[PATCH] cifs: Remove locking in smb2_verify_signature() when calculating SMB2/SMB3 signature on receiving packets

Aurélien Aptel aaptel at suse.com
Fri Mar 27 11:05:23 UTC 2020

Long Li <longli at microsoft.com> writes:
>>need for locks). AFAIK there's no state that need to be kept between
>>signing/encrypting calls beside the access to keys. Is it that expensive to
> My guess is that crypto_alloc_shash() is a heavy call?

AFAIK there's no IO, just some memory allocation. Could be faster than
locking. Something to look into, maybe...

Aurélien Aptel / SUSE Labs Samba Team
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