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afbb1b1cae
* kvm-arm64/s1ptw-write-fault: : . : Fix S1PTW fault handling that was until then always taken : as a write. From the cover letter: : : `Recent developments on the EFI front have resulted in guests that : simply won't boot if the page tables are in a read-only memslot and : that you're a bit unlucky in the way S2 gets paged in... The core : issue is related to the fact that we treat a S1PTW as a write, which : is close enough to what needs to be done. Until to get to RO memslots. : : The first patch fixes this and is definitely a stable candidate. It : splits the faulting of page tables in two steps (RO translation fault, : followed by a writable permission fault -- should it even happen). : The second one documents the slightly odd behaviour of PTW writes to : RO memslot, which do not result in a KVM_MMIO exit. The last patch is : totally optional, only tangentially related, and randomly repainting : stuff (maybe that's contagious, who knows)." : : . KVM: arm64: Convert FSC_* over to ESR_ELx_FSC_* KVM: arm64: Document the behaviour of S1PTW faults on RO memslots KVM: arm64: Fix S1PTW handling on RO memslots Signed-off-by: Marc Zyngier <maz@kernel.org> |
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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.