mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 02:40:52 +07:00
57fa189942
The ORC unwinder has two tables: .orc_unwind_ip and .orc_unwind, which need to be sorted for binary search. Previously this sorting was done during bootup. Sort them at build time to speed up booting. Add the ORC tables sorting in a parallel build process to speed up the build. [ mingo: Rewrote the changelog and fixed some comments. ] Suggested-by: Andy Lutomirski <luto@amacapital.net> Suggested-by: Peter Zijlstra <peterz@infradead.org> Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Shile Zhang <shile.zhang@linux.alibaba.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Michal Marek <michal.lkml@markovi.net> Cc: linux-kbuild@vger.kernel.org Link: https://lkml.kernel.org/r/20191204004633.88660-7-shile.zhang@linux.alibaba.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
47 lines
1.6 KiB
Makefile
47 lines
1.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
###
|
|
# scripts contains sources for various helper programs used throughout
|
|
# the kernel for the build process.
|
|
# ---------------------------------------------------------------------------
|
|
# kallsyms: Find all symbols in vmlinux
|
|
# conmakehash: Create chartable
|
|
# conmakehash: Create arrays for initializing the kernel console tables
|
|
|
|
HOST_EXTRACFLAGS += -I$(srctree)/tools/include
|
|
|
|
hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c
|
|
hostprogs-$(CONFIG_KALLSYMS) += kallsyms
|
|
hostprogs-$(CONFIG_VT) += conmakehash
|
|
hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
|
|
hostprogs-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable
|
|
hostprogs-$(CONFIG_ASN1) += asn1_compiler
|
|
hostprogs-$(CONFIG_MODULE_SIG_FORMAT) += sign-file
|
|
hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
|
|
hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
|
|
|
|
HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
|
|
HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
|
|
HOSTLDLIBS_sign-file = -lcrypto
|
|
HOSTLDLIBS_extract-cert = -lcrypto
|
|
|
|
ifdef CONFIG_UNWINDER_ORC
|
|
ifeq ($(ARCH),x86_64)
|
|
ARCH := x86
|
|
endif
|
|
HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
|
|
HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
|
|
HOSTLDLIBS_sorttable = -lpthread
|
|
endif
|
|
|
|
always := $(hostprogs-y) $(hostprogs-m)
|
|
|
|
# The following hostprogs-y programs are only build on demand
|
|
hostprogs-y += unifdef
|
|
|
|
subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
|
|
subdir-$(CONFIG_MODVERSIONS) += genksyms
|
|
subdir-$(CONFIG_SECURITY_SELINUX) += selinux
|
|
|
|
# Let clean descend into subdirs
|
|
subdir- += basic dtc gdb kconfig mod
|