linux-kernel - [PATCH] virt: sev-guest: fix kconfig warnings

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Date:   Sun, 28 Aug 2022 12:52:34 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>, stable@...r.kernel.org,
        Brijesh Singh <brijesh.singh@....com>,
        Paul Gazzillo <paul@...zz.com>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        Borislav Petkov <bp@...e.de>,
        Tom Lendacky <thomas.lendacky@....com>,
        linux-crypto@...r.kernel.org
Subject: [PATCH] virt: sev-guest: fix kconfig warnings

Fix the SEV_GUEST Kconfig block to eliminate kconfig unmet
dependency warnings:

WARNING: unmet direct dependencies detected for CRYPTO_GCM
  Depends on [n]: CRYPTO [=n]
  Selected by [y]:
  - SEV_GUEST [=y] && VIRT_DRIVERS [=y] && AMD_MEM_ENCRYPT [=y]

WARNING: unmet direct dependencies detected for CRYPTO_AEAD2
  Depends on [n]: CRYPTO [=n]
  Selected by [y]:
  - SEV_GUEST [=y] && VIRT_DRIVERS [=y] && AMD_MEM_ENCRYPT [=y]

Fixes: fce96cf04430 ("virt: Add SEV-SNP guest driver")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: stable@...r.kernel.org
Cc: Brijesh Singh <brijesh.singh@....com>
Cc: Paul Gazzillo <paul@...zz.com>
Cc: Necip Fazil Yildiran <fazilyildiran@...il.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: Tom Lendacky <thomas.lendacky@....com>
Cc: linux-crypto@...r.kernel.org
---
 drivers/virt/coco/sev-guest/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/virt/coco/sev-guest/Kconfig
+++ b/drivers/virt/coco/sev-guest/Kconfig
@@ -2,6 +2,7 @@ config SEV_GUEST
 	tristate "AMD SEV Guest driver"
 	default m
 	depends on AMD_MEM_ENCRYPT
+	select CRYPTO
 	select CRYPTO_AEAD2
 	select CRYPTO_GCM
 	help