KVM: MMU: Split gfn_to_rmap() into two functions

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rmap_write_protect() calls gfn_to_rmap() for each level with gfn fixed.
This results in calling gfn_to_memslot() repeatedly with that gfn.

This patch introduces __gfn_to_rmap() which takes the slot as an
argument to avoid this.

This is also needed for the following dirty logging optimization.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>

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Takuya Yoshikawa 2011-11-14 18:22:28 +09:00 • committed by Avi Kivity

parent d6eebf8b80

commit 9b9b149236

1 changed files with 17 additions and 9 deletions

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arch/x86/kvm/mmu.c

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