google.com

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Raghavendra Rao Ananta 2023-08-11 04:51:23 +00:00 • committed by Marc Zyngier

parent 6354d15052

commit 117940aa6e

2 changed files with 30 additions and 0 deletions

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10

arch/arm64/include/asm/kvm_pgtable.h

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arch/arm64/kvm/hyp/pgtable.c

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