WSL2-Linux-Kernel

The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)

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Pu Lehui 7795592e08 riscv, bpf: Factor out emit_call for kernel and bpf context [ Upstream commit `0fd1fd0104` ] The current emit_call function is not suitable for kernel function call as it store return value to bpf R0 register. We can separate it out for common use. Meanwhile, simplify judgment logic, that is, fixed function address can use jal or auipc+jalr, while the unfixed can use only auipc+jalr. Signed-off-by: Pu Lehui <pulehui@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Björn Töpel <bjorn@rivosinc.com> Acked-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/bpf/20230215135205.1411105-3-pulehui@huaweicloud.com Stable-dep-of: `2f1b0d3d73` ("riscv, bpf: Sign-extend return values") Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-10-19 23:05:34 +02:00
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arch	riscv, bpf: Factor out emit_call for kernel and bpf context	2023-10-19 23:05:34 +02:00
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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.