From: Cornelia Huck <cohuck@redhat.com>
To: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Cc: Halil Pasic <pasic@linux.vnet.ibm.com>,
Pierre Morel <pmorel@linux.vnet.ibm.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v3 4/5] 390x/css: introduce maximum data address checking
Date: Wed, 20 Sep 2017 10:25:37 +0200 [thread overview]
Message-ID: <20170920102537.6b329909.cohuck@redhat.com> (raw)
In-Reply-To: <20170920074751.GI11080@bjsdjshi@linux.vnet.ibm.com>
On Wed, 20 Sep 2017 15:47:51 +0800
Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> wrote:
> * Halil Pasic <pasic@linux.vnet.ibm.com> [2017-09-19 20:27:44 +0200]:
> > @@ -828,7 +836,9 @@ void ccw_dstream_init(CcwDataStream *cds, CCW1 const *ccw, ORB const *orb)
> > g_assert(!(orb->ctrl1 & ORB_CTRL1_MASK_MIDAW));
> > cds->flags = (orb->ctrl0 & ORB_CTRL0_MASK_I2K ? CDS_F_I2K : 0) |
> > (orb->ctrl0 & ORB_CTRL0_MASK_C64 ? CDS_F_C64 : 0) |
> > + (orb->ctrl0 & ORB_CTRL0_MASK_FMT ? CDS_F_FMT : 0) |
> This reminds me one more question:
> Calling ccw_dsteram_init() after copy_ccw_from_guest() may lead to a
> fmt-1 @ccw with an @orb that designates fmt-0 ccw. This sounds insane.
That's just a consequence of us translating everything to format-1
ccws. A bit confusing, but no problem if we pay attention to the format
bit everywhere it makes a difference.
next prev parent reply other threads:[~2017-09-20 13:12 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-19 18:27 [Qemu-devel] [PATCH v3 0/5] add CCW indirect data access support Halil Pasic
2017-09-19 18:27 ` [Qemu-devel] [PATCH v3 1/5] s390x/css: introduce css data stream Halil Pasic
2017-09-20 6:44 ` Dong Jia Shi
2017-09-19 18:27 ` [Qemu-devel] [PATCH v3 2/5] s390x/css: use ccw " Halil Pasic
2017-09-21 9:40 ` Pierre Morel
2017-09-19 18:27 ` [Qemu-devel] [PATCH v3 3/5] virtio-ccw: " Halil Pasic
2017-09-20 6:47 ` Dong Jia Shi
2017-09-20 7:58 ` Cornelia Huck
2017-09-20 10:56 ` Halil Pasic
2017-09-20 10:57 ` Cornelia Huck
2017-09-21 9:44 ` Pierre Morel
2017-09-21 17:01 ` Halil Pasic
2017-09-19 18:27 ` [Qemu-devel] [PATCH v3 4/5] 390x/css: introduce maximum data address checking Halil Pasic
2017-09-20 7:47 ` Dong Jia Shi
2017-09-20 8:25 ` Cornelia Huck [this message]
2017-09-20 11:02 ` Halil Pasic
2017-09-21 0:39 ` Dong Jia Shi
2017-09-20 8:06 ` Cornelia Huck
2017-09-20 11:34 ` Halil Pasic
2017-09-20 11:43 ` Cornelia Huck
2017-09-19 18:27 ` [Qemu-devel] [PATCH v3 5/5] s390x/css: support ccw IDA Halil Pasic
2017-09-20 7:42 ` Dong Jia Shi
2017-09-20 8:33 ` Cornelia Huck
2017-09-20 11:13 ` Halil Pasic
2017-09-20 11:18 ` Cornelia Huck
2017-09-20 16:46 ` Halil Pasic
2017-09-21 0:50 ` Dong Jia Shi
2017-09-21 7:31 ` Cornelia Huck
2017-09-21 1:10 ` Dong Jia Shi
2017-09-20 8:11 ` Cornelia Huck
2017-09-20 11:01 ` Halil Pasic
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