cxl/memdev: Warn of poison inject or clear to a mapped region

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Inject and clear poison capabilities and intended for debug usage only.
In order to be useful in debug environments, the driver needs to allow
inject and clear operations on DPAs mapped in regions.

dev_warn_once() when either operation occurs.

Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Link: https://lore.kernel.org/r/f911ca5277c9d0f9757b72d7e6842871bfff4fa2.1681874357.git.alison.schofield@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Alison Schofield 2023-04-18 20:26:27 -07:00 • committed by Dan Williams

parent 9690b07748

commit 0a105ab28a

1 changed files with 59 additions and 0 deletions

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drivers/cxl/core/memdev.c

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