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Re: [PATCH v5] mac80211: implement multi-vif in-place reservations

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On 13 May 2014 15:42, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> On Thu, 2014-05-08 at 12:41 +0200, Michal Kazior wrote:
>
>> Then, if you want to avoid the chanctx overcommit problem, you need to
>> make switch_vif_chanctx() to act as drv_add_chanctx(old_ctx) and
>> drv_remove_chanctx(new_ctx) implicitly, i.e.
>>
>>  drv_switch_vif_chanctx(hw, vifs, n_vifs, old_ctx, new_ctx, SWAP);
>>
>> instead of:
>>
>>  drv_add_chanctx(new_ctx);
>>  drv_switch_vif_chanctx(hw, vifs, n_vifs, old_ctx, new_ctx, SWAP);
>>  drv_remove_chanctx(old_ctx);
>
> That's pretty much what I'd considered, except that now as far as I read
> the thread this wasn't sufficient for multi-context, so we'd need lists
> of old/new contexts?

Hmm.. In what cases do you need a list of old/new contexts?


Michal
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