[tip: objtool/core] x86: Always inline context_tracking_guest_enter()

tip-bot2 for Peter Zijlstra
2021-09-15T15:50:09Z

The following commit has been merged into the objtool/core branch of tip:

Commit-ID: e25b694bf1d9ef4a3f36c0b85348f8e780f22139
Gitweb: https://git.kernel.org/tip/e25b694bf1d9ef4a3f36c0b85348f8e780f22139
Author: Peter Zijlstra <peterz@infradead.org>
AuthorDate: Thu, 24 Jun 2021 11:41:05 +02:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Wed, 15 Sep 2021 15:51:46 +02:00

x86: Always inline context_tracking_guest_enter()

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>
Link: https://lore.kernel.org/r/20210624095148.003928226@infradead.org
---
include/linux/context_tracking.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 4d7fced..7a14807 100644
--- 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 */