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Most of the SEV support code used to reside in a single C source file that was included in two places: the core kernel, and the decompressor. The code that is actually shared with the decompressor was moved into a separate, shared source file under startup/, on the basis that the decompressor also executes from the early 1:1 mapping of memory. However, while the elaborate #VC handling and instruction decoding that it involves is also performed by the decompressor, it does not actually occur in the core kernel at early boot, and therefore, does not need to be part of the confined early startup code. So split off the #VC handling code and move it back into arch/x86/coco where it came from, into another C source file that is included from both the decompressor and the core kernel. Code movement only - no functional change intended. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Woodhouse <dwmw@amazon.co.uk> Cc: Dionna Amalie Glaze <dionnaglaze@google.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Kees Cook <keescook@chromium.org> Cc: Kevin Loughlin <kevinloughlin@google.com> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: linux-efi@vger.kernel.org Link: https://lore.kernel.org/r/20250504095230.2932860-31-ardb+git@google.com
10 lines
277 B
Makefile
10 lines
277 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-y += core.o sev-nmi.o vc-handle.o
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# Clang 14 and older may fail to respect __no_sanitize_undefined when inlining
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UBSAN_SANITIZE_sev-nmi.o := n
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# GCC may fail to respect __no_sanitize_address when inlining
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KASAN_SANITIZE_sev-nmi.o := n
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