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Fri, 11 Mar 2022 21:23:57 +0800 Received: from lhreml710-chm.china.huawei.com ([169.254.81.184]) by lhreml710-chm.china.huawei.com ([169.254.81.184]) with mapi id 15.01.2308.021; Fri, 11 Mar 2022 13:23:55 +0000 To: "eric.auger@redhat.com" , "linux-arm-kernel@lists.infradead.org" , "linux-acpi@vger.kernel.org" , "iommu@lists.linux-foundation.org" Subject: RE: [PATCH v8 00/11] ACPI/IORT: Support for IORT RMR node Thread-Topic: [PATCH v8 00/11] ACPI/IORT: Support for IORT RMR node Thread-Index: AQHYJznkm20llCW58kat42rWyx2T0ay572iAgABYQ+A= Date: Fri, 11 Mar 2022 13:23:55 +0000 Message-ID: <96b57daaf56f4f3c916b3e9271377c46@huawei.com> References: <20220221154344.2126-1-shameerali.kolothum.thodi@huawei.com> <0f9634c1-8401-7814-7783-c1c042e8fb42@redhat.com> In-Reply-To: <0f9634c1-8401-7814-7783-c1c042e8fb42@redhat.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.47.88.223] MIME-Version: 1.0 X-CFilter-Loop: Reflected Cc: "robin.murphy@arm.com" , "jon@solid-run.com" , Linuxarm , "steven.price@arm.com" , "Guohanjun \(Hanjun Guo\)" , yangyicong , "Sami.Mujawar@arm.com" , "will@kernel.org" , wanghuiqiang X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Shameerali Kolothum Thodi via iommu Reply-To: Shameerali Kolothum Thodi Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" > -----Original Message----- > From: Eric Auger [mailto:eric.auger@redhat.com] > Sent: 11 March 2022 08:07 > To: Shameerali Kolothum Thodi ; > linux-arm-kernel@lists.infradead.org; linux-acpi@vger.kernel.org; > iommu@lists.linux-foundation.org > Cc: Linuxarm ; lorenzo.pieralisi@arm.com; > joro@8bytes.org; robin.murphy@arm.com; will@kernel.org; wanghuiqiang > ; Guohanjun (Hanjun Guo) > ; steven.price@arm.com; Sami.Mujawar@arm.com; > jon@solid-run.com; yangyicong > Subject: Re: [PATCH v8 00/11] ACPI/IORT: Support for IORT RMR node > > Hi Shameer, > > On 2/21/22 4:43 PM, Shameer Kolothum wrote: > > Hi, > > > > Since we now have an updated verion[0] of IORT spec(E.d) which > > addresses the memory attributes issues discussed here [1], > > this series now make use of it. > > > > The pull request for ACPICA E.d related changes are already > > raised and can be found here, > > https://github.com/acpica/acpica/pull/752 > > > > v7 --> v8 > > - Patch #1 has temp definitions for RMR related changes till > > the ACPICA header changes are part of kernel. > > - No early parsing of RMR node info and is only parsed at the > > time of use. > > - Changes to the RMR get/put API format compared to the > > previous version. > > - Support for RMR descriptor shared by multiple stream IDs. > > I tested it on guest side for host MSI SW RESV region flat mapping > (using both the old single mapping layout and the now allowed multiple > RID ID mapping format) and this worked for me. Feel free to add my > > Tested-by: Eric Auger Thanks Eric for verifying this, especially the multiple RID mapping case. Cheers, Shameer _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu