From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 808481DE3DB; Sat, 7 Feb 2026 14:55:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770476122; cv=none; b=jFW9lR63wJfbth44iYi+/5z8opP7xWkYWJfXnKdO2SCyF4BqOxCRyycNgq3a1iSp6V1NVeSlleVJh+B7DHHWRmG7XAjM6Mu1+Rvx3xhPj1sFG0yPVHPjLw4doBEceiIJX1f2yoITW0hiuDRNn+E+HsHSwvgkUxDNLeRHd/Ic1jE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770476122; c=relaxed/simple; bh=/Vn1e2hoVlCMMBL+WFkQl4UcnH2Hfa5hsCRlW3VBLWs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dZ3GCp+H1CTOhQsSRVBFzCjN9boyWOacmMlJYm0CVm5OpV1s59zPtYWwoEvlvawnUUMzvtRznNNvFSUlOP6ms9KqwQOyUq30kihgxgikDvJLDUOLUqfBvPy05TAxt6uXbGsS0UGFlSKHJaim570XA79FB2YQbkhmAMqtg/JOzYc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Rei9Oyl4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Rei9Oyl4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD3EDC116D0; Sat, 7 Feb 2026 14:55:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770476122; bh=/Vn1e2hoVlCMMBL+WFkQl4UcnH2Hfa5hsCRlW3VBLWs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Rei9Oyl4Wxf2xzDBJ9LwHboVDd0CBlU2GARJoyFyj1VldpMGSmc/r1sHbhjwVzbFQ jA5mH24TAFNtiLcE22pTKmo/kg/qFkk1I1ONJWyKeRTvlpF5jKV/CsQhwW+MvgxXCU PlHwaWzAjcYXzlIQt+CVOqXycKWu5encomi/wDThmt9jgL9dK1eY2hi6e1Jb1Vzgfp nJDulxCwkAYxInL0vypevNk8UyeGxW3zwq/oUUuKUpevEmZB6s3+QL2h+Qtz3IYU63 NUv1zUKNkOhvQMpAIyBP+9BKM0hbwNCl4wvkiDRxWzngc0/B5Ycuja/ckHK+SqrnsO xGt0RX3aqKNog== Date: Sat, 7 Feb 2026 14:55:16 +0000 From: Conor Dooley To: Lv Zheng Cc: Tomasz Jeznach , Joerg Roedel , Will Deacon , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Jingyu Li , iommu@lists.linux.dev, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, devicetree@vger.kernel.org Subject: Re: [PATCH v3 4/8] dt-bindings: iommu: Add spacemit/t100 features Message-ID: <20260207-gap-taekwondo-40c0661eaa08@spud> References: <20260204-primer-wrought-6f64b14bf152@spud> <53171BEB06F43599+7c1f54bc-e72d-4cbd-9d10-194ae6b13744@linux.spacemit.com> <20260205-attitude-customer-129fe2bd5dc7@spud> <20260206-buffed-scrubbed-36fc49ada496@spud> <7433DA16B96EE987+9b6398e6-edad-4a2e-814d-921483e5f1da@linux.spacemit.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="mN4chUiAHJni2zvS" Content-Disposition: inline In-Reply-To: <7433DA16B96EE987+9b6398e6-edad-4a2e-814d-921483e5f1da@linux.spacemit.com> --mN4chUiAHJni2zvS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Feb 07, 2026 at 12:24:30PM +0800, Lv Zheng wrote: >=20 > >=20 > > Also, I don't see an answer to my question about whether the hardware > > will work without the driver changes this series introduces and enables > > with the new compatible? >=20 > Basically, T100 is riscv,iommu compatible, its IOATS part should be able > to work using standard HPM events with standard riscv,iommu HPM > compatible driver. That's fine, that's all I wanted to know. The riscv,iommu compatible can stay :) --mN4chUiAHJni2zvS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaYdSVAAKCRB4tDGHoIJi 0n51AP4035S/CKCxinCsG9YuPN4rFYU+scihXululGWkNe1FfwEAi9PnqZh5dPw+ dqNXvYjrQVtAVZ215qZDKcazpcqFHAI= =pm4A -----END PGP SIGNATURE----- --mN4chUiAHJni2zvS--