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Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Browse Source 
Pull Kbuild updates from Masahiro Yamada:

 - Fix false-positive build warnings for ARCH=ia64 builds

 - Optimize dictionary size for module compression with xz

 - Check the compiler and linker versions in Kconfig

 - Fix misuse of extra-y

 - Support DWARF v5 debug info

 - Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
   exceeded the limit

 - Add generic syscall{tbl,hdr}.sh for cleanups across arches

 - Minor cleanups of genksyms

 - Minor cleanups of Kconfig

* tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (38 commits)
  initramfs: Remove redundant dependency of RD_ZSTD on BLK_DEV_INITRD
  kbuild: remove deprecated 'always' and 'hostprogs-y/m'
  kbuild: parse C= and M= before changing the working directory
  kbuild: reuse this-makefile to define abs_srctree
  kconfig: unify rule of config, menuconfig, nconfig, gconfig, xconfig
  kconfig: omit --oldaskconfig option for 'make config'
  kconfig: fix 'invalid option' for help option
  kconfig: remove dead code in conf_askvalue()
  kconfig: clean up nested if-conditionals in check_conf()
  kconfig: Remove duplicate call to sym_get_string_value()
  Makefile: Remove # characters from compiler string
  Makefile: reuse CC_VERSION_TEXT
  kbuild: check the minimum linker version in Kconfig
  kbuild: remove ld-version macro
  scripts: add generic syscallhdr.sh
  scripts: add generic syscalltbl.sh
  arch: syscalls: remove $(srctree)/ prefix from syscall tables
  arch: syscalls: add missing FORCE and fix 'targets' to make if_changed work
  gen_compile_commands: prune some directories
  kbuild: simplify access to the kernel's version
  ...
This commit is contained in:
Linus Torvalds
2021-02-25 10:17:31 -08:00
parent 6f9972bbfe 481083ec0b
commit 6fbd6cf85a
65 changed files with 698 additions and 498 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Documentation/devicetree/bindings/Makefile
View File

@@ -78,10 +78,10 @@ $(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
endif
extra-$(CHECK_DT_BINDING) += processed-schema-examples.json
extra-$(CHECK_DTBS) += processed-schema.json
extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
always-$(CHECK_DT_BINDING) += processed-schema-examples.json
always-$(CHECK_DTBS) += processed-schema.json
always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
# build artifacts here before they are processed by scripts/Makefile.clean

8
Documentation/kbuild/makefiles.rst
View File

@@ -12,7 +12,7 @@ This document describes the Linux kernel Makefiles.
--- 3.1 Goal definitions
--- 3.2 Built-in object goals - obj-y
--- 3.3 Loadable module goals - obj-m
--- 3.4 Objects which export symbols
--- 3.4 <deleted>
--- 3.5 Library file goals - lib-y
--- 3.6 Descending down in directories
--- 3.7 Non-builtin vmlinux targets - extra-y
@@ -247,12 +247,6 @@ more details, with real examples.
kbuild will build an ext2.o file for you out of the individual
parts and then link this into built-in.a, as you would expect.
3.4 Objects which export symbols
--------------------------------
No special notation is required in the makefiles for
modules exporting symbols.
3.5 Library file goals - lib-y
------------------------------

2
MAINTAINERS
View File

@@ -4319,8 +4319,6 @@ C: irc://chat.freenode.net/clangbuiltlinux
F: Documentation/kbuild/llvm.rst
F: include/linux/compiler-clang.h
F: scripts/clang-tools/
F: scripts/clang-version.sh
F: scripts/lld-version.sh
K: \b(?i:clang|llvm)\b
CLEANCACHE API

