Merge remote-tracking branch 'stable/linux-5.15.y' into rpi-5.15.y

2023-02-01 17:30:22 +00:00
parent 1ad6225d52 9cf4111cdf
commit e9e421392e
274 changed files with 2176 additions and 1323 deletions
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -3,8 +3,8 @@
 # scripts contains sources for various helper programs used throughout
 # the kernel for the build process.

-CRYPTO_LIBS = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
-CRYPTO_CFLAGS = $(shell pkg-config --cflags libcrypto 2> /dev/null)
+CRYPTO_LIBS = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
+CRYPTO_CFLAGS = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)

 hostprogs-always-$(CONFIG_BUILD_BIN2C)			+= bin2c
 hostprogs-always-$(CONFIG_KALLSYMS)			+= kallsyms
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -18,7 +18,7 @@ fdtoverlay-objs	:= $(libfdt) fdtoverlay.o util.o
 # Source files need to get at the userspace version of libfdt_env.h to compile
 HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt

-ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
+ifeq ($(shell $(HOSTPKG_CONFIG) --exists yaml-0.1 2>/dev/null && echo yes),)
 ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
 $(error dtc needs libyaml for DT schema validation support. \
 	Install the necessary libyaml development package.)
@@ -27,9 +27,9 @@ HOST_EXTRACFLAGS += -DNO_YAML
 else
 dtc-objs	+= yamltree.o
 # To include <yaml.h> installed in a non-default path
-HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
+HOSTCFLAGS_yamltree.o := $(shell $(HOSTPKG_CONFIG) --cflags yaml-0.1)
 # To link libyaml installed in a non-default path
-HOSTLDLIBS_dtc	:= $(shell pkg-config --libs yaml-0.1)
+HOSTLDLIBS_dtc	:= $(shell $(HOSTPKG_CONFIG) --libs yaml-0.1)
 endif

 # Generated files need one more search path to include headers in source tree
--- a/scripts/kconfig/gconf-cfg.sh
+++ b/scripts/kconfig/gconf-cfg.sh
@@ -3,14 +3,14 @@

 PKG="gtk+-2.0 gmodule-2.0 libglade-2.0"

-if [ -z "$(command -v pkg-config)" ]; then
+if [ -z "$(command -v ${HOSTPKG_CONFIG})" ]; then
 	echo >&2 "*"
-	echo >&2 "* 'make gconfig' requires 'pkg-config'. Please install it."
+	echo >&2 "* 'make gconfig' requires '${HOSTPKG_CONFIG}'. Please install it."
 	echo >&2 "*"
 	exit 1
 fi

-if ! pkg-config --exists $PKG; then
+if ! ${HOSTPKG_CONFIG} --exists $PKG; then
 	echo >&2 "*"
 	echo >&2 "* Unable to find the GTK+ installation. Please make sure that"
 	echo >&2 "* the GTK+ 2.0 development package is correctly installed."
@@ -19,12 +19,12 @@ if ! pkg-config --exists $PKG; then
 	exit 1
 fi

-if ! pkg-config --atleast-version=2.0.0 gtk+-2.0; then
+if ! ${HOSTPKG_CONFIG} --atleast-version=2.0.0 gtk+-2.0; then
 	echo >&2 "*"
 	echo >&2 "* GTK+ is present but version >= 2.0.0 is required."
 	echo >&2 "*"
 	exit 1
 fi

-echo cflags=\"$(pkg-config --cflags $PKG)\"
-echo libs=\"$(pkg-config --libs $PKG)\"
+echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG)\"
+echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\"
--- a/scripts/kconfig/mconf-cfg.sh
+++ b/scripts/kconfig/mconf-cfg.sh
@@ -4,16 +4,16 @@
 PKG="ncursesw"
 PKG2="ncurses"

-if [ -n "$(command -v pkg-config)" ]; then
-	if pkg-config --exists $PKG; then
-		echo cflags=\"$(pkg-config --cflags $PKG)\"
-		echo libs=\"$(pkg-config --libs $PKG)\"
+if [ -n "$(command -v ${HOSTPKG_CONFIG})" ]; then
+	if ${HOSTPKG_CONFIG} --exists $PKG; then
+		echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG)\"
+		echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\"
 		exit 0
 	fi

-	if pkg-config --exists $PKG2; then
-		echo cflags=\"$(pkg-config --cflags $PKG2)\"
-		echo libs=\"$(pkg-config --libs $PKG2)\"
+	if ${HOSTPKG_CONFIG} --exists $PKG2; then
+		echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG2)\"
+		echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG2)\"
 		exit 0
 	fi
 fi
@@ -46,7 +46,7 @@ echo >&2 "* Unable to find the ncurses package."
 echo >&2 "* Install ncurses (ncurses-devel or libncurses-dev"
 echo >&2 "* depending on your distribution)."
 echo >&2 "*"
-echo >&2 "* You may also need to install pkg-config to find the"
+echo >&2 "* You may also need to install ${HOSTPKG_CONFIG} to find the"
 echo >&2 "* ncurses installed in a non-default location."
 echo >&2 "*"
 exit 1
--- a/scripts/kconfig/nconf-cfg.sh
+++ b/scripts/kconfig/nconf-cfg.sh
@@ -4,16 +4,16 @@
 PKG="ncursesw menuw panelw"
 PKG2="ncurses menu panel"

