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[47.54.130.67]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8b3e281bd11sm20759256d6.8.2026.04.28.06.39.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Apr 2026 06:39:42 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1wHif8-0000000AjUG-0wGD; Tue, 28 Apr 2026 10:39:42 -0300 Date: Tue, 28 Apr 2026 10:39:42 -0300 From: Jason Gunthorpe To: fangyu.yu@linux.alibaba.com Cc: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, tjeznach@rivosinc.com, kevin.tian@intel.com, baolu.lu@linux.intel.com, vasant.hegde@amd.com, anup@brainfault.org, atish.patra@linux.dev, skhawaja@google.com, guoren@kernel.org, kvm@vger.kernel.org, iommu@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Zong Li Subject: Re: [RFC PATCH 11/11] iommu/riscv: support nested iommu for getting iommu hardware information Message-ID: <20260428133942.GI849557@ziepe.ca> References: <20260428131359.34872-1-fangyu.yu@linux.alibaba.com> <20260428131359.34872-12-fangyu.yu@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260428131359.34872-12-fangyu.yu@linux.alibaba.com> On Tue, Apr 28, 2026 at 09:13:59PM +0800, fangyu.yu@linux.alibaba.com wrote: > From: Zong Li > > This patch implements .hw_info operation and the related data > structures for passing the IOMMU hardware capabilities for iommufd. > > Signed-off-by: Zong Li > Reviewed-by: Jason Gunthorpe > Signed-off-by: Fangyu Yu > --- > drivers/iommu/riscv/iommu.c | 19 +++++++++++++++++++ > include/uapi/linux/iommufd.h | 18 ++++++++++++++++++ > 2 files changed, 37 insertions(+) This has nothing to do with dirty tracking. It should go with a series introducing viommu. Jason