From: Scott Wood <scottwood@freescale.com>
To: Scott Wood <scottwood@freescale.com>
Cc: Mihai Caraman <mihai.caraman@freescale.com>,
linuxppc-dev@lists.ozlabs.org, Alexander Graf <agraf@suse.de>,
kvm-ppc@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] kvm/ppc/booke64: Hard disable interrupts when entering the guest
Date: Fri, 3 May 2013 18:53:47 -0500 [thread overview]
Message-ID: <1367625227.19391.16@snotra> (raw)
In-Reply-To: <1367624723-22456-1-git-send-email-scottwood@freescale.com> (from scottwood@freescale.com on Fri May 3 18:45:23 2013)
On 05/03/2013 06:45:23 PM, Scott Wood wrote:
> While we could just set PACA_IRQ_HARD_DIS after an exit to compensate,
> instead hard-disable interrupts before entering the guest. This way,
> we won't have to worry about interactions if we take an interrupt
> during the guest entry code. While I don't see any obvious
> interactions, it could change in the future (e.g. it would be bad if
> the non-hv code were used on 64-bit or if 32-bit guest lazy interrupt
> disabling, since the non-hv code changes IVPR among other things).
s/32-bit guest lazy/32-bit gets lazy/
-Scott=
next prev parent reply other threads:[~2013-05-03 23:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-03 23:45 [PATCH] kvm/ppc/booke64: Hard disable interrupts when entering the guest Scott Wood
2013-05-03 23:53 ` Scott Wood [this message]
2013-05-04 7:11 ` Caraman Mihai Claudiu-B02008
2013-05-05 21:03 ` Benjamin Herrenschmidt
2013-05-06 23:53 ` Scott Wood
2013-05-07 0:03 ` Benjamin Herrenschmidt
2013-05-07 3:05 ` Scott Wood
2013-05-07 3:53 ` Benjamin Herrenschmidt
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