[PATCH 0/5] crypto: talitos: Add crypto async queue handling
Martin Hicks
mort at bork.org
Sat Feb 21 05:26:21 AEDT 2015
Resending to linux-crypto in plain text.
Sorry to everyone else for the duplication.
mh
On Fri, Feb 20, 2015 at 1:23 PM, Martin Hicks <mort at bork.org> wrote:
>
> I've just noticed that performance is pretty terrible with maxcpus=1, so
> I'll investigate that.
> mh
>
> On Fri, Feb 20, 2015 at 11:21 AM, Martin Hicks <mort at bork.org> wrote:
>>
>> I was testing dm-crypt performance with a Freescale P1022 board with
>> a recent kernel and was getting IO errors while doing testing with LUKS.
>> Investigation showed that all hardware FIFO slots were filling and
>> the driver was returning EAGAIN to the block layer, which is not an
>> expected response for an async crypto implementation.
>>
>> The following patch series adds a few small fixes, and reworks the
>> submission path to use the crypto_queue mechanism to handle the
>> request backlog.
>>
>>
>> Martin Hicks (5):
>> crypto: talitos: Simplify per-channel initialization
>> crypto: talitos: Remove MD5_BLOCK_SIZE
>> crypto: talitos: Fix off-by-one and use all hardware slots
>> crypto: talitos: Reorganize request submission data structures
>> crypto: talitos: Add software backlog queue handling
>>
>> drivers/crypto/talitos.c | 189
>> ++++++++++++++++++++++++----------------------
>> drivers/crypto/talitos.h | 44 +++++++++--
>> 2 files changed, 137 insertions(+), 96 deletions(-)
>>
>> --
>> 1.7.10.4
>>
>
>
>
> --
> Martin Hicks P.Eng. | mort at bork.org
> Bork Consulting Inc. | +1 (613) 266-2296
--
Martin Hicks P.Eng. | mort at bork.org
Bork Consulting Inc. | +1 (613) 266-2296
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