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| author | Radim Krčmář <rkrcmar@redhat.com> | 2018-09-04 21:12:46 +0200 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-09-04 21:12:46 +0200 |
| commit | 732b53146ac8f604e45c593efe0579f78205fdcc (patch) | |
| tree | c23e340ff887c6f1ed51a875099e02cca85a3197 /arch/powerpc/kvm/book3s_64_mmu_radix.c | |
| parent | c012a0f2677529a0ae8f53a15bd7c61dc4ca5b5e (diff) | |
| parent | 46dec40fb741f00f1864580130779aeeaf24fb3d (diff) | |
Merge tag 'kvm-ppc-fixes-4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
PPC KVM fixes for 4.19
Two small fixes for KVM on POWER machines; one fixes a bug where pages
might not get marked dirty, causing guest memory corruption on migration,
and the other fixes a bug causing reads from guest memory to use the
wrong guest real address for very large HPT guests (>256G of memory),
leading to failures in instruction emulation.
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu_radix.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_radix.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index 0af1c0aea1fe..fd6e8c13685f 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -725,10 +725,10 @@ int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, gpa, shift); kvmppc_radix_tlbie_page(kvm, gpa, shift); if ((old & _PAGE_DIRTY) && memslot->dirty_bitmap) { - unsigned long npages = 1; + unsigned long psize = PAGE_SIZE; if (shift) - npages = 1ul << (shift - PAGE_SHIFT); - kvmppc_update_dirty_map(memslot, gfn, npages); + psize = 1ul << shift; + kvmppc_update_dirty_map(memslot, gfn, psize); } } return 0; |