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From: "tip-bot2 for Dave Hansen" <tip-bot2@linutronix.de>
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To: linux-tip-commits@vger.kernel.org
Subject: [tip: x86/tdx] x86/virt/tdx: Disable TDX host support when kexec is
enabled
Cc: Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
linux-kernel@vger.kernel.org
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[tip:,x86/tdx] x86/virt/tdx: Disable TDX host support when kexec is enabled
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Commit Message
tip-bot2 for Thomas Gleixner
Dec. 8, 2023, 7:01 p.m. UTC
The following commit has been merged into the x86/tdx branch of tip:
Commit-ID: 1363d55c108dfb6280f55a7f5b149017879fe23b
Gitweb: https://git.kernel.org/tip/1363d55c108dfb6280f55a7f5b149017879fe23b
Author: Dave Hansen <dave.hansen@linux.intel.com>
AuthorDate: Fri, 08 Dec 2023 09:07:40 -08:00
Committer: Dave Hansen <dave.hansen@linux.intel.com>
CommitterDate: Fri, 08 Dec 2023 10:17:32 -08:00
x86/virt/tdx: Disable TDX host support when kexec is enabled
TDX host support currently lacks the ability to handle kexec. Disable TDX
when kexec is enabled.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20231208170740.53979-20-dave.hansen%40intel.com
---
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e255d8a..01cdb16 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1973,6 +1973,7 @@ config INTEL_TDX_HOST depends on X86_X2APIC select ARCH_KEEP_MEMBLOCK depends on CONTIG_ALLOC + depends on !KEXEC_CORE help Intel Trust Domain Extensions (TDX) protects guest VMs from malicious host and certain physical attacks. This option enables necessary TDX