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Date: Tue, 30 Mar 2021 16:36:26 -0700
From: Dan Williams <dan.j.williams@...el.com>
To: linux-cxl@...r.kernel.org
Cc: Ben Widawsky <ben.widawsky@...el.com>,
Jason Gunthorpe <jgg@...dia.com>, linux-kernel@...r.kernel.org,
vishal.l.verma@...el.com, ira.weiny@...el.com,
alison.schofield@...el.com
Subject: [PATCH v3 0/4] cxl/mem: Fix memdev device setup
Changes since v2: [1]
- switch from non-idiomatic srcu synchronization of the device
registration state to rwsem protection of the cxlmd->cxlm pointer.
(Jason)
[1]: http://lore.kernel.org/r/161707245893.2072157.6743322596719518693.stgit@dwillia2-desk3.amr.corp.intel.com
---
A collection of fixes initially inspired by Jason's recognition of
dev_set_name() error handling mistakes on other driver review, but also
from a deeper discussion of idiomatic device operation shutdown flows.
The end result is easier to reason about and validate. Thank you, Jason.
The sysfs_emit() fixup and unpublishing of device power management files
are independent sanity cleanups.
---
Dan Williams (4):
cxl/mem: Use sysfs_emit() for attribute show routines
cxl/mem: Fix synchronization mechanism for device removal vs ioctl operations
cxl/mem: Do not rely on device_add() side effects for dev_set_name() failures
cxl/mem: Disable cxl device power management
drivers/cxl/mem.c | 141 +++++++++++++++++++++++++++++++----------------------
1 file changed, 83 insertions(+), 58 deletions(-)
base-commit: a38fd8748464831584a19438cbb3082b5a2dab15
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