change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/samples/bpf/test_overhead_kprobe_kern.c
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@@ -7,9 +7,15 @@
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 #include <linux/version.h>
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 #include <linux/ptrace.h>
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 #include <uapi/linux/bpf.h>
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-#include "bpf_helpers.h"
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+#include <bpf/bpf_helpers.h>
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+#include <bpf/bpf_tracing.h>
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-#define _(P) ({typeof(P) val = 0; bpf_probe_read(&val, sizeof(val), &P); val;})
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+#define _(P)                                                                   \
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+	({                                                                     \
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+		typeof(P) val = 0;                                             \
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+		bpf_probe_read_kernel(&val, sizeof(val), &(P));                \
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+		val;                                                           \
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+	})
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 SEC("kprobe/__set_task_comm")
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 int prog(struct pt_regs *ctx)
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@@ -24,8 +30,9 @@
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 	tsk = (void *)PT_REGS_PARM1(ctx);
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 	pid = _(tsk->pid);
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-	bpf_probe_read(oldcomm, sizeof(oldcomm), &tsk->comm);
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-	bpf_probe_read(newcomm, sizeof(newcomm), (void *)PT_REGS_PARM2(ctx));
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+	bpf_probe_read_kernel(oldcomm, sizeof(oldcomm), &tsk->comm);
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+	bpf_probe_read_kernel(newcomm, sizeof(newcomm),
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+			      (void *)PT_REGS_PARM2(ctx));
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 	signal = _(tsk->signal);
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 	oom_score_adj = _(signal->oom_score_adj);
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 	return 0;