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([2404:f801:9000:18:efec::50b]) by smtp.gmail.com with ESMTPSA id t10sm4331860pga.6.2021.12.03.23.21.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Dec 2021 23:22:03 -0800 (PST) Message-ID: <59e41c28-260f-876d-c7cf-a13669ad8984@gmail.com> Date: Sat, 4 Dec 2021 15:21:50 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH V3 1/5] Swiotlb: Add Swiotlb bounce buffer remap function for HV IVM Content-Language: en-US To: Tom Lendacky , kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, jgross@suse.com, sstabellini@kernel.org, boris.ostrovsky@oracle.com, joro@8bytes.org, will@kernel.org, davem@davemloft.net, kuba@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com, arnd@arndb.de, hch@infradead.org, m.szyprowski@samsung.com, robin.murphy@arm.com, Tianyu.Lan@microsoft.com, xen-devel@lists.xenproject.org, michael.h.kelley@microsoft.com Cc: iommu@lists.linux-foundation.org, linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org, vkuznets@redhat.com, brijesh.singh@amd.com, konrad.wilk@oracle.com, hch@lst.de, parri.andrea@gmail.com, dave.hansen@intel.com References: <20211201160257.1003912-1-ltykernel@gmail.com> <20211201160257.1003912-2-ltykernel@gmail.com> <41bb0a87-9fdb-4c67-a903-9e87d092993a@amd.com> <06faf04c-dc4a-69fd-0be9-04f57f779ffe@amd.com> <1b7b8e20-a861-ab26-26a1-dad1eb80a461@amd.com> From: Tianyu Lan In-Reply-To: <1b7b8e20-a861-ab26-26a1-dad1eb80a461@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/4/2021 4:06 AM, Tom Lendacky wrote: >>> Hi Tom: >>>        Thanks for your test. Could you help to test the following >>> patch and check whether it can fix the issue. >> >> The patch is mangled. Is the only difference where >> set_memory_decrypted() is called? > > I de-mangled the patch. No more stack traces with SME active. > > Thanks, > Tom Hi Tom: Thanks a lot for your rework and test. I will update in the next version. Thanks.