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commit7c6dd961d0upstream. With 'GNU assembler (GNU Binutils for Debian) 2.39.90.20221231' the build now reports: arch/x86/realmode/rm/../../boot/bioscall.S: Assembler messages: arch/x86/realmode/rm/../../boot/bioscall.S:35: Warning: found `movsd'; assuming `movsl' was meant arch/x86/realmode/rm/../../boot/bioscall.S:70: Warning: found `movsd'; assuming `movsl' was meant arch/x86/boot/bioscall.S: Assembler messages: arch/x86/boot/bioscall.S:35: Warning: found `movsd'; assuming `movsl' was meant arch/x86/boot/bioscall.S:70: Warning: found `movsd'; assuming `movsl' was meant Which is due to: PR gas/29525 Note that with the dropped CMPSD and MOVSD Intel Syntax string insn templates taking operands, mixed IsString/non-IsString template groups (with memory operands) cannot occur anymore. With that maybe_adjust_templates() becomes unnecessary (and is hence being removed). More details: https://sourceware.org/bugzilla/show_bug.cgi?id=29525 Borislav Petkov further explains: " the particular problem here is is that the 'd' suffix is "conflicting" in the sense that you can have SSE mnemonics like movsD %xmm... and the same thing also for string ops (which is the case here) so apparently the agreement in binutils land is to use the always accepted suffixes 'l' or 'q' and phase out 'd' slowly... " Fixes:7a734e7dd9("x86, setup: "glove box" BIOS calls -- infrastructure") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/Y71I3Ex2pvIxMpsP@hirez.programming.kicks-ass.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.