mm/filemap: change filemap_create_page calling conventions

[mirror_ubuntu-jammy-kernel.git] / Makefile

diff --git a/Makefile b/Makefile
index e0af7a4a55985890764f44b74da4fbccaf78903e..b18dbc634690261a00d371e7e76aeb1936835033 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
 VERSION = 5
 PATCHLEVEL = 11
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
-NAME = Kleptomaniac Octopus
+EXTRAVERSION =
+NAME = 💕 Valentine's Day Edition 💕
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -452,7 +452,6 @@ AWK         = awk
 INSTALLKERNEL  := installkernel
 DEPMOD         = depmod
 PERL           = perl
-PYTHON         = python
 PYTHON3                = python3
 CHECK          = sparse
 BASH           = bash
@@ -508,7 +507,7 @@ CLANG_FLAGS :=
 
 export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC
 export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
-export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
+export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
 export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
 export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
 
@@ -649,7 +648,8 @@ ifeq ($(KBUILD_EXTMOD),)
 core-y         := init/ usr/
 drivers-y      := drivers/ sound/
 drivers-$(CONFIG_SAMPLES) += samples/
-drivers-y      += net/ virt/
+drivers-$(CONFIG_NET) += net/
+drivers-y      += virt/
 libs-y         := lib/
 endif # KBUILD_EXTMOD
 
@@ -812,10 +812,12 @@ KBUILD_CFLAGS     += -ftrivial-auto-var-init=zero
 KBUILD_CFLAGS  += -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
 endif
 
+DEBUG_CFLAGS   :=
+
 # Workaround for GCC versions < 5.0
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801
 ifdef CONFIG_CC_IS_GCC
-DEBUG_CFLAGS   := $(call cc-ifversion, -lt, 0500, $(call cc-option, -fno-var-tracking-assignments))
+DEBUG_CFLAGS   += $(call cc-ifversion, -lt, 0500, $(call cc-option, -fno-var-tracking-assignments))
 endif
 
 ifdef CONFIG_DEBUG_INFO
@@ -851,12 +853,8 @@ KBUILD_CFLAGS += $(DEBUG_CFLAGS)
 export DEBUG_CFLAGS
 
 ifdef CONFIG_FUNCTION_TRACER
-ifdef CONFIG_FTRACE_MCOUNT_RECORD
-  # gcc 5 supports generating the mcount tables directly
-  ifeq ($(call cc-option-yn,-mrecord-mcount),y)
-    CC_FLAGS_FTRACE    += -mrecord-mcount
-    export CC_USING_RECORD_MCOUNT := 1
-  endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_CC
+  CC_FLAGS_FTRACE      += -mrecord-mcount
   ifdef CONFIG_HAVE_NOP_MCOUNT
     ifeq ($(call cc-option-yn, -mnop-mcount),y)
       CC_FLAGS_FTRACE  += -mnop-mcount
@@ -864,6 +862,15 @@ ifdef CONFIG_FTRACE_MCOUNT_RECORD
     endif
   endif
 endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
+  CC_FLAGS_USING       += -DCC_USING_NOP_MCOUNT
+endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
+  ifdef CONFIG_HAVE_C_RECORDMCOUNT
+    BUILD_C_RECORDMCOUNT := y
+    export BUILD_C_RECORDMCOUNT
+  endif
+endif
 ifdef CONFIG_HAVE_FENTRY
   ifeq ($(call cc-option-yn, -mfentry),y)
     CC_FLAGS_FTRACE    += -mfentry
@@ -873,12 +880,6 @@ endif
 export CC_FLAGS_FTRACE
 KBUILD_CFLAGS  += $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING)
 KBUILD_AFLAGS  += $(CC_FLAGS_USING)
-ifdef CONFIG_DYNAMIC_FTRACE
-       ifdef CONFIG_HAVE_C_RECORDMCOUNT
-               BUILD_C_RECORDMCOUNT := y
-               export BUILD_C_RECORDMCOUNT
-       endif
-endif
 endif
 
 # We trigger additional mismatches with less inlining
@@ -897,6 +898,25 @@ KBUILD_CFLAGS      += $(CC_FLAGS_SCS)
 export CC_FLAGS_SCS
 endif
 
