linux-kernel - Re: [patch 28/35] net: iwlwifi: Remove in

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Date:   Mon, 28 Sep 2020 06:13:14 +0000
From:   "Coelho, Luciano" <luciano.coelho@...el.com>
To:     "tglx@...utronix.de" <tglx@...utronix.de>,
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Subject: Re: [patch 28/35] net: iwlwifi: Remove in_interrupt() from tracing
 macro.

On Sun, 2020-09-27 at 21:49 +0200, Thomas Gleixner wrote:
> From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> 
> The usage of in_interrupt) in driver code is phased out.
> 
> The iwlwifi_dbg tracepoint records in_interrupt() seperately, but that's
> superfluous because the trace header already records all kind of state and
> context information like hardirq status, softirq status, preemption count
> etc.
> 
> Aside of that the recording of in_interrupt() as boolean does not allow to
> distinguish between the possible contexts (hard interrupt, soft interrupt,
> bottom half disabled) while the trace header gives precise information.
> 
> Remove the duplicate information from the tracepoint and fixup the caller.
> 
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Johannes Berg <johannes.berg@...el.com>
> Cc: Emmanuel Grumbach <emmanuel.grumbach@...el.com>
> Cc: Luca Coelho <luciano.coelho@...el.com>
> Cc: Intel Linux Wireless <linuxwifi@...el.com>
> Cc: Kalle Valo <kvalo@...eaurora.org>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: linux-wireless@...r.kernel.org
> Cc: netdev@...r.kernel.org

Acked-by: Luca Coelho <luca@...lho.fi>

--
Luca.