583dbad340
Pull core fixes from Thomas Gleixner: - Unbreak the BPF compilation which got broken by the unconditional requirement of asm-goto, which is not supported by clang. - Prevent probing on exception masking instructions in uprobes and kprobes to avoid the issues of the delayed exceptions instead of having an ugly workaround. - Prevent a double free_page() in the error path of do_kexec_load() - A set of objtool updates addressing various issues mostly related to switch tables and the noreturn detection for recursive sibling calls - Header sync for tools. * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Detect RIP-relative switch table references, part 2 objtool: Detect RIP-relative switch table references objtool: Support GCC 8 switch tables objtool: Support GCC 8's cold subfunctions objtool: Fix "noreturn" detection for recursive sibling calls objtool, kprobes/x86: Sync the latest <asm/insn.h> header with tools/objtool/arch/x86/include/asm/insn.h x86/cpufeature: Guard asm_volatile_goto usage for BPF compilation uprobes/x86: Prohibit probing on MOV SS instruction kprobes/x86: Prohibit probing on exception masking instructions x86/kexec: Avoid double free_page() upon do_kexec_load() failure
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.