fedora-41-hibernate.patch

diff --color -rupN a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
--- a/Documentation/admin-guide/kernel-parameters.txt	2025-03-28 21:04:59.000000000 +0000
+++ b/Documentation/admin-guide/kernel-parameters.txt	2025-04-05 09:49:51.707327847 +0100
@@ -3074,6 +3074,11 @@
 			to extract confidential information from the kernel
 			are also disabled.
 
+	lockdown_hibernate	[HIBERNATION]
+			Enable hibernation even if lockdown is enabled. Enable this only if
+			your swap is encrypted and secured properly, as an attacker can
+			modify the kernel offline during hibernation.
+
 	locktorture.acq_writer_lim= [KNL]
 			Set the time limit in jiffies for a lock
 			acquisition.  Acquisitions exceeding this limit
diff --color -rupN a/kernel/power/hibernate.c b/kernel/power/hibernate.c
--- a/kernel/power/hibernate.c	2025-03-28 21:04:59.000000000 +0000
+++ b/kernel/power/hibernate.c	2025-04-05 09:51:38.509738786 +0100
@@ -37,6 +37,7 @@
 #include "power.h"
 
 
+static int lockdown_hibernate;
 static int nocompress;
 static int noresume;
 static int nohibernate;
@@ -92,7 +93,7 @@ void hibernate_release(void)
 bool hibernation_available(void)
 {
 	return nohibernate == 0 &&
-		!security_locked_down(LOCKDOWN_HIBERNATION) &&
+		(lockdown_hibernate || !security_locked_down(LOCKDOWN_HIBERNATION)) &&
 		!secretmem_active() && !cxl_mem_active();
 }
 
@@ -1485,6 +1486,12 @@ module_param_cb(compressor, &hibernate_c
 MODULE_PARM_DESC(compressor,
 		 "Compression algorithm to be used with hibernation");
 
+static int __init lockdown_hibernate_setup(char *str)
+{
+	lockdown_hibernate = 1;
+	return 1;
+}
+
 __setup("noresume", noresume_setup);
 __setup("resume_offset=", resume_offset_setup);
 __setup("resume=", resume_setup);
@@ -1492,3 +1499,4 @@ __setup("hibernate=", hibernate_setup);
 __setup("resumewait", resumewait_setup);
 __setup("resumedelay=", resumedelay_setup);
 __setup("nohibernate", nohibernate_setup);
+__setup("lockdown_hibernate", lockdown_hibernate_setup);