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Date:   Fri, 27 Aug 2021 10:11:40 +0800
From:   Wen Gong <wgong@codeaurora.org>
To:     Johannes Berg <johannes@sipsolutions.net>
Cc:     ath11k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH v2 8/8] mac80211: save transmit power envelope element and
 power constraint
In-Reply-To: <dfe27f657b4615369cf751d394f5cba75f5fdcc1.camel@sipsolutions.net>
References: <20210820122041.12157-1-wgong@codeaurora.org>
 <20210820122041.12157-9-wgong@codeaurora.org>
 <dfe27f657b4615369cf751d394f5cba75f5fdcc1.camel@sipsolutions.net>
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On 2021-08-26 16:29, Johannes Berg wrote:
...
> 
>> +		if (is_6ghz) {
>> +			struct ieee802_11_elems elems;
> 
> This is pretty big, not sure we want it on the stack (causes warnings
> for me in build). Also, if we're doing this anyway, then we can change
> the code above (perhaps as a separate patch) to not do
> cfg80211_find_ext_ie() but rather take it out of the parsed.
do you mean NOT use cfg80211_find_ext_ie()/cfg80211_find_ie() and still 
use "struct ieee802_11_elems elems" here and
move this code to a separate function/patch?
it has more than one tx_pwr_env in one beacon, if we use 
cfg80211_find_ext_ie()/cfg80211_find_ie(),
it need add more logic.
> 
...
> 
> johannes