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Use gva_t instead of unsigned int for eaddr in deliver_tlb_miss().
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
CC: stable@vger.kernel.org
Signed-off-by: Alexander Graf <agraf@suse.de>
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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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This patch add a new callback kvmppc_ops. This will help us in enabling
both HV and PR KVM together in the same kernel. The actual change to
enable them together is done in the later patch in the series.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: squash in booke changes]
Signed-off-by: Alexander Graf <agraf@suse.de>
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KVM core expects arch code to acquire the srcu lock when calling
gfn_to_memslot and similar functions.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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Embedded.Page Table (E.PT) category is not supported yet in e6500 kernel.
Configure TLBnCFG to remove E.PT and E.HV.LRAT categories from VCPUs.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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EPTCFG register defined by E.PT is accessed unconditionally by Linux guests
in the presence of MAV 2.0. Emulate it now.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Add support for TLBnPS registers available in MMU Architecture Version
(MAV) 2.0.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Vcpu's MMU default configuration and geometry update logic was buried in
a chunk of code. Move them to dedicated functions to add more clarity.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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MMU registers were exposed to user-space using sregs interface. Add them
to ONE_REG interface using kvmppc_get_one_reg/kvmppc_set_one_reg delegation
mechanism.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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The guest TLB handling code should not have any insight into how the host
TLB shadow code works.
kvmppc_e500_tlbil_all() is a function that is used for distinction between
e500v2 and e500mc (E.HV) on how to flush shadow entries. This function really
is private between the e500.c/e500mc.c file and e500_mmu_host.c.
Instead of this one, use the public kvmppc_core_flush_tlb() function to flush
all shadow TLB entries. As a nice side effect, with this we also end up
flushing TLB1 entries which we forgot to do before.
Signed-off-by: Alexander Graf <agraf@suse.de>
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Host shadow TLB flushing is logic that the guest TLB code should have
no insight about. Declare the internal clear_tlb_refs and clear_tlb1_bitmap
functions static to the host TLB handling file.
Instead of these, we can use the already exported kvmppc_core_flush_tlb().
This gives us a common API across the board to say "please flush any
pending host shadow translation".
Signed-off-by: Alexander Graf <agraf@suse.de>
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This patch splits the file e500_tlb.c into e500_mmu.c (guest TLB handling)
and e500_mmu_host.c (host TLB handling).
The main benefit of this split is readability and maintainability. It's
just a lot harder to write dirty code :).
Signed-off-by: Alexander Graf <agraf@suse.de>
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