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From: Edward Cree <ecree@solarflare.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Linus Torvalds <torvalds@linuxfoundation.org>,
	Paul McKenney <paulmck@kernel.org>,
	"Matthew Wilcox" <willy@infradead.org>,
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Subject: Re: [patch 15/35] net: sfc: Replace in_interrupt() usage.
Date: Mon, 28 Sep 2020 20:03:26 +0100	[thread overview]
Message-ID: <168a1f9e-cba4-69a8-9b29-5c121295e960@solarflare.com> (raw)
In-Reply-To: <20200927194921.344476620@linutronix.de>

On 27/09/2020 20:49, Thomas Gleixner wrote:
> Note, that the fixes tag is empty as it is unclear which of the commits to
> blame.
Seems like it should be
Fixes: f00bf2305cab("sfc: don't update stats on VF when called in atomic context")
 since that adds the in_interrupt() check and the code concerned
 doesn't seemto have changed a great deal since.

Anyway, this fix looks correct, and you can have my
Acked-by: Edward Cree <ecree@solarflare.com>
 but I thinkit might be cleaner to avoid having to have this unused
 can_sleep argument on all the NICs that don't need it, by instead
 adding an update_stats_atomic() member to struct efx_nic_type, which
 could be set to the same as update_stats() for everything except
 EF10 VFs which would just do the call to efx_update_sw_stats().
I'll send an rfc patch embodying the above shortly...

-ed

WARNING: multiple messages have this Message-ID (diff)
From: Edward Cree <ecree@solarflare.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [patch 15/35] net: sfc: Replace in_interrupt() usage.
Date: Mon, 28 Sep 2020 20:03:26 +0100	[thread overview]
Message-ID: <168a1f9e-cba4-69a8-9b29-5c121295e960@solarflare.com> (raw)
In-Reply-To: <20200927194921.344476620@linutronix.de>

On 27/09/2020 20:49, Thomas Gleixner wrote:
> Note, that the fixes tag is empty as it is unclear which of the commits to
> blame.
Seems like it should be
Fixes: f00bf2305cab("sfc: don't update stats on VF when called in atomic context")
?since that adds the in_interrupt() check and the code concerned
?doesn't seemto have changed a great deal since.

Anyway, this fix looks correct, and you can have my
Acked-by: Edward Cree <ecree@solarflare.com>
?but I thinkit might be cleaner to avoid having to have this unused
?can_sleep argument on all the NICs that don't need it, by instead
?adding an update_stats_atomic() member to struct efx_nic_type, which
?could be set to the same as update_stats() for everything except
?EF10 VFs which would just do the call to efx_update_sw_stats().
I'll send an rfc patch embodying the above shortly...

-ed

  reply	other threads:[~2020-09-28 19:10 UTC|newest]

