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x86/vdso: Run objtool on vdso32-setup.o

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vdso32-setup.c is part of the main kernel image and should not be
excluded from objtool.  Objtool is necessary in part for ensuring that
returns in this file are correctly patched to the appropriate return
thunk at runtime.

Signed-off-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231010171020.462211-3-david.kaplan@amd.com
This commit is contained in:
David Kaplan 2023-10-10 12:10:19 -05:00 committed by Borislav Petkov (AMD)
parent 34de4fe7d1
commit b587fef124
1 changed files with 2 additions and 1 deletions
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arch/x86/entry/vdso/Makefile
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@ -43,6 +43,7 @@ vdso_img-$(VDSOX32-y) += x32
vdso_img-$(VDSO32-y) += 32
obj-$(VDSO32-y) += vdso32-setup.o
OBJECT_FILES_NON_STANDARD_vdso32-setup.o := n
vobjs := $(foreach F,$(vobjs-y),$(obj)/$F)
vobjs32 := $(foreach F,$(vobjs32-y),$(obj)/$F)