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[2003:cb:c72a:bc00:9a2d:8a48:ef51:96fb]) by smtp.gmail.com with ESMTPSA id bj4-20020a0560001e0400b0033b68556c38sm13191661wrb.70.2024.02.20.01.09.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Feb 2024 01:09:40 -0800 (PST) Message-ID: <6ca94bf1-68b4-4a81-8cd0-d86683e0b12c@redhat.com> Date: Tue, 20 Feb 2024 10:09:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 2/4] mm: introduce new flag to indicate wc safe To: Ankit Agrawal , Zhi Wang , Jason Gunthorpe , "maz@kernel.org" , "oliver.upton@linux.dev" , "james.morse@arm.com" , "suzuki.poulose@arm.com" , "yuzenghui@huawei.com" , "reinette.chatre@intel.com" , "surenb@google.com" , "stefanha@redhat.com" , "brauner@kernel.org" , "catalin.marinas@arm.com" , "will@kernel.org" , "mark.rutland@arm.com" , "alex.williamson@redhat.com" , "kevin.tian@intel.com" , "yi.l.liu@intel.com" , "ardb@kernel.org" , "akpm@linux-foundation.org" , "andreyknvl@gmail.com" , "wangjinchao@xfusion.com" , "gshan@redhat.com" , "shahuang@redhat.com" , "ricarkol@google.com" , "linux-mm@kvack.org" , "lpieralisi@kernel.org" , "rananta@google.com" , "ryan.roberts@arm.com" , "linus.walleij@linaro.org" , "bhe@redhat.com" Cc: Aniket Agashe , Neo Jia , Kirti Wankhede , "Tarun Gupta (SW-GPU)" , Vikram Sethi , Andy Currid , Alistair Popple , John Hubbard , Dan Williams , "kvmarm@lists.linux.dev" , Matt Ochs , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" References: <20240220072926.6466-1-ankita@nvidia.com> <20240220072926.6466-3-ankita@nvidia.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: A188B80011 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: qw8xs8qw6iegzuwozot3su4hhpwfk6a1 X-HE-Tag: 1708420184-388762 X-HE-Meta: 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 PcVOPY0Z 5i1E6flqHuYPQHIe7oGf5x2KWDUWRgVw5pV1w0CRqh5yhaZSRDT2F5eBWpZdmRvAc6taKlTx+g72qs0P215Ru9KWHiwbCdZKA3HQ617oqresLobtvirAKwYYRKJYKRcKIUDvh1wITDM/8CLz2ZVampoOEWoNEuWYtYFZoki3u06ABrj7C1/WC7GZiSi5UmWzWrcm46lM19DNRDv50UiLvm4U/Rw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 20.02.24 09:51, Ankit Agrawal wrote: >>> To safely use VFIO in KVM the platform must guarantee full safety in the >>> guest where no action taken against a MMIO mapping can trigger an >>> uncontained failure. We belive that most VFIO PCI platforms support this >> >> A nit, let's use passive voice in the patch comment. Also belive is mostly >> a typo. > > Sure, will do. > s/we expect/the expectation is that/ s/We belive/The assumption is/ If it's just that, likely no need to resend. Maintainers usually can fix that up when applying (otherwise, they'll let you know :) ). -- Cheers, David / dhildenb