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Date:   Fri, 31 Jul 2020 13:31:41 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Rakesh Pillai <pillair@codeaurora.org>
Cc:     ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
        linux-kernel@vger.kernel.org, kvalo@codeaurora.org,
        davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH v2 0/3]
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On Fri, 31 Jul 2020 23:57:19 +0530 Rakesh Pillai wrote:
> The history recording will be compiled only if
> ATH10K_DEBUG is enabled, and also enabled via
> the module parameter. Once the history recording
> is enabled via module parameter, it can be enabled
> or disabled runtime via debugfs.

Have you seen the trace_devlink_hwmsg() interface?
Could it be used here?