Comments (3)
gaozhangfei
commented on July 22, 2024
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wangzhou
commented on July 22, 2024
Please also add versions of kernel, uadk, openssl-uadk. and hardware information like numa info
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gaozhangfei
commented on July 22, 2024
The root cause is poll thread using wd_rsa_poll_ctx trying to get any package,
which call driver->recv keep retying since -EAGAIN.
But recv fetch spin_lock, so send is impacted since competing spin_lock.
How to solve:
1, use semaphore, only calling wd_rsa_poll_ctx after send.
This already exists in openssl-uadk, but uadk test application does not have, which we do not consider now.
- Even after send, there is still some time required before receive.
Move spin_lock from rsa to qm, make it smaller.
commit fa9ef24
Author: Zhangfei Gao [email protected]
Date: Mon Apr 19 09:35:46 2021 +0000
wd_rsa: remove spin_lock since qm already has lock
In async mode, polling thread call wd_rsa_poll_ctx, which keeps
trying driver->recv, but always fail with -WD_EAGAIN, performance
may impacted if lock is hold at this time.
Signed-off-by: Haojian Zhuang <[email protected]>
Signed-off-by: Zhangfei Gao <[email protected]>
commit 48d8d16
Author: Haojian Zhuang [email protected]
Date: Thu Apr 1 15:12:52 2021 +0800
hisi: qm: fix the lock in receiving operation
The lock actually need to protect more resources. Since there's another
lock in algorithm for synchronization mode, these resources are always
protected by lock in algorithm. Now fix it.
Signed-off-by: Haojian Zhuang <[email protected]>
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