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Masahiro Yamada 9fbed27a7a kbuild: add --target to correctly cross-compile UAPI headers with Clang 
When you compile-test UAPI headers (CONFIG_UAPI_HEADER_TEST=y) with
Clang, they are currently compiled for the host target (likely x86_64)
regardless of the given ARCH=.

In fact, some exported headers include libc headers. For example,
include/uapi/linux/agpgart.h includes <stdlib.h> after being exported.
The header search paths should match to the target we are compiling
them for.

Pick up the --target triple from KBUILD_CFLAGS in the same ways as
commit 7f58b487e9 ("kbuild: make Clang build userprogs for target
architecture").

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
2022-03-31 12:03:46 +09:00
arch arch: syscalls: simplify uapi/kapi directory creation 2022-03-31 12:03:46 +09:00
block block: bio-integrity: Advance seed correctly for larger interval sizes 2022-02-03 21:09:24 -07:00
certs certs: simplify empty certs creation in certs/Makefile 2022-03-03 08:18:20 +09:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2022-02-09 09:53:56 -08:00
Documentation kbuild: Add environment variables for userprogs flags 2022-02-14 10:37:32 +09:00
drivers Interrupt chip driver fixes: 2022-02-13 10:06:40 -08:00
fs kbuild: unify cmd_copy and cmd_shipped 2022-02-14 10:37:32 +09:00
include - Fix a case where objtool would mistakenly warn about instructions being unreachable 2022-02-13 09:43:34 -08:00
init kbuild: Add environment variables for userprogs flags 2022-02-14 10:37:32 +09:00
ipc ipc/sem: do not sleep with a spin lock held 2022-02-04 09:25:05 -08:00
kernel - Fix a NULL-ptr dereference when recalculating a sched entity's weight 2022-02-13 09:27:26 -08:00
lib lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI 2022-02-04 19:22:32 +01:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm kfence: make test case compatible with run time set sample interval 2022-02-11 17:55:00 -08:00
net Networking fixes for 5.17-rc4, including fixes from netfilter and can. 2022-02-10 16:01:22 -08:00
samples samples/seccomp: Adjust sample to also provide kill option 2022-02-10 19:09:12 -08:00
scripts fixdep: use fflush() and ferror() to ensure successful write to files 2022-03-31 12:03:46 +09:00
security integrity-v5-17-fix 2022-02-07 09:55:14 -08:00
sound ASoC: Fixes for v5.17 2022-02-01 16:52:54 +01:00
tools kbuild: replace $(if A,A,B) with $(or A,B) 2022-02-15 12:25:56 +09:00
usr kbuild: add --target to correctly cross-compile UAPI headers with Clang 2022-03-31 12:03:46 +09:00
virt Two larger x86 series: 2022-01-28 19:00:26 +02:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Christian Brauner's email address 2022-02-01 11:21:31 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance 2021-12-08 10:09:40 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS s390 updates for 5.17-rc4 2022-02-12 09:12:44 -08:00
Makefile kbuild: replace $(if A,A,B) with $(or A,B) 2022-02-15 12:25:56 +09:00
README

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.