From patchwork Fri Nov 10 12:13:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Michal_Such=C3=A1nek?= X-Patchwork-Id: 13452379 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D64AB18AEA for ; Fri, 10 Nov 2023 12:14:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="d5a7crIZ"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="EWueodIb" Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B77743304C; Fri, 10 Nov 2023 04:14:15 -0800 (PST) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id C238C219C1; Fri, 10 Nov 2023 12:14:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1699618453; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YLA653UT+jQwmusyWs48gsH7JWEIXvug9/8dcHaGxRs=; b=d5a7crIZI3gB2SXPNpnbaA7o2EoWMn/koU1MnkCpXEuWXk+gZfNf3xHwJHO+0iBHG5Sbga VKc4EpVf3HnwN39DcrnJdr3wsngCkN0N2T/3657DEwtbscjnghxaWbfgkAPvPDVm1cEkl5 5Rk+piQVneUdyb5SQFWi/EYL1po0zxg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1699618453; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YLA653UT+jQwmusyWs48gsH7JWEIXvug9/8dcHaGxRs=; b=EWueodIbQAjV3zDOXE7exreRYeP0yXm6rnQjbiUN4QFYrk9eMWK05lF9XzQ/gh4gcPB5H/ nhyPiCxI9zKw+TDw== Received: from kitsune.suse.cz (kitsune.suse.cz [10.100.12.127]) by relay2.suse.de (Postfix) with ESMTP id 713812D3C4; Fri, 10 Nov 2023 12:14:13 +0000 (UTC) From: Michal Suchanek To: linux-modules@vger.kernel.org, Lucas De Marchi Cc: Michal Suchanek , Takashi Iwai , Lucas De Marchi , =?utf-8?q?Michal_Koutn=C3=BD?= , Jiri Slaby , Jan Engelhardt , Masahiro Yamada , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] libkmod, depmod, modprobe: Make directory for kernel modules configurable Date: Fri, 10 Nov 2023 13:13:54 +0100 Message-ID: X-Mailer: git-send-email 2.42.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Now that modprobe.d is searched under ${prefix}/lib, allow a complete transition to files only under ${prefix} by adding a ${module_directory} configuration. This specifies the directory where to search for kernel modules and should match the location where the kernel/distro installs them. With this distributions that do not want to ship files in /lib can also move kernel modules to /usr while others can keep them in /lib. Signed-off-by: Michal Suchanek --- v4: Make the whole path configurable v5: More verbose commit message v6: fix docstring still containing module_prefix --- Makefile.am | 3 +- configure.ac | 7 ++ libkmod/libkmod.c | 4 +- man/Makefile.am | 1 + man/depmod.d.xml | 6 +- man/depmod.xml | 4 +- man/modinfo.xml | 2 +- man/modprobe.xml | 2 +- man/modules.dep.xml | 6 +- testsuite/module-playground/Makefile | 2 +- testsuite/setup-rootfs.sh | 109 +++++++++++++++------------ testsuite/test-depmod.c | 16 ++-- testsuite/test-testsuite.c | 8 +- tools/depmod.c | 6 +- tools/kmod.pc.in | 1 + tools/modinfo.c | 4 +- tools/modprobe.c | 4 +- tools/static-nodes.c | 6 +- 18 files changed, 107 insertions(+), 84 deletions(-) diff --git a/Makefile.am b/Makefile.am index 2a54c25bd631..4062d81227df 100644 --- a/Makefile.am +++ b/Makefile.am @@ -20,6 +20,7 @@ AM_CPPFLAGS = \ -I$(top_srcdir) \ -DSYSCONFDIR=\""$(sysconfdir)"\" \ -DDISTCONFDIR=\""$(distconfdir)"\" \ + -DMODULE_DIRECTORY=\""$(module_directory)"\" \ ${zlib_CFLAGS} AM_CFLAGS = $(OUR_CFLAGS) @@ -220,7 +221,7 @@ EXTRA_DIST += testsuite/setup-rootfs.sh MODULE_PLAYGROUND = testsuite/module-playground ROOTFS = testsuite/rootfs ROOTFS_PRISTINE = $(top_srcdir)/testsuite/rootfs-pristine -CREATE_ROOTFS = $(AM_V_GEN) $(top_srcdir)/testsuite/setup-rootfs.sh $(ROOTFS_PRISTINE) $(ROOTFS) $(MODULE_PLAYGROUND) $(top_builddir)/config.h $(sysconfdir) +CREATE_ROOTFS = $(AM_V_GEN) MODULE_DIRECTORY=$(module_directory) $(top_srcdir)/testsuite/setup-rootfs.sh $(ROOTFS_PRISTINE) $(ROOTFS) $(MODULE_PLAYGROUND) $(top_builddir)/config.h $(sysconfdir) build-module-playground: $(AM_V_GEN)if test "$(top_srcdir)" != "$(top_builddir)"; then \ diff --git a/configure.ac b/configure.ac index a6b8fa0308b6..d6da5ee9ae9a 100644 --- a/configure.ac +++ b/configure.ac @@ -91,6 +91,12 @@ AC_ARG_WITH([rootlibdir], [], [with_rootlibdir=$libdir]) AC_SUBST([rootlibdir], [$with_rootlibdir]) +# Ideally this would be $prefix/lib/modules but default to /lib/modules for compatibility with earlier versions +AC_ARG_WITH([module_directory], + AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules - typically '/lib/modules' or '${prefix}/lib/modules']), + [], [with_module_directory=/lib/modules]) +AC_SUBST([module_directory], [$with_module_directory]) + AC_ARG_WITH([zstd], AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]), [], [with_zstd=no]) @@ -319,6 +325,7 @@ AC_MSG_RESULT([ $PACKAGE $VERSION ======= + module_directory: ${module_directory} prefix: ${prefix} sysconfdir: ${sysconfdir} distconfdir: ${distconfdir} diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c index 57fac1cb9f7b..213b42482fb6 100644 --- a/libkmod/libkmod.c +++ b/libkmod/libkmod.c @@ -210,7 +210,7 @@ static int log_priority(const char *priority) return 0; } -static const char *dirname_default_prefix = "/lib/modules"; +static const char *dirname_default_prefix = MODULE_DIRECTORY; static char *get_kernel_release(const char *dirname) { @@ -266,7 +266,7 @@ static enum kmod_file_compression_type get_kernel_compression(struct kmod_ctx *c /** * kmod_new: * @dirname: what to consider as linux module's directory, if NULL - * defaults to /lib/modules/`uname -r`. If it's relative, + * defaults to $MODULE_DIRECTORY/`uname -r`. If it's relative, * it's treated as relative to the current working directory. * Otherwise, give an absolute dirname. * @config_paths: ordered array of paths (directories or files) where diff --git a/man/Makefile.am b/man/Makefile.am index 2fea8e46bf2f..f550091a216a 100644 --- a/man/Makefile.am +++ b/man/Makefile.am @@ -22,6 +22,7 @@ CLEANFILES = $(dist_man_MANS) else \ sed -e '/@DISTCONFDIR@/d' $< ; \ fi | \ + sed -e 's|@MODULE_DIRECTORY@|$(module_directory)|g' | \ $(XSLT) \ -o $@ \ --nonet \ diff --git a/man/depmod.d.xml b/man/depmod.d.xml index f282a39cc840..b07e6a2bd4fe 100644 --- a/man/depmod.d.xml +++ b/man/depmod.d.xml @@ -70,7 +70,7 @@ - This allows you to specify the order in which /lib/modules + This allows you to specify the order in which @MODULE_DIRECTORY@ (or other configured module location) subdirectories will be processed by depmod. Directories are listed in order, with the highest priority given to the @@ -101,7 +101,7 @@ depmod command. It is possible to specify one kernel or all kernels using the * wildcard. modulesubdirectory is the - name of the subdirectory under /lib/modules (or other + name of the subdirectory under @MODULE_DIRECTORY@ (or other module location) where the target module is installed. @@ -110,7 +110,7 @@ specifying the following command: "override kmod * extra". This will ensure that any matching module name installed under the extra subdirectory within - /lib/modules (or other module location) will take priority + @MODULE_DIRECTORY@ (or other module location) will take priority over any likenamed module already provided by the kernel. diff --git a/man/depmod.xml b/man/depmod.xml index 3b0097184fd7..fce2a4a67a89 100644 --- a/man/depmod.xml +++ b/man/depmod.xml @@ -80,7 +80,7 @@ depmod creates a list of module dependencies by reading each module under - /lib/modules/version and + @MODULE_DIRECTORY@/version and determining what symbols it exports and what symbols it needs. By default, this list is written to modules.dep, and a binary hashed version named modules.dep.bin, in the @@ -141,7 +141,7 @@ If your modules are not currently in the (normal) directory - /lib/modules/version, + @MODULE_DIRECTORY@/version, but in a staging area, you can specify a basedir which is prepended to the