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05b29633c7
INVLPG operates on guest virtual address, which are represented by vcpu->arch.walk_mmu. In nested virtualization scenarios, kvm_mmu_invlpg() was using the wrong MMU structure; if L2's invlpg were emulated by L0 (in practice, it hardly happen) when nested two-dimensional paging is enabled, the call to ->tlb_flush_gva() would be skipped and the hardware TLB entry would not be invalidated. Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com> Message-Id: <20211124122055.64424-5-jiangshanlai@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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.