Re: [PATCH v2 1/2] virtio-pmem: Support PCI BAR-relative addresses

2021-07-20 Thread Michael S. Tsirkin
On Mon, Jul 19, 2021 at 11:41:03PM -0700, Taylor Stark wrote: > On Mon, Jul 19, 2021 at 05:17:00PM -0400, Michael S. Tsirkin wrote: > > On Thu, Jul 15, 2021 at 03:35:05PM -0700, Taylor Stark wrote: > > > Update virtio-pmem to allow for the pmem region to be specified in either > > > guest absolute

Re: [PATCH 03/27] iomap: mark the iomap argument to iomap_sector const

2021-07-20 Thread Nikolay Borisov
On 19.07.21 г. 19:08, Darrick J. Wong wrote: > On Mon, Jul 19, 2021 at 12:34:56PM +0200, Christoph Hellwig wrote: >> Signed-off-by: Christoph Hellwig > > /me wonders, does this have any significant effect on the generated > code? https://theartofmachinery.com/2019/08/12/c_const_isnt_for_perfo

RE: [PATCH v5 2/9] dax: Introduce holder for dax_device

2021-07-20 Thread ruansy.f...@fujitsu.com
> -Original Message- > Subject: Re: [PATCH v5 2/9] dax: Introduce holder for dax_device > > On Mon, Jun 28, 2021 at 08:02:11AM +0800, Shiyang Ruan wrote: > > +int dax_holder_notify_failure(struct dax_device *dax_dev, loff_t offset, > > + size_t size, void *data) > >

[PATCH v2 0/4] ndctl: Add ipmregion tool with ipmregion list and reconfigure-region commands

2021-07-20 Thread James Anandraj
From: James Sushanth Anandraj The Intel Optane Persistent Memory OS provisioning specification describes how to support basic provisioning for Intel Optane persistent memory 100 and 200 series for use in different operating modes using OS software. This patch set introduces a new utility ipmregi

[PATCH v2 1/4] Documentation/ipmregion: Add documentation for ipmregion tool and commands

2021-07-20 Thread James Anandraj
From: James Sushanth Anandraj Add man page files for ipmregion tool, ipmregion-list and ipmregion-reconfigure-region commands. Ipmregion is a tool to help region reconfiguration for 'nvdimm' devices. It modifies a portion of the pcd region on 'nvdimm' devices to reconfigure regions. The module Pl

[PATCH v2 2/4] ipmregion/list: Add ipmregion-list command to enumerate 'nvdimm' devices

2021-07-20 Thread James Anandraj
From: James Sushanth Anandraj Add ipmregion-list command to enumerate 'nvdimm' devices. The command reads pcd data from the 'nvdimm' devices to display information related to region reconfiguration such as, pending reconfiguration request and the status of last request. Signed-off-by: James Sush

[PATCH v2 3/4] ipmregion/reconfigure: Add ipmregion-reconfigure-region command

2021-07-20 Thread James Anandraj
From: James Sushanth Anandraj Add ipmregion-reconfigure-region command and helper functions. The command reads pcd data from the 'nvdimm' devices and writes a new pcd reflecting the region reconfiguration request. In this patch functions to reconfigure region into volatile regions(ram) are implem

[PATCH v2 4/4] ipmregion/reconfigure: Add support for different pmem region modes

2021-07-20 Thread James Anandraj
From: James Sushanth Anandraj Implement ipmregion-reconfigure-region fault-isolation-pmem and performance-pmem support. This patch adds helper functions to support processing of different pmem reconfigure-region requests. The fault-isolation-pmem reconfigure-region request results in regions that

Re: [PATCH v4 5/5] bus: Make remove callback return void

2021-07-20 Thread Wolfram Sang
On Tue, Jul 13, 2021 at 09:35:22PM +0200, Uwe Kleine-König wrote: > The driver core ignores the return value of this callback because there > is only little it can do when a device disappears. > > This is the final bit of a long lasting cleanup quest where several > buses were converted to also re