xen/events: Reduce irq_info:: Spurious_cnt storage size

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To prepare for interrupt spreading reduce the storage size of
irq_info::spurious_cnt to u8 so the required flag for the spreading logic
will not increase the storage size.

Protect the usage site against overruns.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Link: https://lore.kernel.org/r/20201210194045.360198201@linutronix.de

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Thomas Gleixner 2020-12-10 20:26:04 +01:00

parent f7a6f994b4

commit 62ebcda8a8

1 changed files with 5 additions and 3 deletions

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drivers/xen/events/events_base.c

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