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| author | Paolo Bonzini <[email protected]> | 2025-01-08 15:49:50 +0000 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2025-01-12 09:53:00 +0000 |
| commit | 55f4db79c4d94d4bb757f7a31a7f14de22fe517d (patch) | |
| tree | dfe7198be8b44ce7c9cdd909ae60a70c284bb678 /drivers/platform/x86/intel/pmt/class.c | |
| parent | KVM: e500: map readonly host pages for read (diff) | |
| download | kernel-55f4db79c4d94d4bb757f7a31a7f14de22fe517d.tar.gz kernel-55f4db79c4d94d4bb757f7a31a7f14de22fe517d.zip | |
KVM: e500: perform hugepage check after looking up the PFN
e500 KVM tries to bypass __kvm_faultin_pfn() in order to map VM_PFNMAP
VMAs as huge pages. This is a Bad Idea because VM_PFNMAP VMAs could
become noncontiguous as a result of callsto remap_pfn_range().
Instead, use the already existing host PTE lookup to retrieve a
valid host-side mapping level after __kvm_faultin_pfn() has
returned. Then find the largest size that will satisfy the
guest's request while staying within a single host PTE.
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'drivers/platform/x86/intel/pmt/class.c')
0 files changed, 0 insertions, 0 deletions