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Added support for kernel >= 5.4

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This commit is contained in:
Said Musaev
2020-05-27 18:28:45 +02:00
parent 275f97a49e
commit 19e9f34cdf
1 changed files with 8 additions and 1 deletions
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9
kernel/nb_km.c
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@@ -22,6 +22,10 @@
#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,12,0)
#include <asm/cacheflush.h>
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
#include <linux/kallsyms.h>
int (*set_memory_x)(unsigned long, int) = 0;
int (*set_memory_nx)(unsigned long, int) = 0;
#else
#include <linux/set_memory.h>
#endif
@@ -568,7 +572,10 @@ static struct kobject* nb_kobject;
static int __init nb_init(void) {
pr_debug("Initializing nanoBench kernel module...\n");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
set_memory_x = (void*)kallsyms_lookup_name("set_memory_x");
set_memory_nx = (void*)kallsyms_lookup_name("set_memory_nx");
#endif
if (check_cpuid()) {
return -1;
}