linux-kernel - [PATCH v2 08/24] x86/kvm: Always inline evmcs

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Date:   Thu, 24 Jun 2021 11:41:07 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     jpoimboe@...hat.com, tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        joro@...tes.org, boris.ostrovsky@...cle.com, jgross@...e.com,
        x86@...nel.org, mbenes@...e.com, rostedt@...dmis.org,
        dvyukov@...gle.com, elver@...gle.com
Subject: [PATCH v2 08/24] x86/kvm: Always inline evmcs_write64()

vmlinux.o: warning: objtool: vmx_update_host_rsp()+0x64: call to evmcs_write64() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 arch/x86/kvm/vmx/evmcs.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/kvm/vmx/evmcs.h
+++ b/arch/x86/kvm/vmx/evmcs.h
@@ -97,7 +97,7 @@ static __always_inline int get_evmcs_off
 
 #undef ROL16
 
-static inline void evmcs_write64(unsigned long field, u64 value)
+static __always_inline void evmcs_write64(unsigned long field, u64 value)
 {
 	u16 clean_field;
 	int offset = get_evmcs_offset(field, &clean_field);
@@ -187,7 +187,7 @@ static inline void evmcs_load(u64 phys_a
 
 __init void evmcs_sanitize_exec_ctrls(struct vmcs_config *vmcs_conf);
 #else /* !IS_ENABLED(CONFIG_HYPERV) */
-static inline void evmcs_write64(unsigned long field, u64 value) {}
+static __always_inline void evmcs_write64(unsigned long field, u64 value) {}
 static inline void evmcs_write32(unsigned long field, u32 value) {}
 static inline void evmcs_write16(unsigned long field, u16 value) {}
 static inline u64 evmcs_read64(unsigned long field) { return 0; }