From 2ac9e529d76a8534fa357e723942dd3f076c37da Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 13 Feb 2024 22:04:55 +0100
Subject: [PATCH] x86/ioapic: Replace some more set bit nonsense

Yet another set_bit() operation wrapped in oring a mask.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20240212154638.995080989@linutronix.de
---
 arch/x86/include/asm/mpspec.h  | 3 ---
 arch/x86/kernel/apic/io_apic.c | 6 ++----
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 4b0f98a8d338d..9bf1e75c1defe 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -86,9 +86,6 @@ typedef struct physid_mask physid_mask_t;
 #define physid_set(physid, map)			set_bit(physid, (map).mask)
 #define physid_isset(physid, map)		test_bit(physid, (map).mask)
 
-#define physids_or(dst, src1, src2)					\
-	bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
-
 #define physids_clear(map)					\
 	bitmap_zero((map).mask, MAX_LOCAL_APIC)
 
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index e71745e7a0c52..b62c7ee0e6c58 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2494,9 +2494,8 @@ unsigned int arch_dynirq_lower_bound(unsigned int from)
 #ifdef CONFIG_X86_32
 static int io_apic_get_unique_id(int ioapic, int apic_id)
 {
-	union IO_APIC_reg_00 reg_00;
 	static physid_mask_t apic_id_map = PHYSID_MASK_NONE;
-	physid_mask_t tmp;
+	union IO_APIC_reg_00 reg_00;
 	unsigned long flags;
 	int i = 0;
 
@@ -2542,8 +2541,7 @@ static int io_apic_get_unique_id(int ioapic, int apic_id)
 		apic_id = i;
 	}
 
-	physid_set_mask_of_physid(apic_id, &tmp);
-	physids_or(apic_id_map, apic_id_map, tmp);
+	physid_set(apic_id, apic_id_map);
 
 	if (reg_00.bits.ID != apic_id) {
 		reg_00.bits.ID = apic_id;
-- 
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