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Matt Redfearn 16e24b1ac7 MIPS: Introduce isa-rev.h to define MIPS_ISA_REV 
commit 1690905240 upstream

There are multiple instances in the kernel where we need to include or
exclude particular instructions based on the ISA revision of the target
processor. For MIPS32 / MIPS64, the compiler exports a __mips_isa_rev
define. However, when targeting MIPS I - V, this define is absent. This
leads to each use of __mips_isa_rev having to check that it is defined
first. To simplify this, introduce the isa-rev.h header which always
exports MIPS_ISA_REV. The name is changed so as to avoid confusion with
the compiler builtin and to avoid accidentally using the builtin.
MIPS_ISA_REV is defined to the compilers builtin if provided, or 0,
which satisfies all current usages.

Suggested-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Reviewed-by: Maciej W. Rozycki <macro@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18676/
Signed-off-by: James Hogan <jhogan@kernel.org>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-22 10:57:13 +02:00
arch MIPS: Introduce isa-rev.h to define MIPS_ISA_REV 2021-05-22 10:57:13 +02:00
block block: only update parent bi_status when bio fail 2021-04-16 11:57:53 +02:00
certs certs: Fix blacklist flag type confusion 2021-03-03 18:22:46 +01:00
crypto crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key() 2021-03-03 18:22:43 +01:00
Documentation sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output 2021-03-07 11:27:45 +01:00
drivers iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd() 2021-05-22 10:57:13 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs ext4: correct error label in ext4_rename() 2021-04-28 12:08:43 +02:00
include ACPI: tables: x86: Reserve memory occupied by ACPI tables 2021-05-22 10:57:12 +02:00
init init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM 2021-04-10 13:20:12 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel bpf: Fix backport of "bpf: restrict unknown scalars of mixed signed bounds for unprivileged" 2021-05-22 10:57:12 +02:00
lib lib/string: Add strscpy_pad() function 2021-02-23 14:00:30 +01:00
mm gup: document and work around "COW can break either way" issue 2021-04-28 12:08:42 +02:00
net net: sit: Unregister catch-all devices 2021-04-28 12:08:42 +02:00
samples samples: bpf: Fix lwt_len_hist reusing previous BPF map 2020-12-29 13:46:56 +01:00
scripts scripts/recordmcount.{c,pl}: support -ffunction-sections .text.* section names 2021-03-17 16:34:28 +01:00
security Revert 95ebabde38 ("capabilities: Don't allow writing ambiguous v3 file capabilities") 2021-03-17 16:34:31 +01:00
sound ASoC: fsl_esai: Fix TDM slot setup for I2S mode 2021-04-28 12:08:40 +02:00
tools bpf: fix up selftests after backports were fixed 2021-05-22 10:57:13 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: arm64: Fix exclusive limit for IPA size 2021-03-17 16:34:35 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.232 2021-04-28 12:08:44 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.