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[v2,4/4] target/ppc: Prohibit target specific KVM prototypes on user emulation

Message ID 20231003070427.69621-5-philmd@linaro.org (mailing list archive)
State New, archived
Headers show
Series target/ppc: Prohibit target specific KVM prototypes on user emulation | expand

Commit Message

Philippe Mathieu-Daudé Oct. 3, 2023, 7:04 a.m. UTC 
None of these target-specific prototypes should be used
by user emulation. Remove their declaration there, so we
get a compile failure if ever used (instead of having to
deal with linker and its possible optimizations, such
dead code removal).

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
 target/ppc/kvm_ppc.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h
index 6a4dd9c560..1975fb5ee6 100644
--- a/target/ppc/kvm_ppc.h
+++ b/target/ppc/kvm_ppc.h
@@ -13,6 +13,10 @@ 
 #include "exec/hwaddr.h"
 #include "cpu.h"
 
+#ifdef CONFIG_USER_ONLY
+#error Cannot include kvm_ppc.h from user emulation
+#endif
+
 #ifdef CONFIG_KVM
 
 uint32_t kvmppc_get_tbfreq(void);