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https://gitlab.alpinelinux.org/alpine/aports.git
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c5d7d46418
Kernel aport with an identical config of main/linux-lts following stable kernel releases. community/linux-edge has been known in the past years to have a different config and APKBUILD than linux-lts, notably some security features are disabled to avoid a larger kernel size. Ref: https://gitlab.alpinelinux.org/alpine/aports/-/merge_requests/75307#note_467911
36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
From bca0b26f4322e5262da0fcb876f2dec7efd301be Mon Sep 17 00:00:00 2001
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From: Natanael Copa <ncopa@alpinelinux.org>
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Date: Thu, 14 Jul 2022 13:23:51 +0200
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Subject: [PATCH 3/5] kexec: add kexec_load_disabled boot option
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Make kexec_load disabled by default and add a boot option to enable it:
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kexec_load_disabled=0
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---
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kernel/kexec_core.c | 11 ++++++++++-
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1 file changed, 10 insertions(+), 1 deletion(-)
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diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
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index c0caa14880c3..e3af6628f098 100644
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--- a/kernel/kexec_core.c
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+++ b/kernel/kexec_core.c
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@@ -885,7 +885,16 @@ static struct kexec_load_limit load_limit_panic = {
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struct kimage *kexec_image;
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struct kimage *kexec_crash_image;
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-static int kexec_load_disabled;
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+static int kexec_load_disabled = 1;
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+
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+static int __init kexec_load_disabled_setup(char *str)
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+{
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+ unsigned long disabled;
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+ if (!kstrtoul(str, 0, &disabled))
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+ kexec_load_disabled = disabled ? 1 : 0;
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+ return 1;
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+}
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+__setup("kexec_load_disabled=", kexec_load_disabled_setup);
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#ifdef CONFIG_SYSCTL
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static int kexec_limit_handler(const struct ctl_table *table, int write,
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--
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2.47.1
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