105
Makefile
View File

@@ -100,6 +100,36 @@ endif
export quiet Q KBUILD_VERBOSE
# Call a source code checker (by default, "sparse") as part of the
# C compilation.
#
# Use 'make C=1' to enable checking of only re-compiled files.
# Use 'make C=2' to enable checking of *all* source files, regardless
# of whether they are re-compiled or not.
#
# See the file "Documentation/dev-tools/sparse.rst" for more details,
# including where to get the "sparse" utility.
ifeq ("$(origin C)", "command line")
KBUILD_CHECKSRC = $(C)
endif
ifndef KBUILD_CHECKSRC
KBUILD_CHECKSRC = 0
endif
export KBUILD_CHECKSRC
# Use make M=dir or set the environment variable KBUILD_EXTMOD to specify the
# directory of external module to build. Setting M= takes precedence.
ifeq ("$(origin M)", "command line")
KBUILD_EXTMOD := $(M)
endif
$(if $(word 2, $(KBUILD_EXTMOD)), \
$(error building multiple external modules is not supported))
export KBUILD_EXTMOD
# Kbuild will save output files in the current working directory.
# This does not need to match to the root of the kernel source tree.
#
@@ -145,7 +175,8 @@ else
need-sub-make := 1
endif
abs_srctree := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
this-makefile := $(lastword $(MAKEFILE_LIST))
abs_srctree := $(realpath $(dir $(this-makefile)))
ifneq ($(words $(subst :, ,$(abs_srctree))), 1)
$(error source directory cannot contain spaces or colons)
@@ -160,8 +191,6 @@ MAKEFLAGS += --include-dir=$(abs_srctree)
need-sub-make := 1
endif
this-makefile := $(lastword $(MAKEFILE_LIST))
ifneq ($(filter 3.%,$(MAKE_VERSION)),)
# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x
# We need to invoke sub-make to avoid implicit rules in the top Makefile.
@@ -195,36 +224,6 @@ ifeq ($(need-sub-make),)
# so that IDEs/editors are able to understand relative filenames.
MAKEFLAGS += --no-print-directory
# Call a source code checker (by default, "sparse") as part of the
# C compilation.
#
# Use 'make C=1' to enable checking of only re-compiled files.
# Use 'make C=2' to enable checking of *all* source files, regardless
# of whether they are re-compiled or not.
#
# See the file "Documentation/dev-tools/sparse.rst" for more details,
# including where to get the "sparse" utility.
ifeq ("$(origin C)", "command line")
KBUILD_CHECKSRC = $(C)
endif
ifndef KBUILD_CHECKSRC
KBUILD_CHECKSRC = 0
endif
# Use make M=dir or set the environment variable KBUILD_EXTMOD to specify the
# directory of external module to build. Setting M= takes precedence.
ifeq ("$(origin M)", "command line")
KBUILD_EXTMOD := $(M)
endif
$(if $(word 2, $(KBUILD_EXTMOD)), \
$(error building multiple external modules is not supported))
export KBUILD_CHECKSRC KBUILD_EXTMOD
extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
ifeq ($(abs_srctree),$(abs_objtree))
# building in the source tree
srctree := .
@@ -257,7 +256,6 @@ export building_out_of_srctree srctree objtree VPATH
# of make so .config is not included in this case either (for *config).
version_h := include/generated/uapi/linux/version.h
old_version_h := include/linux/version.h
clean-targets := %clean mrproper cleandocs
no-dot-config-targets := $(clean-targets) \
@@ -558,7 +556,13 @@ ifdef building_out_of_srctree
{ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
endif
ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
# and from include/config/auto.conf.cmd to detect the compiler upgrade.
CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1 | sed 's/\#//g')
ifneq ($(findstring clang,$(CC_VERSION_TEXT)),)
ifneq ($(CROSS_COMPILE),)
CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
@@ -577,12 +581,6 @@ KBUILD_AFLAGS += $(CLANG_FLAGS)
export CLANG_FLAGS
endif
# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
# and from include/config/auto.conf.cmd to detect the compiler upgrade.
CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1)
ifdef config-build
# ===========================================================================
# *config targets only - make sure prerequisites are updated, and descend
@@ -832,8 +830,10 @@ ifneq ($(LLVM_IAS),1)
KBUILD_AFLAGS += -Wa,-gdwarf-2
endif
ifdef CONFIG_DEBUG_INFO_DWARF4
DEBUG_CFLAGS += -gdwarf-4
ifndef CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
dwarf-version-$(CONFIG_DEBUG_INFO_DWARF4) := 4
dwarf-version-$(CONFIG_DEBUG_INFO_DWARF5) := 5
DEBUG_CFLAGS += -gdwarf-$(dwarf-version-y)
endif
ifdef CONFIG_DEBUG_INFO_REDUCED
@@ -1072,7 +1072,7 @@ ifdef CONFIG_MODULE_COMPRESS
mod_compress_cmd = $(KGZIP) -n -f
endif # CONFIG_MODULE_COMPRESS_GZIP
ifdef CONFIG_MODULE_COMPRESS_XZ
mod_compress_cmd = $(XZ) -f
mod_compress_cmd = $(XZ) --lzma2=dict=2MiB -f
endif # CONFIG_MODULE_COMPRESS_XZ
endif # CONFIG_MODULE_COMPRESS
export mod_compress_cmd
@@ -1123,6 +1123,7 @@ endif # CONFIG_BPF
PHONY += prepare0
extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
export MODORDER := $(extmod-prefix)modules.order
export MODULES_NSDEPS := $(extmod-prefix)modules.nsdeps
@@ -1280,14 +1281,22 @@ define filechk_utsrelease.h
endef
define filechk_version.h
echo \#define LINUX_VERSION_CODE $(shell \
expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'
if [ $(SUBLEVEL) -gt 255 ]; then \
echo \#define LINUX_VERSION_CODE $(shell \
expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 255); \
else \
echo \#define LINUX_VERSION_CODE $(shell \
expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \
fi; \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + \
((c) > 255 ? 255 : (c)))'; \
echo \#define LINUX_VERSION_MAJOR $(VERSION); \
echo \#define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL); \
echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
endef
$(version_h): FORCE
$(call filechk,version.h)
$(Q)rm -f $(old_version_h)
include/generated/utsrelease.h: include/config/kernel.release FORCE
$(call filechk,utsrelease.h)

