[patch 04/53] x86/ioapic: Replace some more set bit nonsense

Thomas Gleixner
2023-08-07T13:53:25Z

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/mpspec.h | 3 ---
arch/x86/kernel/apic/io_apic.c | 6 ++----
2 files changed, 2 insertions(+), 7 deletions(-)

--- 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)

--- 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(uns
#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 ioa
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;