+ifdef CONFIG_LTO_CLANG
+ifdef CONFIG_LTO_CLANG_THIN
+CC_FLAGS_LTO   := -flto=thin -fsplit-lto-unit
+KBUILD_LDFLAGS += --thinlto-cache-dir=$(extmod-prefix).thinlto-cache
+else
+CC_FLAGS_LTO   := -flto
+endif
+CC_FLAGS_LTO   += -fvisibility=hidden
+
+# Limit inlining across translation units to reduce binary size
+KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
+endif
+
+ifdef CONFIG_LTO
+KBUILD_CFLAGS  += -fno-lto $(CC_FLAGS_LTO)
+KBUILD_AFLAGS  += -fno-lto
+export CC_FLAGS_LTO
+endif
+
 ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B
 KBUILD_CFLAGS += -falign-functions=32
 endif
@@ -948,12 +968,6 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=designated-init)
 # change __FILE__ to the relative path from the srctree
 KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 
-# ensure -fcf-protection is disabled when using retpoline as it is
-# incompatible with -mindirect-branch=thunk-extern
-ifdef CONFIG_RETPOLINE
-KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none)
-endif
-
 # include additional Makefiles when needed
 include-y                      := scripts/Makefile.extrawarn
 include-$(CONFIG_KASAN)                += scripts/Makefile.kasan
@@ -1086,6 +1100,17 @@ ifdef CONFIG_STACK_VALIDATION
   endif
 endif
 
+PHONY += resolve_btfids_clean
+
+resolve_btfids_O = $(abspath $(objtree))/tools/bpf/resolve_btfids
+
+# tools/bpf/resolve_btfids directory might not exist
+# in output directory, skip its clean in that case
+resolve_btfids_clean:
+ifneq ($(wildcard $(resolve_btfids_O)),)
+       $(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(resolve_btfids_O) clean
+endif
+
 ifdef CONFIG_BPF
 ifdef CONFIG_DEBUG_INFO_BTF
   ifeq ($(has_libelf),1)
@@ -1222,6 +1247,10 @@ uapi-asm-generic:
 PHONY += prepare-objtool prepare-resolve_btfids
 prepare-objtool: $(objtool_target)
 ifeq ($(SKIP_STACK_VALIDATION),1)
+ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
+       @echo "error: Cannot generate __mcount_loc for CONFIG_DYNAMIC_FTRACE=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+       @false
+endif
 ifdef CONFIG_UNWINDER_ORC
        @echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
        @false
@@ -1337,6 +1366,9 @@ ifneq ($(dtstree),)
 %.dtb: include/config/kernel.release scripts_dtc
        $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
 
+%.dtbo: include/config/kernel.release scripts_dtc
+       $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
+
 PHONY += dtbs dtbs_install dtbs_check
 dtbs: include/config/kernel.release scripts_dtc
        $(Q)$(MAKE) $(build)=$(dtstree)
@@ -1483,7 +1515,7 @@ MRPROPER_FILES += include/config include/generated          \
                  *.spec
 
 # Directories & files removed with 'make distclean'
-DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
+DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS .thinlto-cache
 
 # clean - Delete most, but leave enough to build external modules
 #
@@ -1495,7 +1527,7 @@ vmlinuxclean:
        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
        $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
 
-clean: archclean vmlinuxclean
+clean: archclean vmlinuxclean resolve_btfids_clean
 
 # mrproper - Delete all generated files, including .config
 #
@@ -1729,7 +1761,7 @@ PHONY += compile_commands.json
 
 clean-dirs := $(KBUILD_EXTMOD)
 clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
-       $(KBUILD_EXTMOD)/compile_commands.json
+       $(KBUILD_EXTMOD)/compile_commands.json $(KBUILD_EXTMOD)/.thinlto-cache
 
 PHONY += help
 help:
@@ -1816,7 +1848,7 @@ clean: $(clean-dirs)
        @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
                \( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
                -o -name '*.ko.*' \
-               -o -name '*.dtb' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
+               -o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
                -o -name '*.dwo' -o -name '*.lst' \
                -o -name '*.su' -o -name '*.mod' \
                -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
@@ -1826,7 +1858,8 @@ clean: $(clean-dirs)
                -o -name '.tmp_*.o.*' \
                -o -name '*.c.[012]*.*' \
                -o -name '*.ll' \
-               -o -name '*.gcno' \) -type f -print | xargs rm -f
+               -o -name '*.gcno' \
+               -o -name '*.*.symversions' \) -type f -print | xargs rm -f
 
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