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 0CCAC340A46; Wed, 4 Feb 2026 17:38:21 +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=1770226702; cv=none; b=n3elXQspQ/o9oo4cCgHvGDtLhXEitBrcIobVdbijNxzwz+deoDNjMIlJVWyg6e0wOMroFywDrMmw5Zy/i5BNRNdPi9kEbJraaFQQoE8NiMjp1W6K5W4jwbEQhp3wy4tqP3Y9e6EcxtdsQp9jIeF21m05BBwDEamU0M/3yIhWNeM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770226702; c=relaxed/simple; bh=szEiRqNQBmBl7xB3+WCKENyasS6skJktBrmm9AAZG38=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Yz8YrnBdgBm2Cw0n7bn1w0f3yEjEpxp0A99u2G1XLofa+xHrU3BPpMEQQCzqkJncCap3IYQIWKnPv3O7iq88p26+qXcaqMJmiXIjj866r2F8EhI1qHsRGbVbTbTKWijrVFDw9Ce4w4JG1Q28XpPYRelA1HOCRchNvCGpwBHBkvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OK7mxYwl; 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="OK7mxYwl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13636C4CEF7; Wed, 4 Feb 2026 17:38:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770226701; bh=szEiRqNQBmBl7xB3+WCKENyasS6skJktBrmm9AAZG38=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OK7mxYwl5E5s94aPs5ejbwJwn+I0fRMo+pjfbWuEl14jpm/cuNrxDl6nLpp90CEg4 33XUY3dbyIFmQtbo6TJYO+zr5ppcsJbkWWIxWcKxs9J0ZK8ix5Vp0/WedbhUpQsccb 9DuUEZudveuh5ObbojfrsmnZP5QDZ4hsD6/cX4Jt8ODok+fwbWHVKm4S5WpFs37lPJ U3DGGW2XCWjaLiIO8Qea9A7RTF4iUsOiPD3VvKtwn49l4LYQBQauSb7f3S+vlWjvU6 KmeAvb9OPMU/bHH/1GWkpkFGhlq5yEOpCaNTMirEGJOc/fl+9AqLIDRxALp03Se55B owkMaQ9Waz6Tg== Date: Wed, 4 Feb 2026 17:38:15 +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 , Zhijian Chen , 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 8/8] perf vendor events riscv:: Add support for spacemit,riscv-iommu HPM aliasing Message-ID: <20260204-suds-shush-d85872589cb3@spud> References: <5242DDF0A783AF08+e141f1898581018f8dd0723cb5c870c23ec679d6.1770195980.git.lv.zheng@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="iqh0NaWGo05RcNxz" Content-Disposition: inline In-Reply-To: <5242DDF0A783AF08+e141f1898581018f8dd0723cb5c870c23ec679d6.1770195980.git.lv.zheng@linux.spacemit.com> --iqh0NaWGo05RcNxz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 04, 2026 at 05:09:52PM +0800, Lv Zheng wrote: > Add JSON HPM event aliases for SpacemiT distributed IOMMU (T100) which is > general and compatible for all SpacemiT RISC-V SoCs. >=20 > Signed-off-by: Lv Zheng > Signed-off-by: Jingyu Li > --- > MAINTAINERS | 3 + > .../arch/riscv/spacemit/iommu/sys/ioatc.json | 30 ++++ > .../arch/riscv/spacemit/iommu/sys/ioats.json | 163 ++++++++++++++++++ > 3 files changed, 196 insertions(+) > create mode 100644 tools/perf/pmu-events/arch/riscv/spacemit/iommu/sys/i= oatc.json > create mode 100644 tools/perf/pmu-events/arch/riscv/spacemit/iommu/sys/i= oats.json >=20 > diff --git a/MAINTAINERS b/MAINTAINERS > index 7c50701b6001..4d91f99aa742 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -22459,12 +22459,15 @@ K: riscv > =20 > RISC-V IOMMU > M: Tomasz Jeznach > +M: Lv Zheng > +M: Jingyu Li To be frank, this looks misguided, or at least premature, to me, given the state of the patchset. > L: iommu@lists.linux.dev > L: linux-riscv@lists.infradead.org > S: Maintained > T: git git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git > F: Documentation/devicetree/bindings/iommu/riscv,iommu.yaml > F: drivers/iommu/riscv/ > +F: tools/perf/pmu-events/arch/riscv/spacemit/iommu/ --iqh0NaWGo05RcNxz Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaYOEBwAKCRB4tDGHoIJi 0rAbAP9BQO+rmDwgyVtdWWl0COzirfBZ1h1MHPLEsDSPOC3q8AEAkAY/lFFX/2Ft ThczQMoz8DL7QCbK+gjE+pWs9vdsNwE= =n4nj -----END PGP SIGNATURE----- --iqh0NaWGo05RcNxz--