13
arch/alpha/kernel/syscalls/Makefile
View File

@@ -5,7 +5,7 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
$(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
syscall := $(srctree)/$(src)/syscall.tbl
syscall := $(src)/syscall.tbl
syshdr := $(srctree)/$(src)/syscallhdr.sh
systbl := $(srctree)/$(src)/syscalltbl.sh
@@ -21,18 +21,19 @@ quiet_cmd_systbl = SYSTBL $@
'$(systbl_abi_$(basetarget))' \
'$(systbl_offset_$(basetarget))'
$(uapi)/unistd_32.h: $(syscall) $(syshdr)
$(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
$(call if_changed,syshdr)
$(kapi)/syscall_table.h: $(syscall) $(systbl)
$(kapi)/syscall_table.h: $(syscall) $(systbl) FORCE
$(call if_changed,systbl)
uapisyshdr-y += unistd_32.h
kapisyshdr-y += syscall_table.h
targets += $(uapisyshdr-y) $(kapisyshdr-y)
uapisyshdr-y := $(addprefix $(uapi)/, $(uapisyshdr-y))
kapisyshdr-y := $(addprefix $(kapi)/, $(kapisyshdr-y))
targets += $(addprefix ../../../../, $(uapisyshdr-y) $(kapisyshdr-y))
PHONY += all
all: $(addprefix $(uapi)/,$(uapisyshdr-y))
all: $(addprefix $(kapi)/,$(kapisyshdr-y))
all: $(uapisyshdr-y) $(kapisyshdr-y)
@:

2
arch/arm/tools/Makefile
View File

@@ -11,7 +11,7 @@ uapi := $(gen)/uapi/asm
syshdr := $(srctree)/$(src)/syscallhdr.sh
sysnr := $(srctree)/$(src)/syscallnr.sh
systbl := $(srctree)/$(src)/syscalltbl.sh
syscall := $(srctree)/$(src)/syscall.tbl
syscall := $(src)/syscall.tbl
gen-y := $(gen)/calls-oabi.S
gen-y += $(gen)/calls-eabi.S

2
arch/arm64/Kconfig
View File

@@ -1485,7 +1485,7 @@ config ARM64_PTR_AUTH
depends on (CC_HAS_SIGN_RETURN_ADDRESS || CC_HAS_BRANCH_PROT_PAC_RET) && AS_HAS_PAC
# Modern compilers insert a .note.gnu.property section note for PAC
# which is only understood by binutils starting with version 2.33.1.
depends on LD_IS_LLD || LD_VERSION >= 233010000 || (CC_IS_GCC && GCC_VERSION < 90100)
depends on LD_IS_LLD || LD_VERSION >= 23301 || (CC_IS_GCC && GCC_VERSION < 90100)
depends on !CC_IS_CLANG || AS_HAS_CFI_NEGATE_RA_STATE
depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
help

6
arch/ia64/Makefile
View File

@@ -85,9 +85,3 @@ define archhelp
echo ' install - Install compressed kernel image'
echo '* unwcheck - Check vmlinux for invalid unwind info'
endef
archprepare: make_nr_irqs_h
PHONY += make_nr_irqs_h
make_nr_irqs_h:
$(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h

