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[ Upstream commitc4bce84d0b] We added checks to __pa() / __va() to ensure they're only called with appropriate addresses. But using BUG_ON() is too strong, it means virt_addr_valid() will BUG when DEBUG_VIRTUAL is enabled. Instead switch them to warnings, arm64 does the same. Fixes:4dd7554a64("powerpc/64: Add VIRTUAL_BUG_ON checks for __va and __pa addresses") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220406145802.538416-5-mpe@ellerman.id.au Signed-off-by: Sasha Levin <sashal@kernel.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.