linux-kernel - [PATCH] KVM: remove unused guest

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Message-Id: <1578626036-118506-1-git-send-email-alex.shi@linux.alibaba.com>
Date:   Fri, 10 Jan 2020 11:13:56 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] KVM: remove unused guest_enter/exit

After commit 6edaa5307f3f ("KVM: remove kvm_guest_enter/exit wrappers")
no one uses guest_enter/exit anymore.

So better to remove them to simplify code and reduced a bit of object
size.

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...nel.org> 
Cc: Frederic Weisbecker <frederic@...nel.org> 
Cc: linux-kernel@...r.kernel.org 
---
 include/linux/context_tracking.h | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 64ec82851aa3..238ada39ac2e 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -153,23 +153,4 @@ static inline void guest_exit_irqoff(void)
 	current->flags &= ~PF_VCPU;
 }
 #endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */
-
-static inline void guest_enter(void)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	guest_enter_irqoff();
-	local_irq_restore(flags);
-}
-
-static inline void guest_exit(void)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	guest_exit_irqoff();
-	local_irq_restore(flags);
-}
-
 #endif
-- 
1.8.3.1