selftests/bpf: Removed obsolete tests

Now bpf_timer can be used in tracepoints, so these tests are no longer
relevant.

Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20260201025403.66625-9-alexei.starovoitov@gmail.com

Author: mykyta5

tools/testing/selftests/bpf/progs/verifier_helper_restricted.c

@@ -17,17 +17,6 @@ struct {
 	__type(value, struct val);
 } map_spin_lock SEC(".maps");
 
-struct timer {
-	struct bpf_timer t;
-};
-
-struct {
-	__uint(type, BPF_MAP_TYPE_ARRAY);
-	__uint(max_entries, 1);
-	__type(key, int);
-	__type(value, struct timer);
-} map_timer SEC(".maps");
-
 SEC("kprobe")
 __description("bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_KPROBE")
 __failure __msg("program of this type cannot use helper bpf_ktime_get_coarse_ns")
@@ -84,106 +73,6 @@ __naked void bpf_prog_type_raw_tracepoint_1(void)
 	: __clobber_all);
 }
 
-SEC("kprobe")
-__description("bpf_timer_init isn restricted in BPF_PROG_TYPE_KPROBE")
-__failure __msg("tracing progs cannot use bpf_timer yet")
-__naked void in_bpf_prog_type_kprobe_2(void)
-{
-	asm volatile ("					\
-	r2 = r10;					\
-	r2 += -8;					\
-	r1 = 0;						\
-	*(u64*)(r2 + 0) = r1;				\
-	r1 = %[map_timer] ll;				\
-	call %[bpf_map_lookup_elem];			\
-	if r0 == 0 goto l0_%=;				\
-	r1 = r0;					\
-	r2 = %[map_timer] ll;				\
-	r3 = 1;						\
-l0_%=:	call %[bpf_timer_init];				\
-	exit;						\
-"	:
-	: __imm(bpf_map_lookup_elem),
-	  __imm(bpf_timer_init),
-	  __imm_addr(map_timer)
-	: __clobber_all);
-}
-
-SEC("perf_event")
-__description("bpf_timer_init is forbidden in BPF_PROG_TYPE_PERF_EVENT")
-__failure __msg("tracing progs cannot use bpf_timer yet")
-__naked void bpf_prog_type_perf_event_2(void)
-{
-	asm volatile ("					\
-	r2 = r10;					\
-	r2 += -8;					\
-	r1 = 0;						\
-	*(u64*)(r2 + 0) = r1;				\
-	r1 = %[map_timer] ll;				\
-	call %[bpf_map_lookup_elem];			\
-	if r0 == 0 goto l0_%=;				\
-	r1 = r0;					\
-	r2 = %[map_timer] ll;				\
-	r3 = 1;						\
-l0_%=:	call %[bpf_timer_init];				\
-	exit;						\
-"	:
-	: __imm(bpf_map_lookup_elem),
-	  __imm(bpf_timer_init),
-	  __imm_addr(map_timer)
-	: __clobber_all);
-}
-
-SEC("tracepoint")
-__description("bpf_timer_init is forbidden in BPF_PROG_TYPE_TRACEPOINT")
-__failure __msg("tracing progs cannot use bpf_timer yet")
-__naked void in_bpf_prog_type_tracepoint_2(void)
-{
-	asm volatile ("					\
-	r2 = r10;					\
-	r2 += -8;					\
-	r1 = 0;						\
-	*(u64*)(r2 + 0) = r1;				\
-	r1 = %[map_timer] ll;				\
-	call %[bpf_map_lookup_elem];			\
-	if r0 == 0 goto l0_%=;				\
-	r1 = r0;					\
-	r2 = %[map_timer] ll;				\
-	r3 = 1;						\
-l0_%=:	call %[bpf_timer_init];				\
-	exit;						\
-"	:
-	: __imm(bpf_map_lookup_elem),
-	  __imm(bpf_timer_init),
-	  __imm_addr(map_timer)
-	: __clobber_all);
-}
-
-SEC("raw_tracepoint")
-__description("bpf_timer_init is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT")
-__failure __msg("tracing progs cannot use bpf_timer yet")
-__naked void bpf_prog_type_raw_tracepoint_2(void)
-{
-	asm volatile ("					\
-	r2 = r10;					\
-	r2 += -8;					\
-	r1 = 0;						\
-	*(u64*)(r2 + 0) = r1;				\
-	r1 = %[map_timer] ll;				\
-	call %[bpf_map_lookup_elem];			\
-	if r0 == 0 goto l0_%=;				\
-	r1 = r0;					\
-	r2 = %[map_timer] ll;				\
-	r3 = 1;						\
-l0_%=:	call %[bpf_timer_init];				\
-	exit;						\
-"	:
-	: __imm(bpf_map_lookup_elem),
-	  __imm(bpf_timer_init),
-	  __imm_addr(map_timer)
-	: __clobber_all);
-}
-
 SEC("kprobe")
 __description("bpf_spin_lock is forbidden in BPF_PROG_TYPE_KPROBE")
 __failure __msg("tracing progs cannot use bpf_spin_lock yet")