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ca3f087472
linux/virt/kvm
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Radim Krčmář ca3f087472 KVM: use slowpath for cross page cached accesses 
kvm_write_guest_cached() does not mark all written pages as dirty and
code comments in kvm_gfn_to_hva_cache_init() talk about NULL memslot
with cross page accesses.  Fix all the easy way.

The check is '<= 1' to have the same result for 'len = 0' cache anywhere
in the page.  (nr_pages_needed is 0 on page boundary.)

Fixes: 8f964525a1 ("KVM: Allow cross page reads and writes from cached translations.")
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Message-Id: <20150408121648.GA3519@potion.brq.redhat.com>
Reviewed-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-10 16:04:45 +02:00
..
arm KVM/ARM changes for v4.1: 2015-04-07 18:09:20 +02:00
async_pf.c mm: gup: kvm use get_user_pages_unlocked 2015-02-11 17:06:05 -08:00
async_pf.h KVM: Halt vcpu if page it tries to access is swapped out 2011-01-12 11:21:39 +02:00
coalesced_mmio.c KVM: move iodev.h from virt/kvm/ to include/kvm 2015-03-26 21:43:12 +00:00
coalesced_mmio.h KVM: Make coalesced mmio use a device per zone 2011-09-25 19:17:57 +03:00
eventfd.c KVM: move iodev.h from virt/kvm/ to include/kvm 2015-03-26 21:43:12 +00:00
irqchip.c KVM: fix checkpatch.pl errors in kvm/irqchip.c 2015-03-10 10:37:42 -03:00
Kconfig KVM: Disable compat ioctl for s390 2015-02-09 12:44:14 +01:00
kvm_main.c KVM: use slowpath for cross page cached accesses 2015-04-10 16:04:45 +02:00
vfio.c kvm: vfio: fix unregister kvm_device_ops of vfio 2014-10-24 13:30:47 +02:00
vfio.h kvm: vfio: fix unregister kvm_device_ops of vfio 2014-10-24 13:30:47 +02:00