-if [ -n "$(command -v pkg-config)" ]; then
-	if pkg-config --exists $PKG; then
-		echo cflags=\"$(pkg-config --cflags $PKG)\"
-		echo libs=\"$(pkg-config --libs $PKG)\"
+if [ -n "$(command -v ${HOSTPKG_CONFIG})" ]; then
+	if ${HOSTPKG_CONFIG} --exists $PKG; then
+		echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG)\"
+		echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\"
 		exit 0
 	fi

-	if pkg-config --exists $PKG2; then
-		echo cflags=\"$(pkg-config --cflags $PKG2)\"
-		echo libs=\"$(pkg-config --libs $PKG2)\"
+	if ${HOSTPKG_CONFIG} --exists $PKG2; then
+		echo cflags=\"$(${HOSTPKG_CONFIG} --cflags $PKG2)\"
+		echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG2)\"
 		exit 0
 	fi
 fi
@@ -44,7 +44,7 @@ echo >&2 "* Unable to find the ncurses package."
 echo >&2 "* Install ncurses (ncurses-devel or libncurses-dev"
 echo >&2 "* depending on your distribution)."
 echo >&2 "*"
-echo >&2 "* You may also need to install pkg-config to find the"
+echo >&2 "* You may also need to install ${HOSTPKG_CONFIG} to find the"
 echo >&2 "* ncurses installed in a non-default location."
 echo >&2 "*"
 exit 1
--- a/scripts/kconfig/qconf-cfg.sh
+++ b/scripts/kconfig/qconf-cfg.sh
@@ -3,22 +3,22 @@

 PKG="Qt5Core Qt5Gui Qt5Widgets"

-if [ -z "$(command -v pkg-config)" ]; then
+if [ -z "$(command -v ${HOSTPKG_CONFIG})" ]; then
 	echo >&2 "*"
-	echo >&2 "* 'make xconfig' requires 'pkg-config'. Please install it."
+	echo >&2 "* 'make xconfig' requires '${HOSTPKG_CONFIG}'. Please install it."
 	echo >&2 "*"
 	exit 1
 fi

-if pkg-config --exists $PKG; then
-	echo cflags=\"-std=c++11 -fPIC $(pkg-config --cflags $PKG)\"
-	echo libs=\"$(pkg-config --libs $PKG)\"
-	echo moc=\"$(pkg-config --variable=host_bins Qt5Core)/moc\"
+if ${HOSTPKG_CONFIG} --exists $PKG; then
+	echo cflags=\"-std=c++11 -fPIC $(${HOSTPKG_CONFIG} --cflags $PKG)\"
+	echo libs=\"$(${HOSTPKG_CONFIG} --libs $PKG)\"
+	echo moc=\"$(${HOSTPKG_CONFIG} --variable=host_bins Qt5Core)/moc\"
 	exit 0
 fi

 echo >&2 "*"
-echo >&2 "* Could not find Qt5 via pkg-config."
+echo >&2 "* Could not find Qt5 via ${HOSTPKG_CONFIG}."
 echo >&2 "* Please install Qt5 and make sure it's in PKG_CONFIG_PATH"
 echo >&2 "*"
 exit 1
--- a/scripts/tracing/ftrace-bisect.sh
+++ b/scripts/tracing/ftrace-bisect.sh
@@ -12,7 +12,7 @@
 #   (note, if this is a problem with function_graph tracing, then simply
 #    replace "function" with "function_graph" in the following steps).
 #
-#  # cd /sys/kernel/debug/tracing
+#  # cd /sys/kernel/tracing
 #  # echo schedule > set_ftrace_filter
 #  # echo function > current_tracer
 #
@@ -20,22 +20,40 @@
 #
 #  # echo nop > current_tracer
 #
-#  # cat available_filter_functions > ~/full-file
+# Starting with v5.1 this can be done with numbers, making it much faster:
+#
+# The old (slow) way, for kernels before v5.1.
+#
+# [old-way] # cat available_filter_functions > ~/full-file
+#
+# [old-way] *** Note ***  this process will take several minutes to update the
+# [old-way] filters. Setting multiple functions is an O(n^2) operation, and we
+# [old-way] are dealing with thousands of functions. So go have coffee, talk
+# [old-way] with your coworkers, read facebook. And eventually, this operation
+# [old-way] will end.
+#
+# The new way (using numbers) is an O(n) operation, and usually takes less than a second.
+#
+# seq `wc -l available_filter_functions | cut -d' ' -f1` > ~/full-file
+#
+# This will create a sequence of numbers that match the functions in
+# available_filter_functions, and when echoing in a number into the
+# set_ftrace_filter file, it will enable the corresponding function in
+# O(1) time. Making enabling all functions O(n) where n is the number of
+# functions to enable.
+#
+# For either the new or old way, the rest of the operations remain the same.
+#
 #  # ftrace-bisect ~/full-file ~/test-file ~/non-test-file
 #  # cat ~/test-file > set_ftrace_filter
 #
-# *** Note *** this will take several minutes. Setting multiple functions is
-# an O(n^2) operation, and we are dealing with thousands of functions. So go
-# have  coffee, talk with your coworkers, read facebook. And eventually, this
-# operation will end.
-#
 #  # echo function > current_tracer
 #
 # If it crashes, we know that ~/test-file has a bad function.
 #
 #   Reboot back to test kernel.
 #
-#     # cd /sys/kernel/debug/tracing
+#     # cd /sys/kernel/tracing
 #     # mv ~/test-file ~/full-file
 #
 # If it didn't crash.