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FROMLIST: arm64: disable SCS for hypervisor code

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Filter out CC_FLAGS_SCS for code that runs at a different exception
level.

Bug: 145210207
Change-Id: I834424fba7aa18598b618891814327ecc2841c6e
(am from https://lore.kernel.org/patchwork/patch/1149062/)
Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Sami Tolvanen
2019-08-16 13:09:54 -07:00
committed by Alistair Delva
parent 8662f567f7
commit 4756bebcd2
1 changed files with 3 additions and 0 deletions
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3
arch/arm64/kvm/hyp/Makefile
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@@ -28,3 +28,6 @@ GCOV_PROFILE := n
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
KCOV_INSTRUMENT := n
# remove the SCS flags from all objects in this directory
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))