mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
378 B
21 lines
378 B
3 years ago
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
|
||
|
|
#include <asm/kup.h>
|
||
|
|
#include <asm/smp.h>
|
||
|
|
|
||
|
|
struct static_key_false disable_kuep_key;
|
||
|
|
|
||
|
|
void setup_kuep(bool disabled)
|
||
|
|
{
|
||
|
|
if (!disabled)
|
||
|
|
kuep_lock();
|
||
|
|
|
||
|
|
if (smp_processor_id() != boot_cpuid)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (disabled)
|
||
|
|
static_branch_enable(&disable_kuep_key);
|
||
|
|
else
|
||
|
|
pr_info("Activating Kernel Userspace Execution Prevention\n");
|
||
|
|
}
|