linux-kernel - [patch 11/15] x86/ioapic: Move replace_pin_at_irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240802155440.906636514@linutronix.de>
Date: Fri,  2 Aug 2024 18:15:47 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: x86@...nel.org
Subject: [patch 11/15] x86/ioapic: Move replace_pin_at_irq_node() to the call
 site

It's only used by check_timer().

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/apic/io_apic.c |   40 ++++++++++++++++++----------------------
 1 file changed, 18 insertions(+), 22 deletions(-)

--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -370,28 +370,6 @@ static void __remove_pin_from_irq(struct
 		}
 }
 
-/*
- * Reroute an IRQ to a different pin.
- */
-static void __init replace_pin_at_irq_node(struct mp_chip_data *data, int node,
-					   int oldapic, int oldpin,
-					   int newapic, int newpin)
-{
-	struct irq_pin_list *entry;
-
-	for_each_irq_pin(entry, data->irq_2_pin) {
-		if (entry->apic == oldapic && entry->pin == oldpin) {
-			entry->apic = newapic;
-			entry->pin = newpin;
-			/* every one is different, right? */
-			return;
-		}
-	}
-
-	/* old apic/pin didn't exist, so just add new ones */
-	add_pin_to_irq_node(data, node, newapic, newpin);
-}
-
 static void io_apic_modify_irq(struct mp_chip_data *data, bool masked,
 			       void (*final)(struct irq_pin_list *entry))
 {
@@ -2069,6 +2047,24 @@ static int __init mp_alloc_timer_irq(int
 	return irq;
 }
 
+static void __init replace_pin_at_irq_node(struct mp_chip_data *data, int node,
+					   int oldapic, int oldpin,
+					   int newapic, int newpin)
+{
+	struct irq_pin_list *entry;
+
+	for_each_irq_pin(entry, data->irq_2_pin) {
+		if (entry->apic == oldapic && entry->pin == oldpin) {
+			entry->apic = newapic;
+			entry->pin = newpin;
+			return;
+		}
+	}
+
+	/* Old apic/pin didn't exist, so just add a new one */
+	add_pin_to_irq_node(data, node, newapic, newpin);
+}
+
 /*
  * This code may look a bit paranoid, but it's supposed to cooperate with
  * a wide range of boards and BIOS bugs.  Fortunately only the timer IRQ