Some BLS fixes
20-grub-install: Replace, rather than overwrite, the existing kernel (pjones) Resolves: rhbz#1642402 99-grub-mkconfig: Don't update grubenv generating entries on ppc64le Related: rhbz#1637875 blscfg: fallback to default_kernelopts if BLS option field isn't set Related: rhbz#1625124 grub-switch-to-blscfg: copy increment.mod for legacy BIOS and ppc64 Resolves: rhbz#1652806 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas
parent
3690f710db
commit
5d7e4540ed
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Tue, 26 Feb 2019 20:11:27 +0100
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Subject: [PATCH] blscfg: fallback to default_kernelopts if BLS option field
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isn't set
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If the $kernelopts variable isn't found, then the entry will fail to boot
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since there won't be a kernel command line params set. This makes the BLS
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configuration more fragile than a non-BLS one, since in that case it will
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boot even without a correct grubenv file.
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So set a $default_kernelopts in the GRUB config file that will be used as
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a fallback if the value in the BLS options field can't be resolved.
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Related: rhbz#1625124
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/commands/blscfg.c | 7 +++++++
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util/grub.d/10_linux.in | 2 ++
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2 files changed, 9 insertions(+)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index 1ef2ae06cff..5635066e3eb 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -629,6 +629,9 @@ static char *expand_val(char *value)
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char *end = value;
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bool is_var = false;
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+ if (!value)
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+ return NULL;
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+
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while (*value) {
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if (*value == '$') {
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if (start != end) {
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@@ -732,6 +735,10 @@ static void create_entry (struct bls_entry *entry)
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title = bls_get_val (entry, "title", NULL);
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options = expand_val (bls_get_val (entry, "options", NULL));
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+
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+ if (!options)
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+ options = expand_val (grub_env_get("default_kernelopts"));
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+
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initrds = bls_make_list (entry, "initrd", NULL);
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hotkey = bls_get_val (entry, "grub_hotkey", NULL);
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index 22a85c69ea0..2547dd52115 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -158,6 +158,8 @@ linux_entry ()
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populate_header_warn
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cat << EOF
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+set default_kernelopts="root=${linux_root_device_thisversion} ro ${args}"
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+
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insmod blscfg
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blscfg
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if [ -s \$prefix/grubenv ]; then
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@ -0,0 +1,43 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Tue, 26 Feb 2019 21:25:39 +0100
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Subject: [PATCH] grub-switch-to-blscfg: copy increment.mod for legacy BIOS and
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ppc64
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This module is also used in newer GRUB config and weren't present in old
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GRUB installations, so it has to be copied before attempting to generate
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a BLS configuration.
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Resolves: rhbz#1652806
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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util/grub-switch-to-blscfg.in | 14 ++++++++------
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1 file changed, 8 insertions(+), 6 deletions(-)
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diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
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index eeea1307706..49b3985fadb 100644
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--- a/util/grub-switch-to-blscfg.in
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+++ b/util/grub-switch-to-blscfg.in
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@@ -288,13 +288,15 @@ if [ "${GENERATE}" -eq 1 ] ; then
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copy_bls
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if [ $arch = "x86_64" ] && [ ! -d /sys/firmware/efi ]; then
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- if ! cp ${prefix}/lib/grub//i386-pc/blscfg.mod ${grubdir}/i386-pc/ ; then
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- exit 1
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- fi
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+ mod_dir="i386-pc"
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elif [ $arch = "ppc64" -o $arch = "ppc64le" ] && [ ! -d /sys/firmware/opal ]; then
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- if ! cp ${prefix}/lib/grub/powerpc-ieee1275/blscfg.mod ${grubdir}/powerpc-ieee1275/ ; then
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- exit 1
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- fi
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+ mod_dir="powerpc-ieee1275"
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+ fi
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+
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+ if [ -n "${mod_dir}" ]; then
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+ for mod in blscfg increment; do
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+ cp ${prefix}/lib/grub/${mod_dir}/${mod}.mod ${grubdir}/$mod_dir/ || exit 1
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+ done
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fi
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cp -af "${GRUB_CONFIG_FILE}" "${GRUB_CONFIG_FILE}${backupsuffix}"
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@ -281,3 +281,5 @@ Patch0280: 0280-Try-to-set-fPIE-and-friends-on-libgnu.a.patch
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Patch0281: 0281-Don-t-make-grub_strtoull-print-an-error-if-no-conver.patch
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Patch0282: 0282-Set-blsdir-if-the-BLS-directory-path-isn-t-one-of-th.patch
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Patch0283: 0283-Check-if-blsdir-exists-before-attempting-to-get-it-s.patch
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Patch0284: 0284-blscfg-fallback-to-default_kernelopts-if-BLS-option-.patch
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Patch0285: 0285-grub-switch-to-blscfg-copy-increment.mod-for-legacy-.patch
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12
grub2.spec
12
grub2.spec
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@ -7,7 +7,7 @@
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Name: grub2
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Epoch: 1
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Version: 2.02
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Release: 70%{?dist}
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Release: 71%{?dist}
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Summary: Bootloader with support for Linux, Multiboot and more
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License: GPLv3+
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URL: http://www.gnu.org/software/grub/
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@ -473,6 +473,16 @@ rm -r /boot/grub2.tmp/ || :
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%endif
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%changelog
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* Wed Feb 27 2019 Javier Martinez Canillas <javierm@redhat.com> - 2.02-71
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- 20-grub-install: Replace, rather than overwrite, the existing kernel (pjones)
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Resolves: rhbz#1642402
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- 99-grub-mkconfig: Don't update grubenv generating entries on ppc64le
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Related: rhbz#1637875
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- blscfg: fallback to default_kernelopts if BLS option field isn't set
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Related: rhbz#1625124
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- grub-switch-to-blscfg: copy increment.mod for legacy BIOS and ppc64
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Resolves: rhbz#1652806
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* Fri Feb 15 2019 Javier Martinez Canillas <javierm@redhat.com> - 2.02-70
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- Check if blsdir exists before attempting to get it's real path
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Resolves: rhbz#1677415
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