[PATCH v2 06/24] x86: Always inline context_tracking_guest_enter()

Peter Zijlstra
2021-06-24T09:54:56Z

Yes, it really did out-of-line this....

vmlinux.o: warning: objtool: vmx_vcpu_enter_exit()+0x31: call to context_tracking_guest_enter() leaves .noinstr.text section

000000000019f660 <context_tracking_guest_enter>:
19f660: e8 00 00 00 00 callq 19f665 <context_tracking_guest_enter+0x5> 19f661: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
19f665: 31 c0 xor %eax,%eax
19f667: c3 retq

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
include/linux/context_tracking.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -105,7 +105,7 @@ static inline void user_exit_irqoff(void
static inline enum ctx_state exception_enter(void) { return 0; }
static inline void exception_exit(enum ctx_state prev_ctx) { }
static inline enum ctx_state ct_state(void) { return CONTEXT_DISABLED; }
-static inline bool context_tracking_guest_enter(void) { return false; }
+static __always_inline bool context_tracking_guest_enter(void) { return false; }
static inline void context_tracking_guest_exit(void) { }

#endif /* !CONFIG_CONTEXT_TRACKING */