linux-ext4 - Re: [PATCH] kvm: async_pf: fix rcu_irq

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Date:   Tue, 6 Jun 2017 15:28:58 +0200
From:   Radim Krcmar <rkrcmar@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kvm <kvm@...r.kernel.org>, ross.zwisler@...ux.intel.com,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, jack@...e.cz,
        linux-ext4@...r.kernel.org, tytso@....edu,
        Josh Triplett <josh@...htriplett.org>,
        "# v3 . 10+" <stable@...r.kernel.org>
Subject: Re: [PATCH] kvm: async_pf: fix rcu_irq_enter() with irqs enabled

2017-06-05 12:21+0800, Wanpeng Li:
> 2017-04-26 22:56 GMT+08:00 Paolo Bonzini <pbonzini@...hat.com>:
> > native_safe_halt enables interrupts, and you just shouldn't
> > call rcu_irq_enter() with interrupts enabled.  Reorder the
> > call with the following local_irq_disable() to respect the
> > invariant.
> >
> > Reported-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> 
> I'm afraid we miss this commit. This commit can fix the below warning

Applied to kvm/master,

> Tested-by: Wanpeng Li <wanpeng.li@...mail.com>

thanks for the testing and ping!