linux-kernel - [PATCH v5 02/20] x86: apic: Move apic_update_irq_cfg() calls to apic_update

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Message-ID: <20250429061004.205839-3-Neeraj.Upadhyay@amd.com>
Date: Tue, 29 Apr 2025 11:39:46 +0530
From: Neeraj Upadhyay <Neeraj.Upadhyay@....com>
To: <linux-kernel@...r.kernel.org>
CC: <bp@...en8.de>, <tglx@...utronix.de>, <mingo@...hat.com>,
	<dave.hansen@...ux.intel.com>, <Thomas.Lendacky@....com>, <nikunj@....com>,
	<Santosh.Shukla@....com>, <Vasant.Hegde@....com>,
	<Suravee.Suthikulpanit@....com>, <David.Kaplan@....com>, <x86@...nel.org>,
	<hpa@...or.com>, <peterz@...radead.org>, <seanjc@...gle.com>,
	<pbonzini@...hat.com>, <kvm@...r.kernel.org>,
	<kirill.shutemov@...ux.intel.com>, <huibo.wang@....com>,
	<naveen.rao@....com>, <francescolavra.fl@...il.com>
Subject: [PATCH v5 02/20] x86: apic: Move apic_update_irq_cfg() calls to apic_update_vector()

All callers of apic_update_vector() also call apic_update_irq_cfg()
after it. So, simplify code by moving all such apic_update_irq_cfg()
calls to apic_update_vector().

No functional change intended.

Signed-off-by: Neeraj Upadhyay <Neeraj.Upadhyay@....com>
---
Changes since v4:
 - New patch.

 arch/x86/kernel/apic/vector.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index fee42a73d64a..155253af3deb 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -183,6 +183,7 @@ static void apic_update_vector(struct irq_data *irqd, unsigned int newvec,
 	apicd->cpu = newcpu;
 	BUG_ON(!IS_ERR_OR_NULL(per_cpu(vector_irq, newcpu)[newvec]));
 	per_cpu(vector_irq, newcpu)[newvec] = desc;
+	apic_update_irq_cfg(irqd, newvec, newcpu);
 }
 
 static void vector_assign_managed_shutdown(struct irq_data *irqd)
@@ -261,7 +262,6 @@ assign_vector_locked(struct irq_data *irqd, const struct cpumask *dest)
 	if (vector < 0)
 		return vector;
 	apic_update_vector(irqd, vector, cpu);
-	apic_update_irq_cfg(irqd, vector, cpu);
 
 	return 0;
 }
@@ -338,7 +338,7 @@ assign_managed_vector(struct irq_data *irqd, const struct cpumask *dest)
 	if (vector < 0)
 		return vector;
 	apic_update_vector(irqd, vector, cpu);
-	apic_update_irq_cfg(irqd, vector, cpu);
+
 	return 0;
 }
 
-- 
2.34.1