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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-03-10 16:52:25 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-03-13 13:02:19 +0100
commit232995790911d6a89695daf5823c8b2871de460d (patch)
tree69d5e6b24b13b528bf1643dd0459cc2399f6cb04
parentbdc0467e1177e4bc8c77cf66a754a0d7803d7722 (diff)
Revert "KVM: PPC: e500: Mark "struct page" dirty in kvmppc_e500_shadow_map()"
This reverts commit dec857329fb9a66a5bce4f9db14c97ef64725a32 which is commit c9be85dabb376299504e0d391d15662c0edf8273 upstream. It should not have been applied. Link: https://lore.kernel.org/r/CABgObfb5U9zwTQBPkPB=mKu-vMrRspPCm4wfxoQpB+SyAnb5WQ@mail.gmail.com Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/powerpc/kvm/e500_mmu_host.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index 5c2adfd19e12..c664fdec75b1 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -242,7 +242,7 @@ static inline int tlbe_is_writable(struct kvm_book3e_206_tlb_entry *tlbe)
return tlbe->mas7_3 & (MAS3_SW|MAS3_UW);
}
-static inline bool kvmppc_e500_ref_setup(struct tlbe_ref *ref,
+static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
struct kvm_book3e_206_tlb_entry *gtlbe,
kvm_pfn_t pfn, unsigned int wimg)
{
@@ -252,7 +252,11 @@ static inline bool kvmppc_e500_ref_setup(struct tlbe_ref *ref,
/* Use guest supplied MAS2_G and MAS2_E */
ref->flags |= (gtlbe->mas2 & MAS2_ATTRIB_MASK) | wimg;
- return tlbe_is_writable(gtlbe);
+ /* Mark the page accessed */
+ kvm_set_pfn_accessed(pfn);
+
+ if (tlbe_is_writable(gtlbe))
+ kvm_set_pfn_dirty(pfn);
}
static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)
@@ -333,7 +337,6 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
unsigned int wimg = 0;
pgd_t *pgdir;
unsigned long flags;
- bool writable = false;
/* used to check for invalidations in progress */
mmu_seq = kvm->mmu_invalidate_seq;
@@ -487,9 +490,7 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
goto out;
}
}
- writable = kvmppc_e500_ref_setup(ref, gtlbe, pfn, wimg);
- if (writable)
- kvm_set_pfn_dirty(pfn);
+ kvmppc_e500_ref_setup(ref, gtlbe, pfn, wimg);
kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize,
ref, gvaddr, stlbe);