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7c182ebab9
Clang's integrated assembler only accepts UAL syntax, rewrite the
instructions that were changed by RVCTv2.1. The document "Assembly
language changes after RVCTv2.1" was very helpful.
.syntax unified
directive is added, since -masm-syntax-unified is unreliable for older
but supported versions of GCC. See also:
commit fe09d9c641 ("ARM: 8852/1: uaccess: use unified assembler language syntax")
Link: https://developer.arm.com/documentation/dui0473/c/writing-arm-assembly-language/assembly-language-changes-after-rvctv2-1
Link: https://github.com/ClangBuiltLinux/linux/issues/1271
Reported-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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.