KVM: x86/mmu: Refactor yield safe root iterator

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Refactor the yield safe TDP MMU root iterator to be more amenable to
changes in future commits which will allow it to be used under the MMU
lock in read mode. Currently the iterator requires a complicated dance
between the helper functions and different parts of the for loop which
makes it hard to reason about. Moving all the logic into a single function
simplifies the iterator substantially.

Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210401233736.638171-6-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Ben Gardon 2021-04-01 16:37:28 -07:00 • committed by Paolo Bonzini

parent 2bdb3d84ce

commit cfc109979b

1 changed files with 26 additions and 19 deletions

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arch/x86/kvm/mmu/tdp_mmu.c

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