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authorMarcelo Tosatti <mtosatti@redhat.com>2008-06-11 20:32:40 -0300
committerAvi Kivity <avi@qumranet.com>2008-06-24 12:18:18 +0300
commit3094538739415a9225afd2a6c78cb0fe1c1f641b (patch)
treeb6f4b62812fd55ffa60d4383af1e7079e8b29a30 /fs/ext3
parent6597ca09e6c0e5aec7ffd2b8ab48c671d3c28414 (diff)
KVM: MMU: large page update_pte issue with non-PAE 32-bit guests (resend)
kvm_mmu_pte_write() does not handle 32-bit non-PAE large page backed guests properly. It will instantiate two 2MB sptes pointing to the same physical 2MB page when a guest large pte update is trapped. Instead of duplicating code to handle this, disallow directory level updates to happen through kvm_mmu_pte_write(), so the two 2MB sptes emulating one guest 4MB pte can be correctly created by the page fault handling path. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'fs/ext3')
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