linux-kernel - [tip: objtool/core] x86/kvm: Always inline evmcs

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Date:   Wed, 15 Sep 2021 15:49:29 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: objtool/core] x86/kvm: Always inline evmcs_write64()

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

Commit-ID:     010050a86393703f43859a4704d2193be49126d6
Gitweb:        https://git.kernel.org/tip/010050a86393703f43859a4704d2193be49126d6
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Thu, 24 Jun 2021 11:41:07 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Wed, 15 Sep 2021 15:51:46 +02:00

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>
Link: https://lore.kernel.org/r/20210624095148.126956644@infradead.org
---
 arch/x86/kvm/vmx/evmcs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h
index 152ab0a..16731d2 100644
--- a/arch/x86/kvm/vmx/evmcs.h
+++ b/arch/x86/kvm/vmx/evmcs.h
@@ -93,7 +93,7 @@ static __always_inline int get_evmcs_offset(unsigned long field,
 	return evmcs_field->offset;
 }
 
-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);
@@ -183,7 +183,7 @@ static inline void evmcs_load(u64 phys_addr)
 
 __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; }