From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jan Kiszka <jan.kiszka@siemens.com>
Subject: LAPIC soft-disable vs. LVT masking
Date: Mon, 20 Oct 2008 10:49:11 +0200
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Cc: kvm-devel <kvm@vger.kernel.org>
To: "Yang, Sheng" <sheng.yang@intel.com>
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Hi Sheng,

obviously, I meditated too long over the APIC specs and VAPIC code of
KVM: When the guest resets the soft-enable bit in SVR, the in-kernel
APIC implementation also set the LVT masked bits - so far, so fine
(according to specs). But I failed to read out of that doc if those mask
bits are permanently set (until the guest clears them again) or only
until the soft-disabling ends (ie. they are restored to their previous
state - QEMU goes this way). Can you clarify?

Thanks,
Jan

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Siemens AG, Corporate Technology, CT SE 2
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