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

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Message-Id: <1579145559-168038-1-git-send-email-alex.shi@linux.alibaba.com>
Date:   Thu, 16 Jan 2020 11:32:39 +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

After commit 61bd0f66ff92 ("KVM: PPC: Book3S HV: Fix guest time accounting
with VIRT_CPU_ACCOUNTING_GEN"), no one use this function anymore, So better
to remove it.

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 | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 64ec82851aa3..8150f5ac176c 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -154,15 +154,6 @@ static inline void guest_exit_irqoff(void)
 }
 #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;
-- 
1.8.3.1