From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 65561] KVM:Entry failed on Single stepping sti instruction
Date: Tue, 20 May 2014 11:03:53 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=65561
Paolo Bonzini changed:
What |Removed |Added
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CC| |bonzini@gnu.org
--- Comment #3 from Paolo Bonzini ---
> 2. Also is there anything special about `out` instruction that causes
> interrupts to come at instruction immediately next to it, when not running in
> single stepping mode.
The "out" instruction exits to QEMU and has a much higher latency than an
bare-metal. This, plus the usage of mutexes in QEMU, may make it more likely
that interrupts occur right after an "out" instruction.
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