linux-kernel - Re: [PATCH 0/5] Enable some configs in loongson3

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Message-ID: <fccef9c4-da67-c232-7d61-07f2c6cabbd0@loongson.cn>
Date: Fri, 9 May 2025 23:09:21 +0800
From: Tiezhu Yang <yangtiezhu@...ngson.cn>
To: Huacai Chen <chenhuacai@...nel.org>
Cc: loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] Enable some configs in loongson3_defconfig

On 5/7/25 12:24, Huacai Chen wrote:
...

> Have you tried (both OpenSSL)
> 
> sudo ./perf probe -x /usr/lib64/libcrypto.so BN_mod_mul_montgomery
> sudo ./perf stat -e probe_libcrypto:BN_mod_mul_montgomery openssl speed sm2
> 
> or (both Tongsuo)
> 
> sudo ./perf probe -x /opt/tongsuo/lib/libcrypto.so BN_mod_mul_montgomery
> sudo ./perf stat -e probe_libcrypto:BN_mod_mul_montgomery
> /opt/tongsuo/bin/openssl speed sm2
> 
> and still success?
> 
> I tried, and both got a SIGTRAP or system hang.

I can reproduce it now and have a draft patch to fix it.

I am busy with some emergency stuff recently and will send
the formal patch as soon as I have some free time to make
a proper commit message.

Thanks,
Tiezhu