From: Halil Pasic <pasic@linux.ibm.com>
To: linux-s390@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH 2/2] virtio/s390: fix race in ccw_io_helper()
Date: Mon, 24 Sep 2018 14:09:38 +0000 [thread overview]
Message-ID: <f7c23739-d047-8345-b17e-a6bf335aa932@linux.ibm.com> (raw)
In-Reply-To: <20180924153257.24f367a4.cohuck@redhat.com>
On 09/24/2018 03:32 PM, Cornelia Huck wrote:
> On Mon, 24 Sep 2018 14:57:26 +0200
> Halil Pasic <pasic@linux.ibm.com> wrote:
>
>> On 09/21/2018 03:30 PM, Cornelia Huck wrote:
>>> On Fri, 21 Sep 2018 14:46:21 +0200
>>> Halil Pasic <pasic@linux.ibm.com> wrote:
>
>> Again, not what I tried to say. By 'This' I meant 'this race'. How
>> about?
>>
>> """
>> This race normally does not cause any problems. The operations provided
>> by struct virtio_config_ops are usually invoked in a well defined sequence,
>> normally don't fail, and are normally usually quite infrequent too.
>
> s/usually/used/
Nod. Thanks!
>
>>
>> Yet, if some of the these operations are directly triggered via
>> sysfs attributes, like in the case described by the referenced bug,
>> userspace is given an opportunity to force races by increasing the
>> frequency of the given operations.
>> """
>
> Fine with me.
>
prev parent reply other threads:[~2018-09-24 14:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 12:46 [PATCH 0/2] virtio/s390: fix some races in virtio-ccw Halil Pasic
2018-09-24 11:52 ` Christian Borntraeger
[not found] ` <20180921124621.43649-2-pasic@linux.ibm.com>
[not found] ` <20180921151433.519b6687.cohuck@redhat.com>
[not found] ` <d05aa6cb-d344-37dd-f1eb-55c28fcb9c62@linux.ibm.com>
[not found] ` <80a80dc6-ccb1-f245-b367-c2f9345ca151@linux.ibm.com>
2018-09-24 12:55 ` [PATCH 1/2] virtio/s390: avoid race on vcdev->config Cornelia Huck
[not found] ` <2b8982be-9066-cf08-657b-99ecf889e4a7@linux.ibm.com>
2018-09-24 14:50 ` Cornelia Huck
[not found] ` <20180921124621.43649-3-pasic@linux.ibm.com>
[not found] ` <20180921153031.77f7693b.cohuck@redhat.com>
[not found] ` <a55df275-d982-c051-1b17-465e3a30777f@linux.ibm.com>
2018-09-24 13:32 ` [PATCH 2/2] virtio/s390: fix race in ccw_io_helper() Cornelia Huck
2018-09-24 14:09 ` Halil Pasic [this message]
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