Jane Chu 047218ec90 dax: add .recovery_write dax_operation ... Introduce dax_recovery_write() operation. The function is used to recover a dax range that contains poison. Typical use case is when a user process receives a SIGBUS with si_code BUS_MCEERR_AR indicating poison(s) in a dax range, in response, the user process issues a pwrite() to the page-aligned dax range, thus clears the poison and puts valid data in the range. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jane Chu <jane.chu@oracle.com> Link: https://lore.kernel.org/r/20220422224508.440670-6-jane.chu@oracle.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>		2022-05-16 13:37:59 -07:00
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hmem	dax/hmem: introduce dax_hmem.region_idle parameter	2020-10-13 18:38:28 -07:00
pmem	dax: Kill DEV_DAX_PMEM_COMPAT	2021-11-24 19:21:35 -08:00
bus.c	Merge branch 'akpm' (patches from Andrew)	2022-01-15 20:37:06 +02:00
bus.h	Merge branch 'akpm' (patches from Andrew)	2022-01-15 20:37:06 +02:00
dax-private.h	device-dax: add an 'align' attribute	2020-10-13 18:38:28 -07:00
device.c	fs: Convert __set_page_dirty_no_writeback to noop_dirty_folio	2022-03-16 13:37:05 -04:00
Kconfig	dax: remove CONFIG_DAX_DRIVER	2021-12-04 08:58:51 -08:00
kmem.c	dax/kmem: use a single static memory group for a single probed unit	2021-09-08 11:50:23 -07:00
Makefile	dax: Kill DEV_DAX_PMEM_COMPAT	2021-11-24 19:21:35 -08:00
pmem.c	dax: Kill DEV_DAX_PMEM_COMPAT	2021-11-24 19:21:35 -08:00
super.c	dax: add .recovery_write dax_operation	2022-05-16 13:37:59 -07:00