linux-kernel - Re: [PATCH 7/9] s390: Convert from tasklet to BH workqueue

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Date: Wed, 3 Apr 2024 06:33:23 -0700
From: Allen <allen.lkml@...il.com>
To: Alexandra Winter <wintera@...ux.ibm.com>
Cc: Allen Pais <apais@...ux.microsoft.com>, linux-kernel@...r.kernel.org, tj@...nel.org, 
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Subject: Re: [PATCH 7/9] s390: Convert from tasklet to BH workqueue

> >
> > Signed-off-by: Allen Pais <allen.lkml@...il.com>
> > ---
> >  drivers/s390/block/dasd.c              | 42 ++++++++++++------------
> >  drivers/s390/block/dasd_int.h          | 10 +++---
> >  drivers/s390/char/con3270.c            | 27 ++++++++--------
> >  drivers/s390/crypto/ap_bus.c           | 24 +++++++-------
> >  drivers/s390/crypto/ap_bus.h           |  2 +-
> >  drivers/s390/crypto/zcrypt_msgtype50.c |  2 +-
> >  drivers/s390/crypto/zcrypt_msgtype6.c  |  4 +--
> >  drivers/s390/net/ctcm_fsms.c           |  4 +--
> >  drivers/s390/net/ctcm_main.c           | 15 ++++-----
> >  drivers/s390/net/ctcm_main.h           |  5 +--
> >  drivers/s390/net/ctcm_mpc.c            | 12 +++----
> >  drivers/s390/net/ctcm_mpc.h            |  7 ++--
> >  drivers/s390/net/lcs.c                 | 26 +++++++--------
> >  drivers/s390/net/lcs.h                 |  2 +-
> >  drivers/s390/net/qeth_core_main.c      |  2 +-
> >  drivers/s390/scsi/zfcp_qdio.c          | 45 +++++++++++++-------------
> >  drivers/s390/scsi/zfcp_qdio.h          |  9 +++---
> >  17 files changed, 117 insertions(+), 121 deletions(-)
> >
>
>
> We're looking into the best way to test this.
>
> For drivers/s390/net/ctcm* and drivers/s390/net/lcs*:
> Acked-by: Alexandra Winter <wintera@...ux.ibm.com>

 Thank you very much.

>
>
> [...]
> > diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
> > index a0cce6872075..10ea95abc753 100644
> > --- a/drivers/s390/net/qeth_core_main.c
> > +++ b/drivers/s390/net/qeth_core_main.c
> > @@ -2911,7 +2911,7 @@ static int qeth_init_input_buffer(struct qeth_card *card,
> >       }
> >
> >       /*
> > -      * since the buffer is accessed only from the input_tasklet
> > +      * since the buffer is accessed only from the input_work
> >        * there shouldn't be a need to synchronize; also, since we use
> >        * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run  out off
> >        * buffers
>
> I propose to delete the whole comment block. There have been many changes and
> I don't think it is helpful for the current qeth driver.


 Sure, I will have it fixed in v2.

- Allen