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Wed, 11 Nov 2026 20:36:07 -0800 (PST) Received: from localhost.localdomain ([183.96.175.225]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b197c8b287sm2470466a91.15.2026.11.11.20.36.03 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 11 Nov 2026 20:36:06 -0800 (PST) From: Joonho Lee To: linux-sound@vger.kernel.org Cc: tiwai@suse.com, perex@perex.cz, anton.yakovlev@opensynergy.com, mst@redhat.com, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, corbet@lwn.net, skhan@linuxfoundation.org, rdunlap@infradead.org, linux-doc@vger.kernel.org, Joonho Lee Subject: [PATCH v28 13/17] ALSA: virtio: prioritize capture period work Date: Thu, 12 Nov 2026 13:35:12 +0900 Message-ID: <20261112043516.37010-14-mynameisjune111@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261112043516.37010-1-mynameisjune111@gmail.com> References: <20261112043516.37010-1-mynameisjune111@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use system_highpri_wq for capture progress notifications. Capture now always uses request-owned storage. Playback keeps the ordinary workqueue. This preserves the priority proposal separately from recovery and accounting. It provides no hard real-time guarantee and cannot prevent reader overruns. Assisted-by: LLM Signed-off-by: Joonho Lee --- sound/virtio/virtio_pcm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/virtio/virtio_pcm.h b/sound/virtio/virtio_pcm.h --- a/sound/virtio/virtio_pcm.h +++ b/sound/virtio/virtio_pcm.h @@ -173,6 +173,9 @@ static inline bool virtsnd_pcm_schedule_period_elapsed(struct virtio_pcm_substream *vss) { + if (vss->direction == SNDRV_PCM_STREAM_CAPTURE) + return queue_work(system_highpri_wq, &vss->elapsed_period); + return schedule_work(&vss->elapsed_period); }