crypto: ccp: Skip SEV and SNP INIT for kdump boot

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[ Upstream commit 8c571019d8 ]

Since SEV or SNP may already be initialized in the previous kernel,
attempting to initialize them again in the kdump kernel can result
in SNP initialization failures, which in turn lead to IOMMU
initialization failures. Moreover, SNP/SEV guests are not run under a
kdump kernel, so there is no need to initialize SEV or SNP during
kdump boot.

Skip SNP and SEV INIT if doing kdump boot.

Tested-by: Sairaj Kodilkar <sarunkod@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Link: https://lore.kernel.org/r/d884eff5f6180d8b8c6698a6168988118cf9cba1.1756157913.git.ashish.kalra@amd.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Ashish Kalra 2025-08-25 21:46:38 +00:00 • committed by Greg Kroah-Hartman

parent 3344716dde

commit 1eefe9a9ce

1 changed files with 10 additions and 0 deletions

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drivers/crypto/ccp/sev-dev.c

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