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d89585fbb3
Previously we allowed creating a memslot containing a private mapping that was not VM_MTE_ALLOWED, but would later reject KVM_RUN with -EFAULT. Now we reject the memory region at memslot creation time. Since this is a minor tweak to the ABI (a VMM that created one of these memslots would fail later anyway), no VMM to my knowledge has MTE support yet, and the hardware with the necessary features is not generally available, we can probably make this ABI change at this point. Signed-off-by: Peter Collingbourne <pcc@google.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221104011041.290951-7-pcc@google.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.