directory name. This basedir is diff --git a/man/modinfo.xml b/man/modinfo.xml index 9fe0324a2527..b6c4d6045829 100644 --- a/man/modinfo.xml +++ b/man/modinfo.xml @@ -54,7 +54,7 @@ modinfo extracts information from the Linux Kernel modules given on the command line. If the module name is not a filename, then the - /lib/modules/version + @MODULE_DIRECTORY@/version directory is searched, as is also done by modprobe8 when loading kernel modules. diff --git a/man/modprobe.xml b/man/modprobe.xml index 91f9e27997cd..4d1fd59c000b 100644 --- a/man/modprobe.xml +++ b/man/modprobe.xml @@ -78,7 +78,7 @@ is no difference between _ and - in module names (automatic underscore conversion is performed). modprobe looks in the module directory - /lib/modules/`uname -r` for all + @MODULE_DIRECTORY@/`uname -r` for all the modules and other files, except for the optional configuration files in the /etc/modprobe.d directory diff --git a/man/modules.dep.xml b/man/modules.dep.xml index ed633694ec9e..8ef6d8b3536e 100644 --- a/man/modules.dep.xml +++ b/man/modules.dep.xml @@ -34,8 +34,8 @@ - /lib/modules/modules.dep - /lib/modules/modules.dep.bin + @MODULE_DIRECTORY@/modules.dep + @MODULE_DIRECTORY@/modules.dep.bin DESCRIPTION @@ -43,7 +43,7 @@ modules.dep.bin is a binary file generated by depmod listing the dependencies for every module in the directories under - /lib/modules/version. + @MODULE_DIRECTORY@/version. It is used by kmod tools such as modprobe and libkmod. diff --git a/testsuite/module-playground/Makefile b/testsuite/module-playground/Makefile index e6045b0dd932..a7ab09bea2bf 100644 --- a/testsuite/module-playground/Makefile +++ b/testsuite/module-playground/Makefile @@ -47,7 +47,7 @@ endif else # normal makefile -KDIR ?= /lib/modules/`uname -r`/build +KDIR ?= $(module_prefix)/lib/modules/`uname -r`/build KVER ?= `uname -r` ifeq ($(FAKE_BUILD),) FAKE_BUILD=0 diff --git a/testsuite/setup-rootfs.sh b/testsuite/setup-rootfs.sh index 4440ddcd6b4d..a780f9381b3c 100755 --- a/testsuite/setup-rootfs.sh +++ b/testsuite/setup-rootfs.sh @@ -16,6 +16,19 @@ create_rootfs() { cp -r "$ROOTFS_PRISTINE" "$ROOTFS" find "$ROOTFS" -type d -exec chmod +w {} \; find "$ROOTFS" -type f -name .gitignore -exec rm -f {} \; + if [ "$MODULE_DIRECTORY" != "/lib/modules" ] ; then + sed -i -e "s|/lib/modules|$MODULE_DIRECTORY|g" $(find "$ROOTFS" -name \*.txt -o -name \*.conf -o -name \*.dep) + sed -i -e "s|$MODULE_DIRECTORY/external|/lib/modules/external|g" $(find "$ROOTFS" -name \*.txt -o -name \*.conf -o -name \*.dep) + for i in "$ROOTFS"/*/lib/modules/* "$ROOTFS"/*/*/lib/modules/* ; do + version="$(basename $i)" + [ $version != 'external' ] || continue + mod="$(dirname $i)" + lib="$(dirname $mod)" + up="$(dirname $lib)$MODULE_DIRECTORY" + mkdir -p "$up" + mv "$i" "$up" + done + fi if [ "$SYSCONFDIR" != "/etc" ]; then find "$ROOTFS" -type d -name etc -printf "%h\n" | while read -r e; do @@ -32,57 +45,57 @@ feature_enabled() { declare -A map map=( - ["test-depmod/search-order-simple/lib/modules/4.4.4/kernel/crypto/"]="mod-simple.ko" - ["test-depmod/search-order-simple/lib/modules/4.4.4/updates/"]="mod-simple.ko" - ["test-depmod/search-order-same-prefix/lib/modules/4.4.4/foo/"]="mod-simple.ko" - ["test-depmod/search-order-same-prefix/lib/modules/4.4.4/foobar/"]="mod-simple.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-c.ko"]="mod-loop-c.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-d.ko"]="mod-loop-d.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-e.ko"]="mod-loop-e.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-f.ko"]="mod-loop-f.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-g.ko"]="mod-loop-g.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-h.ko"]="mod-loop-h.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-i.ko"]="mod-loop-i.