From: Jakub Kicinski <kuba@kernel.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: "Aymen Sghaier" <aymen.sghaier@nxp.com>,
"Madalin Bucur" <madalin.bucur@nxp.com>,
"Zhu Yanjun" <zyjzyj2000@gmail.com>,
"Samuel Chessman" <chessman@tux.org>,
"Ping-Ke Shih" <pkshih@realtek.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Horia Geantă" <horia.geanta@nxp.com>,
linux-rdma@vger.kernel.org,
"Rain River" <rain.1986.08.12@gmail.com>,
"Kalle Valo" <kvalo@codeaurora.org>,
"Ulrich Kunitz" <kune@deine-taler.de>, "Jouni Malinen" <j@w1.fi>,
linuxppc-dev@lists.ozlabs.org, "Daniel Drake" <dsd@gentoo.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
"Leon Romanovsky" <leon@kernel.org>,
netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
"Li Yang" <leoyang.li@nxp.com>,
linux-crypto@vger.kernel.org, "Jon Mason" <jdmason@kudzu.us>,
"Saeed Mahameed" <saeedm@nvidia.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH net-next 00/15] in_interrupt() cleanup, part 2
Date: Fri, 30 Oct 2020 11:29:00 -0700 [thread overview]
Message-ID: <20201030112900.08bd1750@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> (raw)
In-Reply-To: <20201027225454.3492351-1-bigeasy@linutronix.de>
On Tue, 27 Oct 2020 23:54:39 +0100 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 includes conditional locking, allocation mode (GFP_*) decisions and
> avoidance of code paths which might sleep.
>
> In the long run, usage of 'preemptible, in_*irq etc.' should be banned from
> driver code completely.
>
> This is part two addressing remaining drivers except for orinoco-usb.
Freescale folks - can I get an ack for merging the last three patches
into net-next?
next prev parent reply other threads:[~2020-10-30 18:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 22:54 [PATCH net-next 00/15] in_interrupt() cleanup, part 2 Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 01/15] net: orinoco: Remove BUG_ON(in_interrupt/irq()) Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 02/15] net: neterion: s2io: Replace in_interrupt() for context detection Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 03/15] net: forcedeth: Replace context and lock check with a lockdep_assert() Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 04/15] net: mlx5: Replace in_irq() usage Sebastian Andrzej Siewior
2020-10-31 16:59 ` Jakub Kicinski
2020-11-02 21:41 ` Saeed Mahameed
2020-11-03 19:31 ` Saeed Mahameed
2020-10-27 22:54 ` [PATCH net-next 05/15] net: tlan: " Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 06/15] net: airo: Invoke airo_read_wireless_stats() directly Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 07/15] net: airo: Always use JOB_STATS and JOB_EVENT Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 08/15] net: airo: Replace in_atomic() usage Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 09/15] net: hostap: Remove in_atomic() check Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 10/15] net: zd1211rw: Remove in_atomic() usage Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 11/15] net: rtlwifi: Remove in_interrupt() usage in is_any_client_connect_to_ap() Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 12/15] net: rtlwifi: Remove in_interrupt() usage in halbtc_send_bt_mp_operation() Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 13/15] soc/fsl/qbman: Add an argument to signal if NAPI processing is required Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 14/15] net: dpaa: Replace in_irq() usage Sebastian Andrzej Siewior
2020-10-31 17:12 ` Jakub Kicinski
2020-11-01 23:04 ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 15/15] crypto: caam: " Sebastian Andrzej Siewior
2020-10-30 18:29 ` Jakub Kicinski [this message]
2020-10-31 17:08 ` [PATCH net-next 00/15] in_interrupt() cleanup, part 2 Jakub Kicinski
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