From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: "tiejun.chen" <tiejun.chen@windriver.com>,
"<kvm-ppc@vger.kernel.org>" <kvm-ppc@vger.kernel.org>,
"<kvm@vger.kernel.org> list" <kvm@vger.kernel.org>
Subject: Re: [v1][PATCH 1/1] KVM: PPC: disable preemption when using hard_irq_disable()
Date: Thu, 11 Jul 2013 12:28:04 +0000 [thread overview]
Message-ID: <1373545684.19894.80.camel@pasglop> (raw)
In-Reply-To: <FDF2269A-AB8F-4568-A584-1EE4A957E266@suse.de>
On Thu, 2013-07-11 at 11:49 +0200, Alexander Graf wrote:
> Ben, is soft_enabled = 0; hard_enabled = 1 a valid combination that
> may ever occur?
Yes of course, that's what we call "soft disabled" :-) It's even the
whole point of doing lazy disable...
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: "tiejun.chen" <tiejun.chen@windriver.com>,
"<kvm-ppc@vger.kernel.org>" <kvm-ppc@vger.kernel.org>,
"<kvm@vger.kernel.org> list" <kvm@vger.kernel.org>
Subject: Re: [v1][PATCH 1/1] KVM: PPC: disable preemption when using hard_irq_disable()
Date: Thu, 11 Jul 2013 22:28:04 +1000 [thread overview]
Message-ID: <1373545684.19894.80.camel@pasglop> (raw)
In-Reply-To: <FDF2269A-AB8F-4568-A584-1EE4A957E266@suse.de>
On Thu, 2013-07-11 at 11:49 +0200, Alexander Graf wrote:
> Ben, is soft_enabled == 0; hard_enabled == 1 a valid combination that
> may ever occur?
Yes of course, that's what we call "soft disabled" :-) It's even the
whole point of doing lazy disable...
Ben.
next prev parent reply other threads:[~2013-07-11 12:28 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-10 6:02 [v1][PATCH 1/1] KVM: PPC: disable preemption when using hard_irq_disable() Tiejun Chen
2013-07-10 6:02 ` Tiejun Chen
2013-07-10 9:49 ` Alexander Graf
2013-07-10 9:49 ` Alexander Graf
2013-07-11 2:48 ` tiejun.chen
2013-07-11 2:48 ` tiejun.chen
2013-07-11 9:49 ` Alexander Graf
2013-07-11 9:49 ` Alexander Graf
2013-07-11 12:28 ` Benjamin Herrenschmidt [this message]
2013-07-11 12:28 ` Benjamin Herrenschmidt
2013-07-11 12:47 ` Alexander Graf
2013-07-11 12:47 ` Alexander Graf
2013-07-11 12:54 ` Benjamin Herrenschmidt
2013-07-11 12:54 ` Benjamin Herrenschmidt
2013-07-11 13:07 ` Alexander Graf
2013-07-11 13:07 ` Alexander Graf
2013-07-12 0:19 ` Benjamin Herrenschmidt
2013-07-12 0:19 ` Benjamin Herrenschmidt
2013-07-12 2:13 ` tiejun.chen
2013-07-12 2:13 ` tiejun.chen
2013-07-12 3:57 ` Benjamin Herrenschmidt
2013-07-12 3:57 ` Benjamin Herrenschmidt
2013-07-12 4:54 ` tiejun.chen
2013-07-12 4:54 ` tiejun.chen
2013-07-14 4:13 ` Benjamin Herrenschmidt
2013-07-14 4:13 ` Benjamin Herrenschmidt
2013-07-15 3:04 ` tiejun.chen
2013-07-15 3:04 ` tiejun.chen
2013-07-10 19:15 ` Scott Wood
2013-07-10 19:15 ` Scott Wood
2013-07-10 19:15 ` Scott Wood
2013-07-11 2:59 ` tiejun.chen
2013-07-11 3:00 ` tiejun.chen
2013-07-11 3:00 ` tiejun.chen
2013-07-11 14:13 ` Scott Wood
2013-07-11 14:13 ` Scott Wood
[not found] <1373559480.8183.258@snotra>
2013-07-12 0:30 ` Benjamin Herrenschmidt
2013-07-12 0:30 ` Benjamin Herrenschmidt
[not found] ` <FB21594A-C233-4A97-8503-E2A1275F8F17@suse.de>
[not found] ` <1373560585.8183.261@snotra>
2013-07-12 3:22 ` tiejun.chen
2013-07-12 3:22 ` tiejun.chen
[not found] <1373651433.8183.276@snotra>
2013-07-12 23:05 ` Benjamin Herrenschmidt
2013-07-12 23:05 ` Benjamin Herrenschmidt
2013-07-15 2:20 ` tiejun.chen
2013-07-15 2:20 ` tiejun.chen
2013-07-15 2:47 ` Benjamin Herrenschmidt
2013-07-15 2:47 ` Benjamin Herrenschmidt
2013-07-15 3:03 ` tiejun.chen
2013-07-15 3:03 ` tiejun.chen
[not found] ` <1373909248.8183.303@snotra>
2013-07-16 2:15 ` tiejun.chen
2013-07-16 2:15 ` tiejun.chen
2013-07-15 2:25 ` tiejun.chen
2013-07-15 2:25 ` tiejun.chen
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