[tip: x86/cleanups] x86/apic: Remove "disablelapic" cmdline option

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The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     13148e22c151e871c1c00bab519f39cc6f6ea37a
Gitweb:        https://git.kernel.org/tip/13148e22c151e871c1c00bab519f39cc6f6ea37a
Author:        Borislav Petkov (AMD) <bp@xxxxxxxxx>
AuthorDate:    Mon, 02 Dec 2024 20:00:11 +01:00
Committer:     Borislav Petkov (AMD) <bp@xxxxxxxxx>
CommitterDate: Tue, 10 Dec 2024 18:55:08 +01:00

x86/apic: Remove "disablelapic" cmdline option

The convention is "no<something>" and there already is "nolapic". Drop
the disable one.

Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Reviewed-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>
Link: https://lore.kernel.org/r/20241202190011.11979-2-bp@xxxxxxxxxx
---
 arch/x86/kernel/apic/apic.c    |  9 +--------
 arch/x86/kernel/cpu/topology.c |  2 +-
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index c5fb28e..1267b26 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2582,19 +2582,12 @@ int apic_is_clustered_box(void)
 /*
  * APIC command line parameters
  */
-static int __init setup_disableapic(char *arg)
+static int __init setup_nolapic(char *arg)
 {
 	apic_is_disabled = true;
 	setup_clear_cpu_cap(X86_FEATURE_APIC);
 	return 0;
 }
-early_param("disableapic", setup_disableapic);
-
-/* same as disableapic, for compatibility */
-static int __init setup_nolapic(char *arg)
-{
-	return setup_disableapic(arg);
-}
 early_param("nolapic", setup_nolapic);
 
 static int __init parse_lapic_timer_c2_ok(char *arg)
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index 621a151..6ebed85 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -428,7 +428,7 @@ void __init topology_apply_cmdline_limits_early(void)
 {
 	unsigned int possible = nr_cpu_ids;
 
-	/* 'maxcpus=0' 'nosmp' 'nolapic' 'disableapic' 'noapic' */
+	/* 'maxcpus=0' 'nosmp' 'nolapic' 'noapic' */
 	if (!setup_max_cpus || ioapic_is_disabled || apic_is_disabled)
 		possible = 1;
 




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