2021-09-15 10:26:37 -04:00
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#!/bin/bash
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#DivestOS: A privacy focused mobile distribution
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#Copyright (c) 2017-2021 Divested Computing Group
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#
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#This program is free software: you can redistribute it and/or modify
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#it under the terms of the GNU General Public License as published by
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#the Free Software Foundation, either version 3 of the License, or
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#(at your option) any later version.
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#
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#This program is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#GNU General Public License for more details.
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#
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#You should have received a copy of the GNU General Public License
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#along with this program. If not, see <https://www.gnu.org/licenses/>.
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2021-09-15 11:48:07 -04:00
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echo "Post tweaks...";
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2021-09-15 10:26:37 -04:00
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#Resurrect dm-verity
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sed -i 's/^\treturn VERITY_STATE_DISABLE;//' kernel/*/*/drivers/md/dm-android-verity.c &>/dev/null || true;
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#sed -i 's/#if 0/#if 1/' kernel/*/*/drivers/power/reset/msm-poweroff.c &>/dev/null || true;
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#Workaround broken MSM_DLOAD_MODE=y+PANIC_ON_OOPS=y for devices that oops on shutdown
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#MSM_DLOAD_MODE can't be disabled as it breaks compile
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sed -i 's/set_dload_mode(in_panic)/set_dload_mode(0)/' kernel/*/*/arch/arm/mach-msm/restart.c &>/dev/null || true;
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#Disable slub/slab merging
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sed -i 's/static int slub_nomerge;/static int slub_nomerge = 1;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
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sed -i 's/static int slab_nomerge;/static int slab_nomerge = 1;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
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sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
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2021-09-15 11:48:07 -04:00
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sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
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#Enable page poisoning
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#Commented as set by defconfig
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#sed -i 's/= IS_ENABLED(CONFIG_PAGE_POISONING_ENABLE_DEFAULT);/= true;/' kernel/*/*/mm/page_poison.c &>/dev/null || true; #4.4+ #XXX: shouldn't be enabled past 5.3
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cd "$DOS_BUILD_BASE";
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echo "Post tweaks complete!";
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