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[95.117.40.97]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a1776cfe45sm44826795e9.1.2026.10.05.21.19.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Oct 2026 21:19:13 -0700 (PDT) Date: Tue, 6 Oct 2026 06:18:41 +0200 From: Karl Mehltretter To: Arend van Spriel Cc: linux-wireless@vger.kernel.org, Sebastian Andrzej Siewior , Clark Williams , Steven Rostedt , "David S . Miller" , Eric Dumazet , brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, stable@vger.kernel.org Subject: Re: [PATCH] wifi: brcmfmac: avoid sleeping tx locks in netpoll context Message-ID: References: <20260930185417.61865-1-kmehltretter@gmail.com> <20261004122910.1392318-1-arend.vanspriel@broadcom.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261004122910.1392318-1-arend.vanspriel@broadcom.com> On Sun, Oct 04, 2026 at 05:29:10AM +0100, Arend van Spriel wrote: > Is there an opportunity to reuse/refactor brcmf_sdio_prec_enq() rather than > adding a separate brcmf_sdio_prec_enq_irqoff() helper? For example, passing > a can_evict parameter: > Thanks for the review! Sharing the helper with a can_evict argument is cleaner. One queue user does not hold txq_lock: brcmf_fws_bus_txq_cleanup() dequeues through brcmu_pktq_pdeq_match(). Lockdep instrumentation in fcmode=1 and 2 confirmed that cleanup enters without txq_lock. I combined the helpers, but kept brcmu_pktq_penq() for normal calls. Karl