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 05:38:48 +0000 [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.
WARNING: multiple messages have this Message-ID (diff)
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 5:38 UTC|newest]
Thread overview: 16+ 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 ` Paul Mackerras
2013-11-16 6:46 ` [PATCH 1/4] KVM: PPC: Book3S HV: Fix physical address calculations Paul Mackerras
2013-11-16 6:46 ` Paul Mackerras
2013-12-06 10:52 ` Alexey Kardashevskiy
2013-12-06 10:52 ` Alexey Kardashevskiy
2013-12-10 5:38 ` Paul Mackerras [this message]
2013-12-10 5:38 ` Paul Mackerras
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 ` 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 ` 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
2013-11-16 6:46 ` Paul Mackerras
2013-11-18 21:42 ` [PATCH 0/4] KVM: PPC: Book3S HV: Bug fixes for 3.13 Alexander Graf
2013-11-18 21:42 ` Alexander Graf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131210053848.GA7721@drongo \
--to=paulus@samba.org \
--cc=agraf@suse.de \
--cc=aik@ozlabs.ru \
--cc=kvm-ppc@vger.kernel.org \
--cc=kvm@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.