linux-kernel - Re: [PATCH v4 1/3] x86/sgx: Split SGX_ENCL_PAGE_BEING

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Message-Id: <D2RQYS2CVEWL.3IU1P67NT0D5Y@kernel.org>
Date: Wed, 17 Jul 2024 13:37:39 +0300
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Dmitrii Kuvaiskii" <dmitrii.kuvaiskii@...el.com>,
 <dave.hansen@...ux.intel.com>, <kai.huang@...el.com>,
 <haitao.huang@...ux.intel.com>, <reinette.chatre@...el.com>,
 <linux-sgx@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Cc: <mona.vij@...el.com>, <kailun.qin@...el.com>, <stable@...r.kernel.org>
Subject: Re: [PATCH v4 1/3] x86/sgx: Split SGX_ENCL_PAGE_BEING_RECLAIMED
 into two flags

On Fri Jul 5, 2024 at 10:45 AM EEST, Dmitrii Kuvaiskii wrote:
> +/*
> + * 'desc' bit indicating that PCMD page associated with the enclave page is
> + * busy (e.g. because the enclave page is being reclaimed).
> + */
> +#define SGX_ENCL_PAGE_PCMD_BUSY	BIT(3)

What are other situations when this flag is set than being
reclaimed? The comment says that it is only one use for this
flag.

BR, Jarkko