From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794452712; b=26cnk45cNRpVDe4hvQW/bLV4GZ5AuqtQ17OeD2dZsvtb8Gana+LSGGn+ns/Bm0he1kFM 0kYKyP1M1vabqN1MJvIvjOVx9FvyCK+vjkCdVy8cvd2RR1FLdgD26xacwqBoiVbou6Nk3 YIL25n881CjwPaHCR5n4SAU7oTVb0y34gqk1Hhcz2xtlxjx53D20W6w3aRTT15WaL83Nf g+P2DnASykhApfg5fN3fd7DbEORsjDZgh+SSqrlYcMdZi8YUpibiB9ul9Oc5AMPWPUAy1 FSVy+CzF56SkFF4MEqBbeoZWk3V/p94YplrHLSJ99lQEj1ushhJpJ+fxpsC5Rw590OA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794452712; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=thjW8A8oWWML0/79cc7dWKgoCgJG45jy913lBgEH8EY=; b=SW+My2MsDa5lLczFH/wW6u43q38I3xGqdAxsr33H3rzKOLM6jZUqMe3KajHwA/3EJbK/ V+mOEHb82YzYKazUi5rafE5Qc96BaRydm0G+hbVnwptOhWTBuw4ku3NoaMkgcnbWlgtnf pS5pAxk6PTfHbbLzGYXzdMZA9iL2DnyQcrXiv3nuMGjExgRfhzeWj3ag8RrZ4R0NcqX+m nX4ezTWvRi1zUILU0G0Cpx70tpK+vlOC64raFKaMWtckyDRywu8a2WFDEgThIfVutT/q2 eNHGyJpgk8SLKgQT0kHKihpQCDLuMJB5dB3FanXJFFuEp1jHUF24YKZ4TmN2xU3bvSQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=bdq6vW4N; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08330606A31C for ; Thu, 12 Nov 2026 03:05:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=bdq6vW4N Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57D7E1F00A05; Thu, 12 Nov 2026 03:05:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794452711; bh=thjW8A8oWWML0/79cc7dWKgoCgJG45jy913lBgEH8EY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=bdq6vW4NFOkPuIeF93E7khhzmYsvnjFhl2LPgtByCG1oKH8o9hBfYXyg+VFJMdhEZ yy6JkDLpsPTqdPpFNRGzNBv7Ja+2x2GxHWTo1DZqzQsYkKMFxXdQg1lPMzhr+i/YQN RymovTVa6dF0EiJ7G06IrIIQF+1MmTrS5OcqbtWdt+++gvkBdPCXA8k6/tGSN9erCE E5Ipzyg6TsYwDHDQlmhl512ofKkeloxs5WjSPGoPKLbnEsVLL2jc26x1C9JlvaiMB4 xsSVECTmHEeIMisvtkwiMKWu9xqIJZaMfv2u3TQrG+yQhS1+vfIWjxlknm6GRTpIkR arT/2jNkvrCxw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v27 16/17] ALSA: pcm: add an explicit application pointer to indirect playback transfer Reply-To: sashiko-reviews@lists.linux.dev To: "Joonho Lee" Cc: virtualization@lists.linux.dev, "Michael S. Tsirkin" , "Eugenio Perez" In-Reply-To: <20261112004704.49758-17-mynameisjune111@gmail.com> References: <20261112004704.49758-1-mynameisjune111@gmail.com> <20261112004704.49758-17-mynameisjune111@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 12 Nov 2026 03:05:10 +0000 X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > The indirect playback transfer helper samples runtime->control->appl_ptr > internally. A driver that needs to refill already committed data from a > pointer callback cannot pass the application-pointer snapshot used for > ACK validation. >=20 > Add snd_pcm_indirect_playback_transfer_appl_ptr() so callers can supply > that snapshot. Keep snd_pcm_indirect_playback_transfer() as a wrapper > that samples the runtime pointer as before, preserving existing callers. >=20 > The explicit-pointer form lets virtio refill accepted data without > accepting new application progress while the ALSA buffer-access gate is > closed. >=20 > Assisted-by: LLM > Signed-off-by: Joonho Lee Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261112004704.4975= 8-1-mynameisjune111@gmail.com?part=3D16