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Message-ID: <20210824084527.GA29844@lst.de>
Date:   Tue, 24 Aug 2021 10:45:27 +0200
From:   Christoph Hellwig <hch@....de>
To:     Tianyu Lan <ltykernel@...il.com>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        wei.liu@...nel.org, decui@...rosoft.com, tglx@...utronix.de,
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        thomas.lendacky@....com, brijesh.singh@....com, ardb@...nel.org,
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Subject: Re: [PATCH V3 05/13] HV: Add Write/Read MSR registers via ghcb page

This patch fails to compile when CONFIG_AMD_MEM_ENCRYPT is not enabled,
in which case there is sev_es_ghcb_hv_call_simple is not defined.

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