From: Paolo Bonzini <pbonzini@redhat.com>
To: yunhong jiang <yunhong.jiang@linux.intel.com>
Cc: "Wanpeng Li" <kernellwp@gmail.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
"Wanpeng Li" <wanpeng.li@hotmail.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Yunhong Jiang" <yunhong.jiang@intel.com>
Subject: Re: [PATCH] KVM: vmx: fix underflow in TSC deadline calculation
Date: Tue, 28 Jun 2016 22:07:29 +0200 [thread overview]
Message-ID: <f3625299-36cb-0259-6a3f-01dbb8527b0c@redhat.com> (raw)
In-Reply-To: <20160628113414.18f637b5@jnakajim-build>
On 28/06/2016 20:34, yunhong jiang wrote:
> Paolo, thanks for reply.
>
> Which race window you are talking about? Is it the
> kvm_lapic_switch_to_hv_timer()? If yes, hope we will not forgot it once the
> lapic timer is not pinned anymore in future.
Yes, it's that one. This is a good point against using
local_irq_save/restore.
Paolo
next prev parent reply other threads:[~2016-06-28 20:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-28 6:54 [PATCH] KVM: vmx: fix underflow in TSC deadline calculation Wanpeng Li
2016-06-28 17:45 ` yunhong jiang
2016-06-28 17:56 ` Paolo Bonzini
2016-06-28 18:34 ` yunhong jiang
2016-06-28 20:07 ` Paolo Bonzini [this message]
2016-06-28 22:55 ` Wanpeng Li
2016-06-29 0:39 ` Wanpeng Li
-- strict thread matches above, loose matches on Subject: below --
2016-06-27 13:11 Paolo Bonzini
2016-06-28 6:15 ` Wanpeng Li
2016-06-28 8:43 ` Paolo Bonzini
2016-06-28 8:46 ` Wanpeng Li
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