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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:45 +0000 |
| commit | 41fb2ba1cd2e84f28cd9f5b91d670fef7d982409 (patch) | |
| tree | 3518db389445fe1c1e74d64e3598ed34c6e2c59a /arch/x86/kernel/apic/apic.c | |
| parent | Releasing progress-linux version 4.19.282-1progress5u1. (diff) | |
| download | linux-41fb2ba1cd2e84f28cd9f5b91d670fef7d982409.tar.xz linux-41fb2ba1cd2e84f28cd9f5b91d670fef7d982409.zip | |
Merging upstream version 4.19.289.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 926939978..9318fe7d8 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -403,10 +403,9 @@ static unsigned int reserve_eilvt_offset(int offset, unsigned int new) if (vector && !eilvt_entry_is_changeable(vector, new)) /* may not change if vectors are different */ return rsvd; - rsvd = atomic_cmpxchg(&eilvt_offsets[offset], rsvd, new); - } while (rsvd != new); + } while (!atomic_try_cmpxchg(&eilvt_offsets[offset], &rsvd, new)); - rsvd &= ~APIC_EILVT_MASKED; + rsvd = new & ~APIC_EILVT_MASKED; if (rsvd && rsvd != vector) pr_info("LVT offset %d assigned for vector 0x%02x\n", offset, rsvd); |