perf beauty: Move uapi/linux/mount.h copy out of the directory used to build perf

It is mostly used only to generate string tables, not to build perf, so
move it to the tools/perf/trace/beauty/include/ hierarchy, that is used
just for scraping.

This is a something that should've have happened, as happened with the
linux/socket.h scrapper, do it now as Ian suggested while doing an
audit/refactor session in the headers used by perf.

No other tools/ living code uses it, just <linux/mount.h> coming from
either 'make install_headers' or from the system /usr/include/
directory.
Suggested-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/CAP-5=fWZVrpRufO4w-S4EcSi9STXcTAN2ERLwTSN7yrSSA-otQ@mail.gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Makefile.perf

@@ -500,20 +500,20 @@ $(fadvise_advice_array): $(linux_uapi_dir)/in.h $(fadvise_advice_tbl)
 fsmount_arrays := $(beauty_outdir)/fsmount_arrays.c
 fsmount_tbls := $(srctree)/tools/perf/trace/beauty/fsmount.sh
 
-$(fsmount_arrays): $(linux_uapi_dir)/mount.h $(fsmount_tbls)
-	$(Q)$(SHELL) '$(fsmount_tbls)' $(linux_uapi_dir) > $@
+$(fsmount_arrays): $(beauty_uapi_linux_dir)/mount.h $(fsmount_tbls)
+	$(Q)$(SHELL) '$(fsmount_tbls)' $(beauty_uapi_linux_dir) > $@
 
 fspick_arrays := $(beauty_outdir)/fspick_arrays.c
 fspick_tbls := $(srctree)/tools/perf/trace/beauty/fspick.sh
 
-$(fspick_arrays): $(linux_uapi_dir)/mount.h $(fspick_tbls)
-	$(Q)$(SHELL) '$(fspick_tbls)' $(linux_uapi_dir) > $@
+$(fspick_arrays): $(beauty_uapi_linux_dir)/mount.h $(fspick_tbls)
+	$(Q)$(SHELL) '$(fspick_tbls)' $(beauty_uapi_linux_dir) > $@
 
 fsconfig_arrays := $(beauty_outdir)/fsconfig_arrays.c
 fsconfig_tbls := $(srctree)/tools/perf/trace/beauty/fsconfig.sh
 
-$(fsconfig_arrays): $(linux_uapi_dir)/mount.h $(fsconfig_tbls)
-	$(Q)$(SHELL) '$(fsconfig_tbls)' $(linux_uapi_dir) > $@
+$(fsconfig_arrays): $(beauty_uapi_linux_dir)/mount.h $(fsconfig_tbls)
+	$(Q)$(SHELL) '$(fsconfig_tbls)' $(beauty_uapi_linux_dir) > $@
 
 pkey_alloc_access_rights_array := $(beauty_outdir)/pkey_alloc_access_rights_array.c
 asm_generic_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
@@ -598,15 +598,14 @@ $(mremap_flags_array): $(linux_uapi_dir)/mman.h $(mremap_flags_tbl)
 mount_flags_array := $(beauty_outdir)/mount_flags_array.c
 mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/mount_flags.sh
 
-$(mount_flags_array): $(linux_uapi_dir)/mount.h $(mount_flags_tbl)
-	$(Q)$(SHELL) '$(mount_flags_tbl)' $(linux_uapi_dir) > $@
+$(mount_flags_array): $(beauty_uapi_linux_dir)/mount.h $(mount_flags_tbl)
+	$(Q)$(SHELL) '$(mount_flags_tbl)' $(beauty_uapi_linux_dir) > $@
 
 move_mount_flags_array := $(beauty_outdir)/move_mount_flags_array.c
 move_mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/move_mount_flags.sh
 
-$(move_mount_flags_array): $(linux_uapi_dir)/mount.h $(move_mount_flags_tbl)
-	$(Q)$(SHELL) '$(move_mount_flags_tbl)' $(linux_uapi_dir) > $@
-
+$(move_mount_flags_array): $(beauty_uapi_linux_dir)/mount.h $(move_mount_flags_tbl)
+	$(Q)$(SHELL) '$(move_mount_flags_tbl)' $(beauty_uapi_linux_dir) > $@
 
 mmap_prot_array := $(beauty_outdir)/mmap_prot_array.c
 mmap_prot_tbl := $(srctree)/tools/perf/trace/beauty/mmap_prot.sh

