cleanup!: remove support for kernel versions <= 2.6.20

Signed-off-by: Andrea Terzolo <[email protected]>
falcosecurity · Sep 25, 2023 · 5c27cc1 · 5c27cc1
1 parent 2cd2c1a
commit 5c27cc1
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Showing 6 changed files with 0 additions and 249 deletions.
diff --git a/driver/CMakeLists.txt b/driver/CMakeLists.txt
@@ -107,7 +107,6 @@ set(DRIVER_SOURCES
 	ppm_fillers.h
 	ppm_flag_helpers.h
 	ppm_ringbuffer.h
-	ppm_syscall.h
 	syscall_table.c
 	syscall_table32.c
 	syscall_table64.c

diff --git a/driver/main.c b/driver/main.c
@@ -11,14 +11,7 @@ or GPL2.txt for full copies of the license.
 
 #include <linux/version.h>
 #include <trace/syscall.h>
-
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 20)
-#include <linux/kobject.h>
-#include <trace/sched.h>
-#include "ppm_syscall.h"
-#else
 #include <asm/syscall.h>
-#endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 20) */
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37))
 #include <asm/atomic.h>

diff --git a/driver/ppm.h b/driver/ppm.h
@@ -109,9 +109,6 @@ extern void ppm_syscall_get_arguments(struct task_struct *task, struct pt_regs *
 // used in main.c, ppm_events.c and ppm_fillers.c so include it just once here
 #ifdef __KERNEL__
 #include <linux/version.h>
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 20)
-#include "ppm_syscall.h"
-#endif
 #endif
 
 #endif /* PPM_H_ */
diff --git a/driver/ppm_events.c b/driver/ppm_events.c
@@ -29,12 +29,7 @@ or GPL2.txt for full copies of the license.
 #include <linux/kernel.h>
 #include <asm/mman.h>
 #include <linux/in.h>
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 20)
-#include <linux/mount.h>
-#include "ppm_syscall.h"
-#else
 #include <asm/syscall.h>
-#endif
 #else // UDIG
 #define _GNU_SOURCE
 #include <inttypes.h>

diff --git a/driver/ppm_fillers.c b/driver/ppm_fillers.c
@@ -32,11 +32,7 @@ or GPL2.txt for full copies of the license.
 #ifdef CONFIG_CGROUPS
 #include <linux/cgroup.h>
 #endif
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 20)
-#include "ppm_syscall.h"
-#else
 #include <asm/syscall.h>
-#endif
 #else /* UDIG */
 #define _GNU_SOURCE
 #include <inttypes.h>

diff --git a/driver/ppm_syscall.h b/driver/ppm_syscall.h