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Samuel Holland be2fc65d66 powerpc: Limit ARCH_HAS_KERNEL_FPU_SUPPORT to PPC64 
When building a 32-bit kernel, some toolchains do not allow mixing soft
float and hard float object files:

    LD      vmlinux.o
  powerpc64le-unknown-linux-musl-ld: lib/test_fpu_impl.o uses hard float, arch/powerpc/kernel/udbg.o uses soft float
  powerpc64le-unknown-linux-musl-ld: failed to merge target specific data of file lib/test_fpu_impl.o
  make[2]: *** [scripts/Makefile.vmlinux_o:62: vmlinux.o] Error 1
  make[1]: *** [Makefile:1152: vmlinux_o] Error 2
  make: *** [Makefile:240: __sub-make] Error 2

This is not an issue when building a 64-bit kernel. To unbreak the
build, limit ARCH_HAS_KERNEL_FPU_SUPPORT to 64-bit kernels. This is okay
because the only real user of this option, amdgpu, was previously
limited to PPC64 anyway; see commit a28e4b672f ("drm/amd/display: use
ARCH_HAS_KERNEL_FPU_SUPPORT").

Fixes: 01db473e1a ("powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202405250851.Z4daYSWG-lkp@intel.com/
Reported-by: Guenter Roeck <linux@roeck-us.net>
Closes: https://lore.kernel.org/lkml/eeffaec3-df63-4e55-ab7a-064a65c00efa@roeck-us.net/
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240529162852.1209-1-samuel.holland@sifive.com
2024-05-30 22:57:27 +10:00
arch powerpc: Limit ARCH_HAS_KERNEL_FPU_SUPPORT to PPC64 2024-05-30 22:57:27 +10:00
block
certs
crypto
Documentation 16 hotfixes, 11 of which are cc:stable. 2024-05-25 15:10:33 -07:00
drivers ipmi: Mostly updates for deprecated interfaces 2024-05-25 14:32:29 -07:00
fs four smb client fixes, including two important netfs integration fixes 2024-05-25 22:33:10 -07:00
include mm: percpu: Include smp.h in alloc_tag.h 2024-05-26 14:40:39 -07:00
init
io_uring
ipc
kernel Misc fixes: 2024-05-25 14:48:40 -07:00
lib 16 hotfixes, 11 of which are cc:stable. 2024-05-25 15:10:33 -07:00
LICENSES
mm 16 hotfixes, 11 of which are cc:stable. 2024-05-25 15:10:33 -07:00
net
rust
samples
scripts
security
sound sound fixes for 6.10-rc1 2024-05-24 08:48:51 -07:00
tools Revert a patch causing a regression as described in the cset: 2024-05-26 09:54:26 -07:00
usr
virt
.clang-format
.cocciconfig
.editorconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: update email address for Satya Priya 2024-05-24 11:55:05 -07:00
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS RTC for 6.10 2024-05-25 13:33:53 -07:00
Makefile Linux 6.10-rc1 2024-05-26 15:20:12 -07:00
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 reStructuredText 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.