[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <352b1e15-3c6d-a398-3fe6-0f438e0e8406@linux.ibm.com>
Date: Thu, 24 Nov 2022 09:33:57 +0100
From: Jan Karcher <jaka@...ux.ibm.com>
To: "D. Wythe" <alibuda@...ux.alibaba.com>, kgraul@...ux.ibm.com,
wenjia@...ux.ibm.com
Cc: kuba@...nel.org, davem@...emloft.net, netdev@...r.kernel.org,
linux-s390@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH net-next v5 00/10] optimize the parallelism of SMC-R
connections
On 24/11/2022 06:55, D. Wythe wrote:
>
>
> On 11/23/22 11:54 PM, D.Wythe wrote:
>> From: "D.Wythe" <alibuda@...ux.alibaba.com>
>>
>> This patch set attempts to optimize the parallelism of SMC-R connections,
>> mainly to reduce unnecessary blocking on locks, and to fix exceptions
>> that
>> occur after thoses optimization.
>>
>
>> D. Wythe (10):
>> net/smc: Fix potential panic dues to unprotected
>> smc_llc_srv_add_link()
>> net/smc: fix application data exception
>> net/smc: fix SMC_CLC_DECL_ERR_REGRMB without smc_server_lgr_pending
>> net/smc: remove locks smc_client_lgr_pending and
>> smc_server_lgr_pending
>> net/smc: allow confirm/delete rkey response deliver multiplex
>> net/smc: make SMC_LLC_FLOW_RKEY run concurrently
>> net/smc: llc_conf_mutex refactor, replace it with rw_semaphore
>> net/smc: use read semaphores to reduce unnecessary blocking in
>> smc_buf_create() & smcr_buf_unuse()
>> net/smc: reduce unnecessary blocking in smcr_lgr_reg_rmbs()
>> net/smc: replace mutex rmbs_lock and sndbufs_lock with rw_semaphore
>>
>> net/smc/af_smc.c | 74 ++++----
>> net/smc/smc_core.c | 541
>> +++++++++++++++++++++++++++++++++++++++++++++++------
>> net/smc/smc_core.h | 53 +++++-
>> net/smc/smc_llc.c | 285 ++++++++++++++++++++--------
>> net/smc/smc_llc.h | 6 +
>> net/smc/smc_wr.c | 10 -
>> net/smc/smc_wr.h | 10 +
>> 7 files changed, 801 insertions(+), 178 deletions(-)
>>
>
> Hi Jan and Wenjia,
>
> I'm wondering whether the bug fix patches need to be put together in
> this series. I'm considering
> sending these bug fix patches separately now, which may be better, in
> case that our patch
> might have other problems. These bug fix patches are mainly independent,
> even without my other
> patches, they may be triggered theoretically.
Hi D.
Wenjia and i just talked about that. For us it would be better
separating the fixes and the new logic.
If the fixes are independent feel free to post them to net.
>
> Of course, these bug fix patches may need to ahead before the other PATCH,
> otherwise the probability of the problems they fixed may be amplified in
> an intermediate version.
True. Thanks for pointing that out.
Thank you
- Jan
>
> What do you think?
>
> Best Wishes.
> D. Wythe
Powered by blists - more mailing lists