diff options
65 files changed, 698 insertions, 498 deletions
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile index f5530c91d655..780e5618ec0a 100644 --- a/Documentation/devicetree/bindings/Makefile +++ b/Documentation/devicetree/bindings/Makefile @@ -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, $(DT_SCHEMA_FILES)) # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of # build artifacts here before they are processed by scripts/Makefile.clean diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index de669c2f1fcd..db3af0b45baf 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -12,7 +12,7 @@ This document describes the Linux kernel Makefiles. --- 3.1 Goal definitions --- 3.2 Built-in object goals - obj-y --- 3.3 Loadable module goals - obj-m - --- 3.4 Objects which export symbols + --- 3.4 <deleted> --- 3.5 Library file goals - lib-y --- 3.6 Descending down in directories --- 3.7 Non-builtin vmlinux targets - extra-y @@ -247,12 +247,6 @@ more details, with real examples. kbuild will build an ext2.o file for you out of the individual parts and then link this into built-in.a, as you would expect. -3.4 Objects which export symbols --------------------------------- - - No special notation is required in the makefiles for - modules exporting symbols. - 3.5 Library file goals - lib-y ------------------------------ diff --git a/MAINTAINERS b/MAINTAINERS index b40744cc6e99..c71664ca8bfd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4319,8 +4319,6 @@ C: irc://chat.freenode.net/clangbuiltlinux F: Documentation/kbuild/llvm.rst F: include/linux/compiler-clang.h F: scripts/clang-tools/ -F: scripts/clang-version.sh -F: scripts/lld-version.sh K: \b(?i:clang|llvm)\b CLEANCACHE API @@ -100,6 +100,36 @@ endif export quiet Q KBUILD_VERBOSE +# Call a source code checker (by default, "sparse") as part of the +# C compilation. +# +# Use 'make C=1' to enable checking of only re-compiled files. +# Use 'make C=2' to enable checking of *all* source files, regardless +# of whether they are re-compiled or not. +# +# See the file "Documentation/dev-tools/sparse.rst" for more details, +# including where to get the "sparse" utility. + +ifeq ("$(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 $(call filechk,utsrelease.h) diff --git a/arch/alpha/kernel/syscalls/Makefile b/arch/alpha/kernel/syscalls/Makefile index 659faefdcb1d..285aaba832d9 100644 --- a/arch/alpha/kernel/syscalls/Makefile +++ b/arch/alpha/kernel/syscalls/Makefile @@ -5,7 +5,7 @@ uapi := arch/$(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) @: diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile index 27d8beb7c941..3654f979851b 100644 --- a/arch/arm/tools/Makefile +++ b/arch/arm/tools/Makefile @@ -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 diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index fd8abf9cb312..fc0ce2a1f3bf 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -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 diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile index f3328a29e881..3e9da5e6c3bd 100644 --- a/arch/ia64/Makefile +++ b/arch/ia64/Makefile @@ -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 diff --git a/arch/ia64/include/asm/irq.h b/arch/ia64/include/asm/irq.h index 5acf52e90872..0eccf33dfe8b 100644 --- a/arch/ia64/include/asm/irq.h +++ b/arch/ia64/include/asm/irq.h @@ -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) diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h index 726df17f1b51..05805249296c 100644 --- a/arch/ia64/include/asm/mca.h +++ b/arch/ia64/include/asm/mca.h @@ -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. diff --git a/arch/ia64/include/asm/pal.h b/arch/ia64/include/asm/pal.h index f9d2b3b2dfad..b1d87955e8cc 100644 --- a/arch/ia64/include/asm/pal.h +++ b/arch/ia64/include/asm/pal.h @@ -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 { diff --git a/arch/ia64/include/asm/sal.h b/arch/ia64/include/asm/sal.h index 08f5b6aaed73..78f4f7b40435 100644 --- a/arch/ia64/include/asm/sal.h +++ b/arch/ia64/include/asm/sal.h @@ -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]; diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index c89bd5f8cbf8..78717819131c 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -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 diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c index fb0deb8a4221..be3b90fef2e9 100644 --- a/arch/ia64/kernel/asm-offsets.c +++ b/arch/ia64/kernel/asm-offsets.c @@ -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 */ diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index 4f47741005d2..76730f34685c 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -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> diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index dd7fd750bb93..c5fe21de46a8 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -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> diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 0fea266b4d39..d4cae2fc69ca 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -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> |