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Message-ID: <169159976830.27769.1143180202055854109.tip-bot2@tip-bot2>
Date: Wed, 09 Aug 2023 16:49:28 -0000
From: "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: x86/apic] x86/apic/64: Uncopypaste probing
The following commit has been merged into the x86/apic branch of tip:
Commit-ID: 169a37eb5403f7fcbc1d317c5995faa9eac4a9c6
Gitweb: https://git.kernel.org/tip/169a37eb5403f7fcbc1d317c5995faa9eac4a9c6
Author: Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Tue, 08 Aug 2023 15:04:08 -07:00
Committer: Dave Hansen <dave.hansen@...ux.intel.com>
CommitterDate: Wed, 09 Aug 2023 08:10:12 -07:00
x86/apic/64: Uncopypaste probing
No need for the same thing twice. Also prepares for simplifying the APIC ID
validation checks.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
arch/x86/kernel/apic/probe_64.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c
index 7c9f1a8..a82bb52 100644
--- a/arch/x86/kernel/apic/probe_64.c
+++ b/arch/x86/kernel/apic/probe_64.c
@@ -13,6 +13,15 @@
#include "local.h"
+static __init void apic_install_driver(struct apic *driver)
+{
+ if (apic == driver)
+ return;
+
+ apic = driver;
+ pr_info("Switched APIC routing to %s:\n", apic->name);
+}
+
/* Select the appropriate APIC driver */
void __init x86_64_probe_apic(void)
{
@@ -22,11 +31,7 @@ void __init x86_64_probe_apic(void)
for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) {
if ((*drv)->probe && (*drv)->probe()) {
- if (apic != *drv) {
- apic = *drv;
- pr_info("Switched APIC routing to %s.\n",
- apic->name);
- }
+ apic_install_driver(*drv);
break;
}
}
@@ -38,11 +43,7 @@ int __init default_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) {
if ((*drv)->acpi_madt_oem_check(oem_id, oem_table_id)) {
- if (apic != *drv) {
- apic = *drv;
- pr_info("Setting APIC routing to %s.\n",
- apic->name);
- }
+ apic_install_driver(*drv);
return 1;
}
}
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