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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: linux-kernel@vger.kernel.org
Cc: Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H . Peter Anvin " <hpa@zytor.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PATCH 2/2] x86/entry: Remove `regs' parameter from idtentry_exit_cond_resched()
Date: Tue, 30 Jun 2020 12:22:09 +0200	[thread overview]
Message-ID: <20200630102209.1143072-3-bigeasy@linutronix.de> (raw)
In-Reply-To: <20200630102209.1143072-1-bigeasy@linutronix.de>

The `regs' parameter is not used in idtentry_exit_cond_resched() and can
be removed.

Remove the `regs' parameter.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 arch/x86/entry/common.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 212382f61b8e4..652dce37643b4 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -610,7 +610,7 @@ bool noinstr idtentry_enter_cond_rcu(struct pt_regs *regs)
 	return false;
 }
 
-static void idtentry_exit_cond_resched(struct pt_regs *regs, bool may_sched)
+static void idtentry_exit_cond_resched(bool may_sched)
 {
 	if (may_sched && should_resched(0)) {
 		/* Sanity check RCU and thread stack */
@@ -664,7 +664,7 @@ void noinstr idtentry_exit_cond_rcu(struct pt_regs *regs, bool rcu_exit)
 		}
 
 		instrumentation_begin();
-		idtentry_exit_cond_resched(regs, IS_ENABLED(CONFIG_PREEMPTION));
+		idtentry_exit_cond_resched(IS_ENABLED(CONFIG_PREEMPTION));
 		instrumentation_end();
 	} else {
 		/*
@@ -770,7 +770,7 @@ __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
 	inhcall = get_and_clear_inhcall();
 	if (inhcall && !WARN_ON_ONCE(rcu_exit)) {
 		instrumentation_begin();
-		idtentry_exit_cond_resched(regs, true);
+		idtentry_exit_cond_resched(true);
 		instrumentation_end();
 		restore_inhcall(inhcall);
 	} else {
-- 
2.27.0


  parent reply	other threads:[~2020-06-30 10:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-30 10:22 [PATCH 0/2] x86/entry: Tiny idtentry_exit_cond_resched() cleanup Sebastian Andrzej Siewior
2020-06-30 10:22 ` [PATCH 1/2] x86/entry: Use should_resched() in idtentry_exit_cond_resched() Sebastian Andrzej Siewior
2020-06-30 11:10   ` Peter Zijlstra
2020-06-30 12:00     ` Sebastian Andrzej Siewior
2020-07-01  8:35       ` [PATCH v2] " Sebastian Andrzej Siewior
2020-06-30 10:22 ` Sebastian Andrzej Siewior [this message]
2020-06-30 11:14   ` [PATCH 2/2] x86/entry: Remove `regs' parameter from idtentry_exit_cond_resched() Peter Zijlstra
2020-06-30 12:09     ` Sebastian Andrzej Siewior

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