Thread overview: 115+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-27 19:48 [patch 00/35] net: in_interrupt() cleanup and fixes Thomas Gleixner
2020-09-27 19:48 ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 01/35] net: enic: Cure the enic api locking trainwreck Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 22:06   ` kernel test robot
2020-09-27 19:48 ` [patch 02/35] net: caif: Remove unused caif SPI driver Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 03/35] net: Add netif_rx_any_context() Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 04/35] net: caif: Use netif_rx_any_context() Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 05/35] net: atheros: Remove WARN_ON(in_interrupt()) Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 06/35] net: cxgb3: Cleanup in_interrupt() usage Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 07/35] net: cxbg4: Remove pointless in_interrupt() check Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 08/35] net: e100: Remove in_interrupt() usage and pointless GFP_ATOMIC allocation Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 09/35] net: fec_mpc52xx: Replace in_interrupt() usage Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 10/35] net: intel: Remove in_interrupt() warnings Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28 23:04   ` Alexander Duyck
2020-09-28 23:04     ` [Intel-wired-lan] " Alexander Duyck
2020-09-27 19:48 ` [patch 11/35] net: ionic: Replace in_interrupt() usage Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28 17:24   ` Shannon Nelson
2020-09-28 17:24     ` [Intel-wired-lan] " Shannon Nelson
2020-09-28 19:51     ` Shannon Nelson
2020-09-28 19:51       ` [Intel-wired-lan] " Shannon Nelson
2020-09-29 14:37       ` Thomas Gleixner
2020-09-29 14:37         ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:48 ` [patch 12/35] net: ionic: Remove WARN_ON(in_interrupt()) Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28 17:26   ` Shannon Nelson
2020-09-28 17:26     ` [Intel-wired-lan] " Shannon Nelson
2020-09-27 19:48 ` [patch 13/35] net: mdiobus: Remove WARN_ON_ONCE(in_interrupt()) Thomas Gleixner
2020-09-27 19:48   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 23:00   ` Andrew Lunn
2020-09-27 23:00     ` [Intel-wired-lan] " Andrew Lunn
2020-09-27 19:49 ` [patch 14/35] net: natsemi: Replace in_interrupt() usage Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 15/35] net: sfc: " Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28 19:03   ` Edward Cree [this message]
2020-09-28 19:03     ` Edward Cree
2020-09-28 20:05     ` [RFC PATCH net-next] sfc: replace " Edward Cree
2020-09-28 20:24       ` Thomas Gleixner
2020-09-29 15:15         ` Edward Cree
2020-09-29 19:27           ` Thomas Gleixner
2020-09-29  9:39       ` Martin Habets
2020-09-27 19:49 ` [patch 16/35] net: sunbmac: Replace " Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 17/35] net: sun3lance: Remove redundant checks in interrupt handler Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 18/35] net: vxge: Remove in_interrupt() conditionals Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 19/35] net: zd1211rw: Remove ZD_ASSERT(in_interrupt()) Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 20/35] net: usb: kaweth: Replace kaweth_control() with usb_control_msg() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 21/35] net: usb: kaweth: Remove last user of kaweth_control() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28  6:50   ` Greg Kroah-Hartman
2020-09-28  6:50     ` [Intel-wired-lan] " Greg Kroah-Hartman
2020-09-27 19:49 ` [patch 22/35] net: usb: net1080: Remove in_interrupt() comment Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 23/35] net: wan/lmc: Remove lmc_trace() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 24/35] net: brcmfmac: Replace in_interrupt() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28  7:35   ` Arend Van Spriel
2020-09-28  7:35     ` [Intel-wired-lan] " Arend Van Spriel
2020-09-28  9:19     ` Ulf Hansson
2020-09-28  9:19       ` [Intel-wired-lan] " Ulf Hansson
2020-09-28  9:37       ` Arend Van Spriel
2020-09-28  9:37         ` [Intel-wired-lan] " Arend Van Spriel
2020-09-28  9:40   ` Arend Van Spriel
2020-09-28  9:40     ` [Intel-wired-lan] " Arend Van Spriel
2020-09-27 19:49 ` [patch 25/35] net: brcmfmac: Use netif_rx_any_context() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28  8:03   ` Arend Van Spriel
2020-09-28  8:03     ` [Intel-wired-lan] " Arend Van Spriel
2020-09-27 19:49 ` [patch 26/35] net: brcmfmac: Convey allocation mode as argument Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28  9:34   ` Arend Van Spriel
2020-09-28  9:34     ` [Intel-wired-lan] " Arend Van Spriel
2020-09-27 19:49 ` [patch 27/35] net: ipw2x00,iwlegacy,iwlwifi: Remove in_interrupt() from debug macros Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] [patch 27/35] net: ipw2x00, iwlegacy, iwlwifi: " Thomas Gleixner
2020-09-27 19:49 ` [patch 28/35] net: iwlwifi: Remove in_interrupt() from tracing macro Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-28  6:13   ` Coelho, Luciano
2020-09-28  6:13     ` [Intel-wired-lan] " Coelho, Luciano
2020-09-27 19:49 ` [patch 29/35] net: hostap: Remove in_interrupt() usage Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 30/35] net: mwifiex: Use netif_rx_any_context() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 31/35] net: libertas libertas_tf: Remove in_interrupt() from debug macro Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 32/35] net: libertas: Use netif_rx_any_context() Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 33/35] net: rtlwifi: Remove void* casts related to delayed work Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 34/35] net: rtlwifi: Remove in_interrupt() from debug macro Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 19:49 ` [patch 35/35] net: rtlwifi: Replace in_interrupt() for context detection Thomas Gleixner
2020-09-27 19:49   ` [Intel-wired-lan] " Thomas Gleixner
2020-09-27 20:22 ` [patch 00/35] net: in_interrupt() cleanup and fixes Joe Perches
2020-09-27 20:22   ` [Intel-wired-lan] " Joe Perches
2020-09-27 20:57 ` David Miller
2020-09-27 20:57   ` [Intel-wired-lan] " David Miller
2020-09-28 10:25   ` Thomas Gleixner
2020-09-28 10:25     ` [Intel-wired-lan] " Thomas Gleixner
2020-09-29  8:01 ` Kalle Valo

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