modpost: add option to allow external modules to avoid taint
Make integrated compat-wireless take advantage of the above
This commit is contained in:
John W. Linville
parent
fb68683a8f
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6d0a652dcd
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@ -0,0 +1,12 @@
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diff -up compat-wireless-2011-12-01/Makefile.orig compat-wireless-2011-12-01/Makefile
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--- compat-wireless-2011-12-01/Makefile.orig 2011-12-14 09:10:01.377297637 -0500
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+++ compat-wireless-2011-12-01/Makefile 2011-12-14 09:47:36.834100534 -0500
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@@ -68,7 +68,7 @@ all: modules
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modules: $(CREL_CHECK)
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@./scripts/check_config.sh
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- $(MAKE) -C $(KLIB_BUILD) M=$(PWD) modules
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+ $(MAKE) -C $(KLIB_BUILD) M=$(PWD) INTEGRATED_BUILD=1 modules
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@touch $@
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bt: $(CREL_CHECK)
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16
kernel.spec
16
kernel.spec
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@ -701,6 +701,7 @@ Patch471: floppy-drop-disable_hlt-warning.patch
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Patch510: linux-2.6-silence-noise.patch
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Patch520: quite-apm.patch
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Patch530: linux-2.6-silence-fbcon-logo.patch
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Patch540: modpost-add-option-to-allow-external-modules-to-avoi.patch
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Patch700: linux-2.6-e1000-ich9-montevina.patch
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@ -826,10 +827,12 @@ Patch22000: rcu-reintroduce-missing-calls.patch
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# compat-wireless patches
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Patch50000: compat-wireless-config-fixups.patch
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Patch50001: compat-wireless-pr_fmt-warning-avoidance.patch
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Patch50002: compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch
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Patch50002: compat-wireless-integrated-build.patch
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Patch50100: compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch
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# Remove overlapping hardware support between b43 and brcmsmac
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Patch50100: b43-add-option-to-avoid-duplicating-device-support-w.patch
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Patch50101: b43-add-option-to-avoid-duplicating-device-support-w.patch
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%endif
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@ -1416,6 +1419,11 @@ ApplyPatch linux-2.6-silence-noise.patch
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# Make fbcon not show the penguins with 'quiet'
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ApplyPatch linux-2.6-silence-fbcon-logo.patch
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%if %{with_backports}
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# modpost: add option to allow external modules to avoid taint
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ApplyPatch modpost-add-option-to-allow-external-modules-to-avoi.patch
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%endif
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# Changes to upstream defaults.
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@ -2298,6 +2306,10 @@ fi
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# and build.
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%changelog
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* Wed Jan 25 2012 John W. Linville <linville@redhat.com>
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- modpost: add option to allow external modules to avoid taint
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- Make integrated compat-wireless take advantage of the above
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* Wed Jan 25 2012 Josh Boyer <jwboyer@redhat.com>
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- Backport patch to fix oops in rds (rhbz 718790)
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@ -0,0 +1,80 @@
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From 69f63a67165da5e9f08c1132521598701d914573 Mon Sep 17 00:00:00 2001
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From: John W. Linville <linville@tuxdriver.com>
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Date: Wed, 14 Dec 2011 11:09:04 -0500
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Subject: [PATCH] modpost: add option to allow external modules to avoid taint
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In some cases, it might be desirable to package a module from an
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external source tree alongside the base kernel. In those cases, it
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might also be desirable to not have those modules tainting the kernel.
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This patch provides a mechanism for an external module build to declare
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itself as an "integrated build". Such a module is then treated the same
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as an intree module.
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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---
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Any thoughts on this? I'm thinking of adding this to Fedora kernels,
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where I have been working to integrate the compat-wireless package as
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part of the base kernel RPM.
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scripts/Makefile.modpost | 1 +
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scripts/mod/modpost.c | 10 ++++++++--
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2 files changed, 9 insertions(+), 2 deletions(-)
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diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
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index 08dce14..160c6fb 100644
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--- a/scripts/Makefile.modpost
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+++ b/scripts/Makefile.modpost
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@@ -81,6 +81,7 @@ modpost = scripts/mod/modpost \
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$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
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$(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \
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$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) \
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+ $(if $(INTEGRATED_BUILD),-B) \
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$(if $(cross_build),-c)
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quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
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diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
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index 2bd594e..5d077f9 100644
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--- a/scripts/mod/modpost.c
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+++ b/scripts/mod/modpost.c
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@@ -43,6 +43,9 @@ static int warn_unresolved = 0;
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static int sec_mismatch_count = 0;
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static int sec_mismatch_verbose = 1;
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+/* Is this a module being built as part of an integrated package? */
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+static int integrated_build = 0;
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+
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enum export {
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export_plain, export_unused, export_gpl,
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export_unused_gpl, export_gpl_future, export_unknown
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@@ -1851,7 +1854,7 @@ static void add_header(struct buffer *b, struct module *mod)
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static void add_intree_flag(struct buffer *b, int is_intree)
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{
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- if (is_intree)
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+ if (is_intree || integrated_build)
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buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");
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}
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@@ -2101,7 +2104,7 @@ int main(int argc, char **argv)
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struct ext_sym_list *extsym_iter;
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struct ext_sym_list *extsym_start = NULL;
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- while ((opt = getopt(argc, argv, "i:I:e:cmsSo:awM:K:")) != -1) {
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+ while ((opt = getopt(argc, argv, "i:I:e:cmsSo:awM:K:B")) != -1) {
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switch (opt) {
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case 'i':
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kernel_read = optarg;
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@@ -2139,6 +2142,9 @@ int main(int argc, char **argv)
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case 'w':
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warn_unresolved = 1;
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break;
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+ case 'B':
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+ integrated_build = 1;
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+ break;
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default:
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exit(1);
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}
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--
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1.7.4.4
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