From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/tools/testing/selftests/bpf/urandom_read.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/kernel/tools/testing/selftests/bpf/urandom_read.c b/kernel/tools/testing/selftests/bpf/urandom_read.c
index 9de8b7c..db78105 100644
--- a/kernel/tools/testing/selftests/bpf/urandom_read.c
+++ b/kernel/tools/testing/selftests/bpf/urandom_read.c
@@ -7,11 +7,19 @@
#define BUF_SIZE 256
+static __attribute__((noinline))
+void urandom_read(int fd, int count)
+{
+ char buf[BUF_SIZE];
+ int i;
+
+ for (i = 0; i < count; ++i)
+ read(fd, buf, BUF_SIZE);
+}
+
int main(int argc, char *argv[])
{
int fd = open("/dev/urandom", O_RDONLY);
- int i;
- char buf[BUF_SIZE];
int count = 4;
if (fd < 0)
@@ -20,8 +28,7 @@
if (argc == 2)
count = atoi(argv[1]);
- for (i = 0; i < count; ++i)
- read(fd, buf, BUF_SIZE);
+ urandom_read(fd, count);
close(fd);
return 0;
--
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