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Anup Patel 27de1f541f
tty/serial: Add RISC-V SBI earlycon support
In RISC-V, the M-mode runtime firmware provide SBI calls for
debug prints. This patch adds earlycon support using RISC-V
SBI console calls. To enable it, just pass "earlycon=sbi" in
kernel parameters.

Signed-off-by: Anup Patel <anup@brainfault.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-01-09 14:59:57 -08:00
arch Fix a handful of audit-related issue 2019-01-07 08:45:47 -08:00
block
certs
crypto
Documentation Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
drivers tty/serial: Add RISC-V SBI earlycon support 2019-01-09 14:59:57 -08:00
firmware
fs Add Adiantum support for fscrypt 2019-01-06 12:21:11 -08:00
include Fix a handful of audit-related issue 2019-01-07 08:45:47 -08:00
init
ipc
kernel Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
lib Kbuild late updates for v4.21 2019-01-06 16:33:10 -08:00
LICENSES
mm Change mincore() to count "mapped" pages rather than "cached" pages 2019-01-06 13:43:02 -08:00
net
samples
scripts
security
sound
tools tools uapi: fix RISC-V 64-bit support 2019-01-07 07:59:28 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: SiFive drivers: add myself as a SiFive driver maintainer 2019-01-07 08:19:20 -08:00
Makefile Linux 5.0-rc1 2019-01-06 17:08:20 -08:00
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.