Commit 05dbaf8d authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'x86-urgent-2025-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull x86 fix from Ingo Molnar:
 "Fix a potential early boot crash in SEV-SNP guests, where certain
  config and build environment combinations can generate absolute
  references to symbols in the early boot code"

* tag 'x86-urgent-2025-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sev: Disable jump tables in SEV startup code
parents b88fe2b5 1105ab42

arch/x86/coco/sev/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -2,6 +2,10 @@ 


obj-y += core.o



# jump tables are emitted using absolute references in non-PIC code

# so they cannot be used in the early SEV startup code

CFLAGS_core.o += -fno-jump-tables



ifdef CONFIG_FUNCTION_TRACER

CFLAGS_REMOVE_core.o = -pg

endif