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[47.54.130.67]) by smtp.gmail.com with ESMTPSA id af79cd13be357-914bb9d6b1dsm1068052185a.26.2026.05.25.09.47.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 May 2026 09:47:16 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1wRYSR-0000000AbRY-2eeV; Mon, 25 May 2026 13:47:15 -0300 Date: Mon, 25 May 2026 13:47:15 -0300 From: Jason Gunthorpe To: Joonwon Kang Cc: kevin.tian@intel.com, Alexander.Grest@microsoft.com, alexander.shishkin@linux.intel.com, amhetre@nvidia.com, baolu.lu@linux.intel.com, bp@alien8.de, dave.hansen@linux.intel.com, easwar.hariharan@linux.microsoft.com, hpa@zytor.com, iommu@lists.linux.dev, jacob.jun.pan@linux.intel.com, joro@8bytes.org, jpb@kernel.org, kas@kernel.org, kees@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@redhat.com, nicolinc@nvidia.com, peterz@infradead.org, praan@google.com, robin.murphy@arm.com, ryasuoka@redhat.com, smostafa@google.com, sohil.mehta@intel.com, tglx@kernel.org, will@kernel.org, x86@kernel.org, xin@zytor.com Subject: Re: [PATCH v2] iommu: Allow device driver to use its own PASID space for SVA Message-ID: <20260525164715.GA2487554@ziepe.ca> References: <20260525152924.524721-1-joonwonkang@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260525152924.524721-1-joonwonkang@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260525_094718_497583_281E375B X-CRM114-Status: GOOD ( 10.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, May 25, 2026 at 03:29:24PM +0000, Joonwon Kang wrote: > Currently, the only known expected user of the new kAPI is our team. Since > I test if the patch resolves our problem before sending it, I believe it > should be good enough. Do you mean more than our team by "accompanied > users"? He means you cannot send patches like this that only serve OOT drivers to the mainline kernel. Jason