From: Saket Kumar Bhaskar <skb99@linux.ibm.com>
To: bpf@vger.kernel.org, netdev@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: ast@kernel.org, hbathini@linux.ibm.com, andrii@kernel.org,
aleksander.lobakin@intel.com, daniel@iogearbox.net,
davem@davemloft.net, kuba@kernel.org, hawk@kernel.org,
martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org,
yonghong.song@linux.dev, john.fastabend@gmail.com,
kpsingh@kernel.org
Subject: [PATCH v2 1/2] bpf, test_run: Replace hardcoded page size with dynamic PAGE_SIZE in test_run
Date: Wed, 5 Mar 2025 22:43:55 +0530 [thread overview]
Message-ID: <b6e7bbda97f45dcd0362ab99623d54db32742d9d.1741188826.git.skb99@linux.ibm.com> (raw)
In-Reply-To: <cover.1741188826.git.skb99@linux.ibm.com>
Replace fixed value 4096 with PAGE_SIZE for calculating the max_data_sz
in bpf_prog_test_run_xdp, which allows for a more accurate determination
of max_data_sz, considering different default page sizes across different
architectures.
Signed-off-by: Saket Kumar Bhaskar <skb99@linux.ibm.com>
---
net/bpf/test_run.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 7cb192cbd65f..c0d5bbf20098 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -1249,7 +1249,7 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
headroom -= ctx->data;
}
- max_data_sz = 4096 - headroom - tailroom;
+ max_data_sz = PAGE_SIZE - headroom - tailroom;
if (size > max_data_sz) {
/* disallow live data mode for jumbo frames */
if (do_live)
--
2.43.5
next prev parent reply other threads:[~2025-03-05 17:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-05 17:13 [PATCH v2 0/2] Fix xdp_adjust_frags_tail_grow selftest on powerpc Saket Kumar Bhaskar
2025-03-05 17:13 ` Saket Kumar Bhaskar [this message]
2025-03-05 17:13 ` [PATCH v2 2/2] selftests/bpf: Refactor xdp_adjust_tail selftest with dynamic sizing Saket Kumar Bhaskar
2025-03-07 15:24 ` [PATCH v2 0/2] Fix xdp_adjust_frags_tail_grow selftest on powerpc Venkat Rao Bagalkote
2025-03-11 4:32 ` Saket Kumar Bhaskar
2025-03-20 8:20 ` Saket Kumar Bhaskar
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