x86/irq: Unionize PID.PIR for 64bit access w/o casting

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Make the PIR field into u64 such that atomic xchg64 can be used without
ugly casting.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240423174114.526704-3-jacob.jun.pan@linux.intel.com

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Jacob Pan 2024-04-23 10:41:04 -07:00 • committed by Thomas Gleixner

parent 699f67512f

commit 4ec8fd0371

1 changed files with 4 additions and 1 deletions

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arch/x86/include/asm/posted_intr.h

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