4
arch/ia64/include/asm/irq.h
View File

@@ -14,7 +14,9 @@
#include <linux/types.h>
#include <linux/cpumask.h>
#include <generated/nr-irqs.h>
#include <asm/native/irq.h>
#define NR_IRQS IA64_NATIVE_NR_IRQS
static __inline__ int
irq_canonicalize (int irq)

11
arch/ia64/include/asm/mca.h
View File

@@ -14,13 +14,10 @@
#if !defined(__ASSEMBLY__)
#include <linux/interrupt.h>
#include <linux/percpu.h>
#include <linux/threads.h>
#include <linux/types.h>
#include <asm/param.h>
#include <asm/sal.h>
#include <asm/processor.h>
#include <asm/mca_asm.h>
#include <asm/ptrace.h>
#define IA64_MCA_RENDEZ_TIMEOUT (20 * 1000) /* value in milliseconds - 20 seconds */
@@ -83,7 +80,7 @@ struct ia64_sal_os_state {
/* common */
unsigned long sal_ra; /* Return address in SAL, physical */
unsigned long sal_gp; /* GP of the SAL - physical */
pal_min_state_area_t *pal_min_state; /* from R17. physical in asm, virtual in C */
struct pal_min_state_area *pal_min_state; /* from R17. physical in asm, virtual in C */
/* Previous values of IA64_KR(CURRENT) and IA64_KR(CURRENT_STACK).
* Note: if the MCA/INIT recovery code wants to resume to a new context
* then it must change these values to reflect the new kernel stack.

4
arch/ia64/include/asm/pal.h
View File

@@ -750,7 +750,7 @@ typedef union pal_mc_error_info_u {
* for PAL.
*/
typedef struct pal_min_state_area_s {
struct pal_min_state_area {
u64 pmsa_nat_bits; /* nat bits for saved GRs */
u64 pmsa_gr[15]; /* GR1 - GR15 */
u64 pmsa_bank0_gr[16]; /* GR16 - GR31 */
@@ -766,7 +766,7 @@ typedef struct pal_min_state_area_s {
u64 pmsa_xfs; /* previous ifs */
u64 pmsa_br1; /* branch register 1 */
u64 pmsa_reserved[70]; /* pal_min_state_area should total to 1KB */
} pal_min_state_area_t;
};
struct ia64_pal_retval {

2
arch/ia64/include/asm/sal.h
View File

@@ -385,7 +385,7 @@ typedef struct sal_processor_static_info {
fr : 1,
reserved : 58;
} valid;
pal_min_state_area_t min_state_area;
struct pal_min_state_area min_state_area;
u64 br[8];
u64 cr[128];
u64 ar[128];

5
arch/ia64/kernel/Makefile
View File

@@ -47,8 +47,3 @@ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31
# The gate DSO image is built using a special linker script.
include $(src)/Makefile.gate
include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s FORCE
$(call filechk,offsets,__ASM_NR_IRQS_H__)
targets += nr-irqs.s

18
arch/ia64/kernel/asm-offsets.c
View File

@@ -245,23 +245,23 @@ void foo(void)
BLANK();
DEFINE(IA64_PMSA_GR_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_gr));
offsetof(struct pal_min_state_area, pmsa_gr));
DEFINE(IA64_PMSA_BANK1_GR_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_bank1_gr));
offsetof(struct pal_min_state_area, pmsa_bank1_gr));
DEFINE(IA64_PMSA_PR_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_pr));
offsetof(struct pal_min_state_area, pmsa_pr));
DEFINE(IA64_PMSA_BR0_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_br0));
offsetof(struct pal_min_state_area, pmsa_br0));
DEFINE(IA64_PMSA_RSC_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_rsc));
offsetof(struct pal_min_state_area, pmsa_rsc));
DEFINE(IA64_PMSA_IIP_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_iip));
offsetof(struct pal_min_state_area, pmsa_iip));
DEFINE(IA64_PMSA_IPSR_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_ipsr));
offsetof(struct pal_min_state_area, pmsa_ipsr));
DEFINE(IA64_PMSA_IFS_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_ifs));
offsetof(struct pal_min_state_area, pmsa_ifs));
DEFINE(IA64_PMSA_XIP_OFFSET,
offsetof (struct pal_min_state_area_s, pmsa_xip));
offsetof(struct pal_min_state_area, pmsa_xip));
BLANK();
/* used by fsys_gettimeofday in arch/ia64/kernel/fsys.S */

