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48f9ec2020
commitcf2d23e0baupstream. kvm_test_age_hva() is called upon mmu_notifier_test_young(), but wrong address range has been passed to handle_hva_to_gpa(). With the wrong address range, no young bits will be checked in handle_hva_to_gpa(). It means zero is always returned from mmu_notifier_test_young(). This fixes the issue by passing correct address range to the underly function handle_hva_to_gpa(), so that the hardware young (access) bit will be visited. Fixes:35307b9a5f("arm/arm64: KVM: Implement Stage-2 page aging") Signed-off-by: Gavin Shan <gshan@redhat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200121055659.19560-1-gshan@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.