KVM: PPC: Book3S HV nestedv2: Invalidate RPT before deleting a guest

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An L0 must invalidate the L2's RPT during H_GUEST_DELETE if this has not
already been done. This is a slow operation that means H_GUEST_DELETE
must return H_BUSY multiple times before completing. Invalidating the
tables before deleting the guest so there is less work for the L0 to do.

Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231201132618.555031-2-vaibhav@linux.ibm.com

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Jordan Niethe 2023-12-01 18:56:06 +05:30 • committed by Michael Ellerman

parent 98b1cc82c4

commit 7d370e1812

3 changed files with 6 additions and 3 deletions

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1

arch/powerpc/include/asm/kvm_book3s.h

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6

arch/powerpc/kvm/book3s_hv.c

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2

arch/powerpc/kvm/book3s_hv_nested.c

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