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-j.ko"]="mod-loop-j.ko" - ["test-depmod/detect-loop/lib/modules/4.4.4/kernel/mod-loop-k.ko"]="mod-loop-k.ko" - ["test-depmod/search-order-external-first/lib/modules/4.4.4/foo/"]="mod-simple.ko" - ["test-depmod/search-order-external-first/lib/modules/4.4.4/foobar/"]="mod-simple.ko" + ["test-depmod/search-order-simple$MODULE_DIRECTORY/4.4.4/kernel/crypto/"]="mod-simple.ko" + ["test-depmod/search-order-simple$MODULE_DIRECTORY/4.4.4/updates/"]="mod-simple.ko" + ["test-depmod/search-order-same-prefix$MODULE_DIRECTORY/4.4.4/foo/"]="mod-simple.ko" + ["test-depmod/search-order-same-prefix$MODULE_DIRECTORY/4.4.4/foobar/"]="mod-simple.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-c.ko"]="mod-loop-c.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-d.ko"]="mod-loop-d.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-e.ko"]="mod-loop-e.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-f.ko"]="mod-loop-f.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-g.ko"]="mod-loop-g.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-h.ko"]="mod-loop-h.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-i.ko"]="mod-loop-i.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-j.ko"]="mod-loop-j.ko" + ["test-depmod/detect-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-k.ko"]="mod-loop-k.ko" + ["test-depmod/search-order-external-first$MODULE_DIRECTORY/4.4.4/foo/"]="mod-simple.ko" + ["test-depmod/search-order-external-first$MODULE_DIRECTORY/4.4.4/foobar/"]="mod-simple.ko" ["test-depmod/search-order-external-first/lib/modules/external/"]="mod-simple.ko" - ["test-depmod/search-order-external-last/lib/modules/4.4.4/foo/"]="mod-simple.ko" - ["test-depmod/search-order-external-last/lib/modules/4.4.4/foobar/"]="mod-simple.ko" + ["test-depmod/search-order-external-last$MODULE_DIRECTORY/4.4.4/foo/"]="mod-simple.ko" + ["test-depmod/search-order-external-last$MODULE_DIRECTORY/4.4.4/foobar/"]="mod-simple.ko" ["test-depmod/search-order-external-last/lib/modules/external/"]="mod-simple.ko" - ["test-depmod/search-order-override/lib/modules/4.4.4/foo/"]="mod-simple.ko" - ["test-depmod/search-order-override/lib/modules/4.4.4/override/"]="mod-simple.ko" - ["test-dependencies/lib/modules/4.0.20-kmod/kernel/fs/foo/"]="mod-foo-b.ko" - ["test-dependencies/lib/modules/4.0.20-kmod/kernel/"]="mod-foo-c.ko" - ["test-dependencies/lib/modules/4.0.20-kmod/kernel/lib/"]="mod-foo-a.ko" - ["test-dependencies/lib/modules/4.0.20-kmod/kernel/fs/"]="mod-foo.ko" + ["test-depmod/search-order-override$MODULE_DIRECTORY/4.4.4/foo/"]="mod-simple.ko" + ["test-depmod/search-order-override$MODULE_DIRECTORY/4.4.4/override/"]="mod-simple.ko" + ["test-dependencies$MODULE_DIRECTORY/4.0.20-kmod/kernel/fs/foo/"]="mod-foo-b.ko" + ["test-dependencies$MODULE_DIRECTORY/4.0.20-kmod/kernel/"]="mod-foo-c.ko" + ["test-dependencies$MODULE_DIRECTORY/4.0.20-kmod/kernel/lib/"]="mod-foo-a.ko" + ["test-dependencies$MODULE_DIRECTORY/4.0.20-kmod/kernel/fs/"]="mod-foo.ko" ["test-init/"]="mod-simple.ko" ["test-remove/"]="mod-simple.ko" - ["test-modprobe/show-depends/lib/modules/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" - ["test-modprobe/show-depends/lib/modules/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" - ["test-modprobe/show-depends/lib/modules/4.4.4/kernel/mod-simple.ko"]="mod-simple.ko" + ["test-modprobe/show-depends$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" + ["test-modprobe/show-depends$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" + ["test-modprobe/show-depends$MODULE_DIRECTORY/4.4.4/kernel/mod-simple.ko"]="mod-simple.ko" ["test-modprobe/show-exports/mod-loop-a.ko"]="mod-loop-a.ko" - ["test-modprobe/softdep-loop/lib/modules/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" - ["test-modprobe/softdep-loop/lib/modules/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" - ["test-modprobe/install-cmd-loop/lib/modules/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" - ["test-modprobe/install-cmd-loop/lib/modules/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" - ["test-modprobe/force/lib/modules/4.4.4/kernel/"]="mod-simple.ko" - ["test-modprobe/oldkernel/lib/modules/3.3.3/kernel/"]="mod-simple.ko" - ["test-modprobe/oldkernel-force/lib/modules/3.3.3/kernel/"]="mod-simple.ko" - ["test-modprobe/alias-to-none/lib/modules/4.4.4/kernel/"]="mod-simple.ko" - ["test-modprobe/module-param-kcmdline/lib/modules/4.4.4/kernel/"]="mod-simple.ko" + ["test-modprobe/softdep-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" + ["test-modprobe/softdep-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" + ["test-modprobe/install-cmd-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-a.ko"]="mod-loop-a.ko" + ["test-modprobe/install-cmd-loop$MODULE_DIRECTORY/4.4.4/kernel/mod-loop-b.ko"]="mod-loop-b.ko" + ["test-modprobe/force$MODULE_DIRECTORY/4.4.4/kernel/"]="mod-simple.ko" + ["test-modprobe/oldkernel$MODULE_DIRECTORY/3.3.3/kernel/"]="mod-simple.ko" + ["test-modprobe/oldkernel-force$MODULE_DIRECTORY/3.3.3/kernel/"]="mod-simple.ko" + ["test-modprobe/alias-to-none$MODULE_DIRECTORY/4.4.4/kernel/"]="mod-simple.ko" + ["test-modprobe/module-param-kcmdline$MODULE_DIRECTORY/4.4.4/kernel/"]="mod-simple.ko" ["test-modprobe/external/lib/modules/external/"]="mod-simple.ko" ["test-modprobe/module-from-abspath/home/foo/"]="mod-simple.ko" ["test-modprobe/module-from-relpath/home/foo/"]="mod-simple.ko" - ["test-depmod/modules-order-compressed/lib/modules/4.4.4/kernel/drivers/block/cciss.ko"]="mod-fake-cciss.ko" - ["test-depmod/modules-order-compressed/lib/modules/4.4.4/kernel/drivers/scsi/hpsa.ko"]="mod-fake-hpsa.ko" - ["test-depmod/modules-order-compressed/lib/modules/4.4.4/kernel/drivers/scsi/scsi_mod.ko"]="mod-fake-scsi-mod.ko" - ["test-depmod/modules-outdir/lib/modules/4.4.4/kernel/drivers/block/cciss.ko"]="mod-fake-cciss.ko" - ["test-depmod/modules-outdir/lib/modules/4.4.4/kernel/drivers/scsi/hpsa.ko"]="mod-fake-hpsa.ko" - ["test-depmod/modules-outdir/lib/modules/4.4.4/kernel/drivers/scsi/scsi_mod.ko"]="mod-fake-scsi-mod.ko" + ["test-depmod/modules-order-compressed$MODULE_DIRECTORY/4.4.4/kernel/drivers/block/cciss.ko"]="mod-fake-cciss.ko" + ["test-depmod/modules-order-compressed$MODULE_DIRECTORY/4.4.4/kernel/drivers/scsi/hpsa.ko"]="mod-fake-hpsa.ko" + ["test-depmod/modules-order-compressed$MODULE_DIRECTORY/4.4.4/kernel/drivers/scsi/scsi_mod.ko"]="mod-fake-scsi-mod.ko" + ["test-depmod/modules-outdir$MODULE_DIRECTORY/4.4.4/kernel/drivers/block/cciss.ko"]="mod-fake-cciss.ko" + ["test-depmod/modules-outdir$MODULE_DIRECTORY/4.4.4/kernel/drivers/scsi/hpsa.ko"]="mod-fake-hpsa.ko" + ["test-depmod/modules-outdir$MODULE_DIRECTORY/4.4.4/kernel/drivers/scsi/scsi_mod.ko"]="mod-fake-scsi-mod.ko" ["test-modinfo/mod-simple-i386.ko"]="mod-simple-i386.ko" ["test-modinfo/mod-simple-x86_64.ko"]="mod-simple-x86_64.ko" ["test-modinfo/mod-simple-sparc64.ko"]="mod-simple-sparc64.ko" @@ -90,20 +103,20 @@ map=( ["test-modinfo/mod-simple-sha256.ko"]="mod-simple.ko" ["test-modinfo/mod-simple-pkcs7.ko"]="mod-simple.ko" ["test-modinfo/external/lib/modules/external/mod-simple.ko"]="mod-simple.ko" - ["test-tools/insert/lib/modules/4.4.4/kernel/"]="mod-simple.ko" - ["test-tools/remove/lib/modules/4.4.4/kernel/"]="mod-simple.ko" + ["test-tools/insert$MODULE_DIRECTORY/4.4.4/kernel/"]="mod-simple.ko" + ["test-tools/remove$MODULE_DIRECTORY/4.4.4/kernel/"]="mod-simple.ko" ) gzip_array=( - "test-depmod/modules-order-compressed/lib/modules/4.4.4/kernel/drivers/block/cciss.ko" + "test-depmod/modules-order-compressed$MODULE_DIRECTORY/4.4.4/kernel/drivers/block/cciss.ko" ) xz_array=( - "test-depmod/modules-order-compressed/lib/modules/4.4.4/kernel/drivers/scsi/scsi_mod.ko" + "test-depmod/modules-order-compressed$MODULE_DIRECTORY/4.4.4/kernel/drivers/scsi/scsi_mod.ko" ) zstd_array=( - "test-depmod/modules-order-compressed/lib/modules/4.4.4/kernel/drivers/scsi/hpsa.ko" + "test-depmod/modules-order-compressed$MODULE_DIRECTORY/4.4.4/kernel/drivers/scsi/hpsa.ko" ) attach_sha256_array=( diff --git a/testsuite/test-depmod.c b/testsuite/test-depmod.c index 93606947f18a..c96dbf0a62be 100644 --- a/testsuite/test-depmod.c +++ b/testsuite/test-depmod.c @@ -27,7 +27,7 @@ #define MODULES_UNAME "4.4.4" #define MODULES_ORDER_ROOTFS TESTSUITE_ROOTFS "test-depmod/modules-order-compressed" -#define MODULES_ORDER_LIB_MODULES MODULES_ORDER_ROOTFS "/lib/modules/" MODULES_UNAME +#define MODULES_ORDER_LIB_MODULES MODULES_ORDER_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_modules_order_for_compressed(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; @@ -55,8 +55,8 @@ DEFINE_TEST(depmod_modules_order_for_compressed, }); #define MODULES_OUTDIR_ROOTFS TESTSUITE_ROOTFS "test-depmod/modules-outdir" -#define MODULES_OUTDIR_LIB_MODULES_OUTPUT MODULES_OUTDIR_ROOTFS "/outdir/lib/modules/" MODULES_UNAME -#define MODULES_OUTDIR_LIB_MODULES_INPUT MODULES_OUTDIR_ROOTFS "/lib/modules/" MODULES_UNAME +#define MODULES_OUTDIR_LIB_MODULES_OUTPUT MODULES_OUTDIR_ROOTFS "/outdir" MODULE_DIRECTORY "/" MODULES_UNAME +#define MODULES_OUTDIR_LIB_MODULES_INPUT MODULES_OUTDIR_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_modules_outdir(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; @@ -87,7 +87,7 @@ DEFINE_TEST(depmod_modules_outdir, }); #define SEARCH_ORDER_SIMPLE_ROOTFS TESTSUITE_ROOTFS "test-depmod/search-order-simple" -#define SEARCH_ORDER_SIMPLE_LIB_MODULES SEARCH_ORDER_SIMPLE_ROOTFS "/lib/modules/" MODULES_UNAME +#define SEARCH_ORDER_SIMPLE_LIB_MODULES SEARCH_ORDER_SIMPLE_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_search_order_simple(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; @@ -114,7 +114,7 @@ DEFINE_TEST(depmod_search_order_simple, }); #define SEARCH_ORDER_SAME_PREFIX_ROOTFS TESTSUITE_ROOTFS "test-depmod/search-order-same-prefix" -#define SEARCH_ORDER_SAME_PREFIX_LIB_MODULES SEARCH_ORDER_SAME_PREFIX_ROOTFS "/lib/modules/" MODULES_UNAME +#define SEARCH_ORDER_SAME_PREFIX_LIB_MODULES SEARCH_ORDER_SAME_PREFIX_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_search_order_same_prefix(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; @@ -164,7 +164,7 @@ DEFINE_TEST(depmod_detect_loop, }); #define SEARCH_ORDER_EXTERNAL_FIRST_ROOTFS TESTSUITE_ROOTFS "test-depmod/search-order-external-first" -#define SEARCH_ORDER_EXTERNAL_FIRST_LIB_MODULES SEARCH_ORDER_EXTERNAL_FIRST_ROOTFS "/lib/modules/" MODULES_UNAME +#define SEARCH_ORDER_EXTERNAL_FIRST_LIB_MODULES SEARCH_ORDER_EXTERNAL_FIRST_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_search_order_external_first(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; @@ -191,7 +191,7 @@ DEFINE_TEST(depmod_search_order_external_first, }); #define SEARCH_ORDER_EXTERNAL_LAST_ROOTFS TESTSUITE_ROOTFS "test-depmod/search-order-external-last" -#define SEARCH_ORDER_EXTERNAL_LAST_LIB_MODULES SEARCH_ORDER_EXTERNAL_LAST_ROOTFS "/lib/modules/" MODULES_UNAME +#define SEARCH_ORDER_EXTERNAL_LAST_LIB_MODULES SEARCH_ORDER_EXTERNAL_LAST_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_search_order_external_last(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; @@ -218,7 +218,7 @@ DEFINE_TEST(depmod_search_order_external_last, }); #define SEARCH_ORDER_OVERRIDE_ROOTFS TESTSUITE_ROOTFS "test-depmod/search-order-override" -#define SEARCH_ORDER_OVERRIDE_LIB_MODULES SEARCH_ORDER_OVERRIDE_ROOTFS "/lib/modules/" MODULES_UNAME +#define SEARCH_ORDER_OVERRIDE_LIB_MODULES SEARCH_ORDER_OVERRIDE_ROOTFS MODULE_DIRECTORY "/" MODULES_UNAME static noreturn int depmod_search_order_override(const struct test *t) { const char *progname = ABS_TOP_BUILDDIR "/tools/depmod"; diff --git a/testsuite/test-testsuite.c b/testsuite/test-testsuite.c index 56e73609f204..c77c4bbc04eb 100644 --- a/testsuite/test-testsuite.c +++ b/testsuite/test-testsuite.c @@ -64,7 +64,7 @@ static int testsuite_rootfs_fopen(const struct test *t) char s[100]; int n; - fp = fopen("/lib/modules/a", "r"); + fp = fopen(MODULE_DIRECTORY "/a", "r"); if (fp == NULL) return EXIT_FAILURE;; @@ -89,7 +89,7 @@ static int testsuite_rootfs_open(const struct test *t) char buf[100]; int fd, done; - fd = open("/lib/modules/a", O_RDONLY); + fd = open(MODULE_DIRECTORY "/a", O_RDONLY); if (fd < 0) return EXIT_FAILURE; @@ -121,12 +121,12 @@ static int testsuite_rootfs_stat_access(const struct test *t) { struct stat st; - if (access("/lib/modules/a", F_OK) < 0) { + if (access(MODULE_DIRECTORY "/a", F_OK) < 0) { ERR("access failed: %m\n"); return EXIT_FAILURE; } - if (stat("/lib/modules/a", &st) < 0) { + if (stat(MODULE_DIRECTORY "/a", &st) < 0) { ERR("stat failed: %m\n"); return EXIT_FAILURE; } diff --git a/tools/depmod.c b/tools/depmod.c index ab8513b21526..43fc354afb09 100644 --- a/tools/depmod.c +++ b/tools/depmod.c @@ -911,7 +911,7 @@ struct vertex; struct mod { struct kmod_module *kmod; char *path; - const char *relpath; /* path relative to '$ROOT/lib/modules/$VER/' */ + const char *relpath; /* path relative to '$ROOT$MODULE_DIRECTORY/$VER/' */ char *uncrelpath; /* same as relpath but ending in .ko */ struct kmod_list *info_list; struct kmod_list *dep_sym_list; @@ -3024,11 +3024,11 @@ static int do_depmod(int argc, char *argv[]) } cfg.dirnamelen = snprintf(cfg.dirname, PATH_MAX, - "%s/lib/modules/%s", + "%s" MODULE_DIRECTORY "/%s", root ?: "", cfg.kversion); cfg.outdirnamelen = snprintf(cfg.outdirname, PATH_MAX, - "%s/lib/modules/%s", + "%s" MODULE_DIRECTORY "/%s", out_root ?: (root ?: ""), cfg.kversion); if (optind == argc) diff --git a/tools/kmod.pc.in b/tools/kmod.pc.in index 2595980a6b35..97215c8ed48f 100644 --- a/tools/kmod.pc.in +++ b/tools/kmod.pc.in @@ -1,6 +1,7 @@ prefix=@prefix@ sysconfdir=@sysconfdir@ distconfdir=@distconfdir@ +module_directory=@module_directory@ module_compressions=@module_compressions@ module_signatures=@module_signatures@ diff --git a/tools/modinfo.c b/tools/modinfo.c index d0aab200af4e..cacc32dc4c40 100644 --- a/tools/modinfo.c +++ b/tools/modinfo.c @@ -367,7 +367,7 @@ static void help(void) "\t-m, --modname Handle argument as module name instead of alias or filename\n" "\t-F, --field=FIELD Print only provided FIELD\n" "\t-k, --set-version=VERSION Use VERSION instead of `uname -r`\n" - "\t-b, --basedir=DIR Use DIR as filesystem root for /lib/modules\n" + "\t-b, --basedir=DIR Use DIR as filesystem root for " MODULE_DIRECTORY "\n" "\t-V, --version Show version\n" "\t-h, --help Show this help\n", program_invocation_short_name); @@ -462,7 +462,7 @@ static int do_modinfo(int argc, char *argv[]) } kversion = u.release; } - snprintf(dirname_buf, sizeof(dirname_buf), "%s/lib/modules/%s", + snprintf(dirname_buf, sizeof(dirname_buf), "%s" MODULE_DIRECTORY "/%s", root, kversion); dirname = dirname_buf; } diff --git a/tools/modprobe.c b/tools/modprobe.c index e891028349a8..5306bef250da 100644 --- a/tools/modprobe.c +++ b/tools/modprobe.c @@ -142,7 +142,7 @@ static void help(void) "\t-n, --show Same as --dry-run\n" "\t-C, --config=FILE Use FILE instead of default search paths\n" - "\t-d, --dirname=DIR Use DIR as filesystem root for /lib/modules\n" + "\t-d, --dirname=DIR Use DIR as filesystem root for " MODULE_DIRECTORY "\n" "\t-S, --set-version=VERSION Use VERSION instead of `uname -r`\n" "\t-s, --syslog print to syslog, not stderr\n" @@ -999,7 +999,7 @@ static int do_modprobe(int argc, char **orig_argv) kversion = u.release; } snprintf(dirname_buf, sizeof(dirname_buf), - "%s/lib/modules/%s", root, + "%s" MODULE_DIRECTORY "/%s", root, kversion); dirname = dirname_buf; } diff --git a/tools/static-nodes.c b/tools/static-nodes.c index 8d2356da73f3..5ef3743e967b 100644 --- a/tools/static-nodes.c +++ b/tools/static-nodes.c @@ -212,15 +212,15 @@ static int do_static_nodes(int argc, char *argv[]) goto finish; } - snprintf(modules, sizeof(modules), "/lib/modules/%s/modules.devname", kernel.release); + snprintf(modules, sizeof(modules), MODULE_DIRECTORY "/%s/modules.devname", kernel.release); in = fopen(modules, "re"); if (in == NULL) { if (errno == ENOENT) { - fprintf(stderr, "Warning: /lib/modules/%s/modules.devname not found - ignoring\n", + fprintf(stderr, "Warning: " MODULE_DIRECTORY "/%s/modules.devname not found - ignoring\n", kernel.release); ret = EXIT_SUCCESS; } else { - fprintf(stderr, "Error: could not open /lib/modules/%s/modules.devname - %m\n", + fprintf(stderr, "Error: could not open " MODULE_DIRECTORY "/%s/modules.devname - %m\n", kernel.release); ret = EXIT_FAILURE; } From patchwork Fri Nov 10 12:13:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Michal_Such=C3=A1nek?= X-Patchwork-Id: 13452377 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E434C1862B for ; Fri, 10 Nov 2023 12:14:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="cYTmn7Cu"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="ArSIIaCc" Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A33373304B; Fri, 10 Nov 2023 04:14:15 -0800 (PST) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 060FC219C4; Fri, 10 Nov 2023 12:14:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1699618454; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Dq19wJSmTOrZRzEGt4AZFA5wmg4WvLvB9MbM94XFO7k=; b=cYTmn7Cu5Hwf6dEwJm2Dfuphy49HT1ncwzz63aOGu9p+CD8c2blI9bAm9+DM8sSHqLuv3c E8eSAFeVkQ0xT/E/X8bVsEGbLGYY6n+oFUTn4Yz/sWxyMB2W9ecJ7mvbmgIqdUnftk07zW 6cqDA+0jSFKR6T9iL8HBAJzGZwHvJK0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1699618454; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Dq19wJSmTOrZRzEGt4AZFA5wmg4WvLvB9MbM94XFO7k=; b=ArSIIaCcyPZ/qGHDyDqGuJmiIQaBWEq0JmsIWnWTnc+p9QQn2hoMnCmarEV2Wor6UZFv6Z PosazrD2S6yHsTDQ== Received: from kitsune.suse.cz (kitsune.suse.cz [10.100.12.127]) by relay2.suse.de (Postfix) with ESMTP id A17E72C162; Fri, 10 Nov 2023 12:14:13 +0000 (UTC) From: Michal Suchanek To: linux-modules@vger.kernel.org, Lucas De Marchi Cc: Michal Suchanek , Takashi Iwai , Lucas De Marchi , =?utf-8?q?Michal_Koutn=C3=BD?= , Jiri Slaby , Jan Engelhardt , Masahiro Yamada , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] configure: Check that provided paths are absolute Date: Fri, 10 Nov 2023 13:13:55 +0100 Message-ID: <8aff0c9c491d8afeec7f6b2cd96cbd0439e26fbb.1699618135.git.msuchanek@suse.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 configure checks that its built-in directory options get an absolute path. Copy the check for custom options. Signed-off-by: Michal Suchanek --- v6: new patch --- configure.ac | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/configure.ac b/configure.ac index d6da5ee9ae9a..de01e08cf2e8 100644 --- a/configure.ac +++ b/configure.ac @@ -97,6 +97,23 @@ AC_ARG_WITH([module_directory], [], [with_module_directory=/lib/modules]) AC_SUBST([module_directory], [$with_module_directory]) +# Check all directory arguments for consistency. +for ac_var in distconfdir rootlibdir module_directory +do + eval ac_val=\$$ac_var + # Remove trailing slashes. + case $ac_val in + */ ) + ac_val=`expr "X$ac_val" : 'X\(.*@<:@^/@:>@\)' \| "X$ac_val" : 'X\(.*\)'` + eval $ac_var=\$ac_val;; + esac + # Be sure to have absolute directory names. + case $ac_val in + @<:@\\/$@:>@* | ?:@<:@\\/@:>@* ) continue;; + esac + as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val" +done + AC_ARG_WITH([zstd], AS_HELP_STRING([--with-zstd], [handle Zstandard-compressed modules @<:@default=disabled@:>@]), [], [with_zstd=no])