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afc4cc71cf
We use special wrapper routines to invoke firmware services in the native case as well as the mixed mode case. For mixed mode, the need is obvious, but for the native cases, we can simply rely on the compiler to generate the indirect call, given that GCC now has support for the MS calling convention (and has had it for quite some time now). Note that on i386, the decompressor and the EFI stub are not built with -mregparm=3 like the rest of the i386 kernel, so we can safely allow the compiler to emit the indirect calls here as well. So drop all the wrappers and indirection, and switch to either native calls, or direct calls into the thunk routine for mixed mode. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Cc: Arvind Sankar <nivedita@alum.mit.edu> Cc: Borislav Petkov <bp@alien8.de> Cc: James Morse <james.morse@arm.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Link: https://lkml.kernel.org/r/20191224151025.32482-14-ardb@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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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 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.