From: Paul Mackerras <paulus@samba.org>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Alexander Graf <agraf@suse.de>,
kvm@vger.kernel.org, kvm-ppc@vger.kernel.org
Subject: Re: [PATCH 1/4] KVM: PPC: Book3S HV: Fix physical address calculations
Date: Tue, 10 Dec 2013 16:38:48 +1100 [thread overview]
Message-ID: <20131210053848.GA7721@drongo> (raw)
In-Reply-To: <52A1AC6F.2090909@ozlabs.ru>
On Fri, Dec 06, 2013 at 09:52:31PM +1100, Alexey Kardashevskiy wrote:
> This patch breaks VFIO with Intel E1000E on my p5ioc2 machine (vpl2) - the
> guest tries allocating MSI ibm,change_msi and pauses for a while (>
> 10minutes), then continues but the ethernet adapter does not work anyway.
> Disabling MSI in QEMU does not help though. I'll debug on Monday but quick
> ideas are welcome.
Looks like I'm losing some low-order address bits in kvmppc_do_h_enter
when the guest creates a 4k HPTE.
Alex, have you merged this patch in an immutable branch yet? Do you
want an incremental patch on top, or a revised version of this patch?
Regards,
Paul.
next prev parent reply other threads:[~2013-12-10 5:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-16 6:46 [PATCH 0/4] KVM: PPC: Book3S HV: Bug fixes for 3.13 Paul Mackerras
2013-11-16 6:46 ` [PATCH 1/4] KVM: PPC: Book3S HV: Fix physical address calculations Paul Mackerras
2013-12-06 10:52 ` Alexey Kardashevskiy
2013-12-10 5:38 ` Paul Mackerras [this message]
2013-11-16 6:46 ` [PATCH 2/4] KVM: PPC: Book3S HV: Refine barriers in guest entry/exit Paul Mackerras
2013-11-16 6:46 ` [PATCH 3/4] KVM: PPC: Book3S HV: Make tbacct_lock irq-safe Paul Mackerras
2013-11-16 6:46 ` [PATCH 4/4] KVM: PPC: Book3S HV: Take SRCU read lock around kvm_read_guest() call Paul Mackerras
2013-11-18 21:42 ` [PATCH 0/4] KVM: PPC: Book3S HV: Bug fixes for 3.13 Alexander Graf
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