linux/arch/x86
Masahiro Yamada 3216484550 kbuild: use obj-y instead extra-y for objects placed at the head
The objects placed at the head of vmlinux need special treatments:

 - arch/$(SRCARCH)/Makefile adds them to head-y in order to place
   them before other archives in the linker command line.

 - arch/$(SRCARCH)/kernel/Makefile adds them to extra-y instead of
   obj-y to avoid them going into built-in.a.

This commit gets rid of the latter.

Create vmlinux.a to collect all the objects that are unconditionally
linked to vmlinux. The objects listed in head-y are moved to the head
of vmlinux.a by using 'ar m'.

With this, arch/$(SRCARCH)/kernel/Makefile can consistently use obj-y
for builtin objects.

There is no *.o that is directly linked to vmlinux. Drop unneeded code
in scripts/clang-tools/gen_compile_commands.py.

$(AR) mPi needs 'T' to workaround the llvm-ar bug. The fix was suggested
by Nathan Chancellor [1].

[1]: https://lore.kernel.org/llvm/YyjjT5gQ2hGMH0ni@dev-arch.thelio-3990X/

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2022-10-02 18:04:05 +09:00
..
boot kbuild: build init/built-in.a just once 2022-09-29 04:40:15 +09:00
coco x86/tdx: Handle load_unaligned_zeropad() page-cross to a shared page 2022-06-17 15:37:33 -07:00
configs xen: branch for v6.0-rc3 2022-08-27 15:38:00 -07:00
crypto SPDX changes for 6.0-rc1 2022-08-04 12:12:54 -07:00
entry x86/entry: Fix entry_INT80_compat for Xen PV guests 2022-08-16 10:02:52 +02:00
events PCI interpretation compile fixes 2022-09-01 19:21:27 -04:00
hyperv ARM: 2022-08-04 14:59:54 -07:00
ia32
include More pci fixes 2022-09-23 10:06:08 -04:00
kernel kbuild: use obj-y instead extra-y for objects placed at the head 2022-10-02 18:04:05 +09:00
kvm KVM: x86: Inject #UD on emulated XSETBV if XSAVES isn't enabled 2022-09-22 17:04:20 -04:00
lib x86/retbleed: Add fine grained Kconfig knobs 2022-06-29 17:43:41 +02:00
math-emu
mm Misc fixes: 2022-08-28 10:10:23 -07:00
net Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-07-22 16:55:44 -07:00
pci x86/PCI: Revert "x86/PCI: Clip only host bridge windows for E820 regions" 2022-06-17 14:24:14 -05:00
platform Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
power
purgatory x86/purgatory: Omit use of bin2c 2022-07-25 10:32:32 +02:00
ras
realmode
tools
um arch: um: Mark the stack non-executable to fix a binutils warning 2022-09-21 09:11:42 +02:00
video
virt/vmx/tdx
xen x86/xen: Add support for HVMOP_set_evtchn_upcall_vector 2022-08-12 11:28:21 +02:00
.gitignore x86/purgatory: Omit use of bin2c 2022-07-25 10:32:32 +02:00
Kbuild
Kconfig - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
Kconfig.assembler
Kconfig.cpu
Kconfig.debug arch: make TRACE_IRQFLAGS_NMI_SUPPORT generic 2022-06-23 15:39:21 +01:00
Makefile asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00
Makefile.um
Makefile_32.cpu