1
arch/ia64/kernel/crash.c
View File

@@ -15,6 +15,7 @@
#include <linux/memblock.h>
#include <linux/kexec.h>
#include <linux/elfcore.h>
#include <linux/reboot.h>
#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/kdebug.h>

1
arch/ia64/kernel/efi.c
View File

@@ -40,6 +40,7 @@
#include <asm/meminit.h>
#include <asm/processor.h>
#include <asm/mca.h>
#include <asm/sal.h>
#include <asm/setup.h>
#include <asm/tlbflush.h>

5
arch/ia64/kernel/mca.c
View File

@@ -97,6 +97,7 @@
#include <asm/ptrace.h>
#include <asm/sal.h>
#include <asm/mca.h>
#include <asm/mca_asm.h>
#include <asm/kexec.h>
#include <asm/irq.h>
@@ -895,7 +896,7 @@ static void
finish_pt_regs(struct pt_regs *regs, struct ia64_sal_os_state *sos,
unsigned long *nat)
{
const pal_min_state_area_t *ms = sos->pal_min_state;
const struct pal_min_state_area *ms = sos->pal_min_state;
const u64 *bank;
/* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
@@ -971,7 +972,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
char *p;
ia64_va va;
extern char ia64_leave_kernel[]; /* Need asm address, not function descriptor */
const pal_min_state_area_t *ms = sos->pal_min_state;
const struct pal_min_state_area *ms = sos->pal_min_state;
struct task_struct *previous_current;
struct pt_regs *old_regs;
struct switch_stack *old_sw;

2
arch/ia64/kernel/mca_drv.c
View File

@@ -496,7 +496,7 @@ recover_from_read_error(slidx_table_t *slidx,
struct ia64_sal_os_state *sos)
{
u64 target_identifier;
pal_min_state_area_t *pmsa;
struct pal_min_state_area *pmsa;
struct ia64_psr *psr1, *psr2;
ia64_fptr_t *mca_hdlr_bh = (ia64_fptr_t*)mca_handler_bhhook;

22
arch/ia64/kernel/nr-irqs.c
View File

@@ -1,22 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* calculate
* NR_IRQS = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, FOO_NR_IRQS...)
* depending on config.
* This must be calculated before processing asm-offset.c.
*/
#define ASM_OFFSETS_C 1
#include <linux/kbuild.h>
#include <linux/threads.h>
#include <asm/native/irq.h>
void foo(void)
{
union paravirt_nr_irqs_max {
char ia64_native_nr_irqs[IA64_NATIVE_NR_IRQS];
};
DEFINE(NR_IRQS, sizeof (union paravirt_nr_irqs_max));
}

13
arch/ia64/kernel/syscalls/Makefile
View File

@@ -5,7 +5,7 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
$(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
syscall := $(srctree)/$(src)/syscall.tbl
syscall := $(src)/syscall.tbl
syshdr := $(srctree)/$(src)/syscallhdr.sh
systbl := $(srctree)/$(src)/syscalltbl.sh
@@ -22,19 +22,20 @@ quiet_cmd_systbl = SYSTBL $@
'$(systbl_offset_$(basetarget))'
syshdr_offset_unistd_64 := __NR_Linux
$(uapi)/unistd_64.h: $(syscall) $(syshdr)
$(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE
$(call if_changed,syshdr)
systbl_offset_syscall_table := 1024
$(kapi)/syscall_table.h: $(syscall) $(systbl)
$(kapi)/syscall_table.h: $(syscall) $(systbl) FORCE
$(call if_changed,systbl)
uapisyshdr-y += unistd_64.h
kapisyshdr-y += syscall_table.h
targets += $(uapisyshdr-y) $(kapisyshdr-y)
uapisyshdr-y := $(addprefix $(uapi)/, $(uapisyshdr-y))
kapisyshdr-y := $(addprefix $(kapi)/, $(kapisyshdr-y))
targets += $(addprefix ../../../../, $(uapisyshdr-y) $(kapisyshdr-y))
PHONY += all
all: $(addprefix $(uapi)/,$(uapisyshdr-y))
all: $(addprefix $(kapi)/,$(kapisyshdr-y))
all: $(uapisyshdr-y) $(kapisyshdr-y)
@:

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