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c24ed209c4
Drop avic_get_physical_id_entry()'s compatibility check on the incoming ID, as its sole caller, avic_init_backing_page(), performs the exact same check. Drop avic_get_physical_id_entry() entirely as the only remaining functionality is getting the address of the Physical ID table, and accessing the array without an immediate bounds check is kludgy. Opportunistically add a compile-time assertion to ensure the vcpu_id can't result in a bounds overflow, e.g. if KVM (really) messed up a maximum physical ID #define, as well as run-time assertions so that a NULL pointer dereference is morphed into a safer WARN(). No functional change intended. Tested-by: Sairaj Kodilkar <sarunkod@amd.com> Reviewed-by: Naveen N Rao (AMD) <naveen@kernel.org> Link: https://lore.kernel.org/r/20250611224604.313496-15-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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| README | ||
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 reStructuredText 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.