tools/perf/check-headers.sh

@@ -15,7 +15,6 @@ FILES=(
   "include/uapi/linux/kcmp.h"
   "include/uapi/linux/kvm.h"
   "include/uapi/linux/in.h"
-  "include/uapi/linux/mount.h"
   "include/uapi/linux/openat2.h"
   "include/uapi/linux/perf_event.h"
   "include/uapi/linux/prctl.h"
@@ -98,6 +97,7 @@ declare -a BEAUTY_FILES
 BEAUTY_FILES=(
   "include/linux/socket.h"
   "include/uapi/linux/fs.h"
+  "include/uapi/linux/mount.h"
 )
 
 declare -a FAILURES

tools/perf/trace/beauty/fsconfig.sh

@@ -2,12 +2,12 @@
 # SPDX-License-Identifier: LGPL-2.1
 
 if [ $# -ne 1 ] ; then
-	linux_header_dir=tools/include/uapi/linux
+	beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
 else
-	linux_header_dir=$1
+	beauty_uapi_linux_dir=$1
 fi
 
-linux_mount=${linux_header_dir}/mount.h
+linux_mount=${beauty_uapi_linux_dir}/mount.h
 
 printf "static const char *fsconfig_cmds[] = {\n"
 ms='[[:space:]]*'

tools/perf/trace/beauty/fsmount.sh

@@ -2,12 +2,12 @@
 # SPDX-License-Identifier: LGPL-2.1
 
 if [ $# -ne 1 ] ; then
-	linux_header_dir=tools/include/uapi/linux
+	beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
 else
-	linux_header_dir=$1
+	beauty_uapi_linux_dir=$1
 fi
 
-linux_mount=${linux_header_dir}/mount.h
+linux_mount=${beauty_uapi_linux_dir}/mount.h
 
 # Remove MOUNT_ATTR_RELATIME as it is zeros, handle it a special way in the beautifier
 # Only handle MOUNT_ATTR_ followed by a capital letter/num as __ is special case

tools/perf/trace/beauty/fspick.sh

@@ -2,12 +2,12 @@
 # SPDX-License-Identifier: LGPL-2.1
 
 if [ $# -ne 1 ] ; then
-	linux_header_dir=tools/include/uapi/linux
+	beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
 else
-	linux_header_dir=$1
+	beauty_uapi_linux_dir=$1
 fi
 
-linux_mount=${linux_header_dir}/mount.h
+linux_mount=${beauty_uapi_linux_dir}/mount.h
 
 printf "static const char *fspick_flags[] = {\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+FSPICK_([[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'

tools/perf/trace/beauty/mount_flags.sh

 #!/bin/sh
 # SPDX-License-Identifier: LGPL-2.1
 
-[ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
+[ $# -eq 1 ] && beauty_uapi_linux_dir=$1 || beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
 
 printf "static const char *mount_flags[] = {\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MS_([[:alnum:]_]+)[[:space:]]+([[:digit:]]+)[[:space:]]*.*'
-grep -E $regex ${header_dir}/mount.h | grep -E -v '(MSK|VERBOSE|MGC_VAL)\>' | \
+grep -E $regex ${beauty_uapi_linux_dir}/mount.h | grep -E -v '(MSK|VERBOSE|MGC_VAL)\>' | \
 	sed -r "s/$regex/\2 \2 \1/g" | sort -n | \
 	xargs printf "\t[%s ? (ilog2(%s) + 1) : 0] = \"%s\",\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MS_([[:alnum:]_]+)[[:space:]]+\(1<<([[:digit:]]+)\)[[:space:]]*.*'
-grep -E $regex ${header_dir}/mount.h | \
+grep -E $regex ${beauty_uapi_linux_dir}/mount.h | \
 	sed -r "s/$regex/\2 \1/g" | \
 	xargs printf "\t[%s + 1] = \"%s\",\n"
 printf "};\n"

tools/perf/trace/beauty/move_mount_flags.sh

@@ -2,12 +2,12 @@
 # SPDX-License-Identifier: LGPL-2.1
 
 if [ $# -ne 1 ] ; then
-	linux_header_dir=tools/include/uapi/linux
+	beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
 else
-	linux_header_dir=$1
+	beauty_uapi_linux_dir=$1
 fi
 
-linux_mount=${linux_header_dir}/mount.h
+linux_mount=${beauty_uapi_linux_dir}/mount.h
 
 printf "static const char *move_mount_flags[] = {\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MOVE_MOUNT_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'