From: Julian Wiedmann <jwi@linux.ibm.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-s390@vger.kernel.org
Cc: Karsten Graul <kgraul@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/6] s390/ctcm: Remove gfp_type() usage.
Date: Thu, 19 Nov 2020 10:01:59 +0200 [thread overview]
Message-ID: <edffa634-999e-66a0-fb21-c37803912583@linux.ibm.com> (raw)
In-Reply-To: <20201118105317.605671-1-bigeasy@linutronix.de>
On 18.11.20 12:53, Sebastian Andrzej Siewior wrote:
> Folks,
>
> in the discussion about preempt count consistency across kernel
> configurations:
> https://lore.kernel.org/r/20200914204209.256266093@linutronix.de/
>
> Linus clearly requested that code in drivers and libraries which changes
> behaviour based on execution context should either be split up so that
> e.g. task context invocations and BH invocations have different interfaces
> or if that's not possible the context information has to be provided by the
> caller which knows in which context it is executing.
>
> This series is removing the gfp_type() usage which uses in_interrupt().
> Overall it appears to be a nice cleanup according to the diffstat.
Thank you for digging through this mess!
> There are still two in_irq() users left in ctcm which I'm currently
> struggling with.
>
If that fixes the sparse complaints about unbalanced locking, it will be
very much appreciated!
> Sebastian
>
>
prev parent reply other threads:[~2020-11-19 8:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 10:53 [PATCH 0/6] s390/ctcm: Remove gfp_type() usage Sebastian Andrzej Siewior
2020-11-18 10:53 ` [PATCH 1/6] s390/ctcm: Put struct th_header and th_sweep on stack Sebastian Andrzej Siewior
2020-11-19 7:45 ` Julian Wiedmann
2020-11-19 8:12 ` Sebastian Andrzej Siewior
2020-11-19 8:16 ` Julian Wiedmann
2020-11-19 9:37 ` Sebastian Andrzej Siewior
2020-11-18 10:53 ` [PATCH 2/6] s390/ctcm: Put struct qllc " Sebastian Andrzej Siewior
2020-11-19 7:56 ` Julian Wiedmann
2020-11-18 10:53 ` [PATCH 3/6] s390/ctcm: Put struct pdu " Sebastian Andrzej Siewior
2020-11-19 7:52 ` Julian Wiedmann
2020-11-18 10:53 ` [PATCH 4/6] s390/ctcm: Use explicit allocation mask in ctcmpc_unpack_skb() Sebastian Andrzej Siewior
2020-11-19 7:28 ` Julian Wiedmann
2020-11-18 10:53 ` [PATCH 5/6] s390/ctcm: Use GFP_KERNEL in add_channel() Sebastian Andrzej Siewior
2020-11-19 7:30 ` Julian Wiedmann
2020-11-18 10:53 ` [PATCH 6/6] s390/ctcm: Use GFP_ATOMIC in ctcmpc_tx() Sebastian Andrzej Siewior
2020-11-19 7:34 ` Julian Wiedmann
2020-11-19 8:01 ` Julian Wiedmann [this message]
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