From: Alex Williamson <alex.williamson@redhat.com>
To: Rorie Reyes <rreyes@linux.ibm.com>
Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org,
pbonzini@redhat.com, cohuck@redhat.com, pasic@linux.ibm.com,
jjherne@linux.ibm.com, borntraeger@linux.ibm.com, clg@redhat.com,
thuth@redhat.com, akrowiak@linux.ibm.com
Subject: Re: [PATCH v1 0/5] Report vfio-ap configuration changes
Date: Tue, 7 Jan 2025 14:06:34 -0500 [thread overview]
Message-ID: <20250107140634.35cb33ba.alex.williamson@redhat.com> (raw)
In-Reply-To: <20250107184354.91079-1-rreyes@linux.ibm.com>
On Tue, 7 Jan 2025 13:43:49 -0500
Rorie Reyes <rreyes@linux.ibm.com> wrote:
> This patch series creates and registers a handler that is called when
> userspace is notified by the kernel that a guest's AP configuration has
> changed. The handler in turn notifies the guest that its AP configuration
> has changed. This allows the guest to immediately respond to AP
> configuration changes rather than relying on polling or some other
> inefficient mechanism for detecting config changes.
Why are configuration changes to the device allowed while the device is
in use?
Would a uevent be considered an inefficient mechanism? Why?
Thanks,
Alex
next prev parent reply other threads:[~2025-01-07 19:09 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-07 18:43 [PATCH v1 0/5] Report vfio-ap configuration changes Rorie Reyes
2025-01-07 18:43 ` [PATCH v1 1/5] linux-headers: NOTFORMERGE - placeholder uapi updates for AP config change Rorie Reyes
2025-01-08 7:29 ` Cédric Le Goater
2025-01-14 18:51 ` Rorie Reyes
2025-01-14 19:55 ` Eric Farman
2025-01-24 8:49 ` Cédric Le Goater
2025-01-24 14:45 ` Eric Farman
2025-01-07 18:43 ` [PATCH v1 2/5] hw/vfio/ap: notification handler for AP config changed event Rorie Reyes
2025-01-08 7:34 ` Cédric Le Goater
2025-01-08 18:58 ` Rorie Reyes
2025-01-15 17:00 ` Anthony Krowiak
2025-01-24 8:31 ` Cédric Le Goater
2025-01-07 18:43 ` [PATCH v1 3/5] hw/vfio/ap: store object indicating AP config changed in a queue Rorie Reyes
2025-01-24 8:37 ` Cédric Le Goater
2025-01-27 19:12 ` Anthony Krowiak
2025-02-03 16:50 ` Anthony Krowiak
2025-02-04 13:22 ` Rorie Reyes
2025-01-07 18:43 ` [PATCH v1 4/5] hw/vfio/ap: Storing event information for an AP configuration change event Rorie Reyes
2025-01-24 8:43 ` Cédric Le Goater
2025-01-07 18:43 ` [PATCH v1 5/5] s390: implementing CHSC SEI for AP config change Rorie Reyes
2025-01-07 19:06 ` Alex Williamson [this message]
2025-01-14 16:34 ` [PATCH v1 0/5] Report vfio-ap configuration changes Rorie Reyes
2025-02-05 17:38 ` Rorie Reyes
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