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X-IronPort-AV: E=McAfee;i="6500,9779,10582"; a="323786213" X-IronPort-AV: E=Sophos;i="5.96,306,1665471600"; d="scan'208";a="323786213" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:04:17 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10582"; a="656020399" X-IronPort-AV: E=Sophos;i="5.96,306,1665471600"; d="scan'208";a="656020399" Received: from xiangyuy-mobl.amr.corp.intel.com (HELO [10.212.251.186]) ([10.212.251.186]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:04:16 -0800 Message-ID: Date: Fri, 6 Jan 2023 11:04:16 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH v8 01/16] x86/tdx: Define TDX supported page sizes as macros Content-Language: en-US To: Kai Huang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: linux-mm@kvack.org, peterz@infradead.org, tglx@linutronix.de, seanjc@google.com, pbonzini@redhat.com, dan.j.williams@intel.com, rafael.j.wysocki@intel.com, kirill.shutemov@linux.intel.com, ying.huang@intel.com, reinette.chatre@intel.com, len.brown@intel.com, tony.luck@intel.com, ak@linux.intel.com, isaku.yamahata@intel.com, chao.gao@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, bagasdotme@gmail.com, sagis@google.com, imammedo@redhat.com References: <2436106b4de8df75ab304c43128fe5b174bb0bf4.1670566861.git.kai.huang@intel.com> From: Dave Hansen In-Reply-To: <2436106b4de8df75ab304c43128fe5b174bb0bf4.1670566861.git.kai.huang@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: F2BABA0012 X-Rspamd-Server: rspam01 X-Stat-Signature: zroews75suyukahxdeuzjy745a1krtnx X-HE-Tag: 1673031858-987590 X-HE-Meta: U2FsdGVkX1/6ZkIQ+ZkpbWsZXGRW00pElRW2aUrG/blljKYiPf3M8kBD/WTJykvc7mYnT5lO+pgliJJPErsA5QOLLc1rkogIThDwqYYh0xgEffdWPl8AGt+REwNtaDSqJqUsXNLagmtO2x6P9QiY5VqgTVDkkdVPL3JX5ZInn9D0MIhxoIggsodQdd6ENIuuRluuyR02JSxncTJnVXdgNlrsx8A+UPmdKYKgZ80DXqgepah1jpU1+rPhkM/mPXbnL7QAZvQEYzC4Uow50jaIDVJx+8PDOB8NyPrBkLkGZs2atr0h3DA7cMBCZUhgvmBmF9vk19hku97/Dthw+U8uhg5/qner0YgkUKFtFb0MIxN1gPj1YuRZVZQcq+WNOhbVnyHO/dzPPL+TXvtIPTTM5zR6MI24W8D538arCor5fyzoLk6THr5nOcHf6KYd89bMh2F+dVyu57fdPIvkeOfxUKAQEle4PGVj++KIBxp3asHYP+1vogp06hleDKIaDOusXbZ6iBEPr7pxWjZVzZcz0hG8LDdFIQtYhlUVwKpHXDzC/Gpqt7ZyfVX88YNdhAURumhBJdo57XkR7+mWi4recXdqi971ZDeB4eI74RbzPmTM8UF6l8h8lcvR+vFahj+PjdY4DS+tKy7OlihKlHp+ItKXvQ7dAbhoeE3py6tAULIde8+2xPIvLuRkO0zT7MWatteewFiZQMHK8/2E9v+GeoWAse5P1SAuNTuiz5iVtw4pAbTdCwbIbQXmu3wm9y2Ln0gROZcOIYAzLDZL26nKkpe3v6dWOsGRjXXuz9KHA035lNUDz39tVw3wM6p98X6Ktiy+f6xWGUgb3fzCVgJ/TMgdXKbH3eaHyd78HrIpuDY= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 12/8/22 22:52, Kai Huang wrote: > TDX supports 4K, 2M and 1G page sizes. The corresponding values are > defined by the TDX module spec and used as TDX module ABI. Currently, > they are used in try_accept_one() when the TDX guest tries to accept a > page. However currently try_accept_one() uses hard-coded magic values. > > Define TDX supported page sizes as macros and get rid of the hard-coded > values in try_accept_one(). TDX host support will need to use them too. > > Reviewed-by: Kirill A. Shutemov > Signed-off-by: Kai Huang Reviewed-by: Dave Hansen