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De Francesco" , Terry Bowman , Joshua Hahn Subject: Re: [PATCH v3 08/11] cxl/region: Implement endpoint decoder address translation Message-ID: References: <20250912144514.526441-1-rrichter@amd.com> <20250912144514.526441-9-rrichter@amd.com> <20250915114614.000053f1@huawei.com> Precedence: bulk X-Mailing-List: linux-cxl@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: On Wed, Sep 17, 2025 at 04:51:37PM -0400, Gregory Price wrote: > You have to do the alignment because the translation function (may) > only work on granularity alignment. > > Example: > endpoint1->to_hpa(0) => 0x0 > endpoint1->to_hpa(0xfffffff) => 0xffffe00 0x3ffffe00 > endpoint2->to_hpa(0) => 0x100 > endpoint2->to_hpa(0xfffffff) => 0xfffff00 0x3fffff00 minor corrections above if intending to use for documentation