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(parent: b0976d5) | patch
x86/vioapic: top word redir entry writes don't trigger interrupts
authorRoger Pau Monné <roger.pau@citrix.com>
Thu, 1 Apr 2021 14:41:48 +0000 (16:41 +0200)
committerJan Beulich <jbeulich@suse.com>
Thu, 1 Apr 2021 14:41:48 +0000 (16:41 +0200)
commit6f59dc12962be61ef84774d0630bdb7c1050851f
treee45bd9df850532bc6eed009d18bf2af65a39d2dftree | snapshot
parentb0976d5c0441378b6348f5bfedbf431055bd0147commit | diff
x86/vioapic: top word redir entry writes don't trigger interrupts

Top word writes just update the destination of the interrupt, but
since there's no change on the masking or the triggering mode no
guest interrupt injection can result of such write. Add an assert to
that effect.

Requested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
xen/arch/x86/hvm/vioapic.c diff | blob | history
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