AuxXxilium/linux_dsm_epyc7002
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4f564ff3d4
linux_dsm_epyc7002/drivers/misc/mic/scif
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Davidlohr Bueso 4f564ff3d4 drivers/mic/scif: do not use mmap_sem 
The driver uses mmap_sem for both pinned_vm accounting and
get_user_pages(). By using gup_fast() and letting the mm handle the lock
if needed, we can no longer rely on the semaphore and simplify the whole
thing.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-02-07 12:54:02 -07:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scif_api.c misc: mic: SCIF Fix scif_get_new_port() error handling 2018-08-05 16:29:11 +02:00
scif_debugfs.c misc: remove GENWQE_DEBUGFS_RO() 2018-12-06 15:42:18 +01:00
scif_dma.c mm/mmu_notifier: use structure for invalidate_range_start/end callback 2018-12-28 12:11:50 -08:00
scif_epd.c misc: mic: SCIF RMA nodeqp and minor miscellaneous changes 2015-10-04 12:54:54 +01:00
scif_epd.h the rest of drivers/*: annotate ->poll() instances 2017-11-28 11:06:58 -05:00
scif_fd.c the rest of drivers/*: annotate ->poll() instances 2017-11-28 11:06:58 -05:00
scif_fence.c misc: mic: fix a DMA pool free failure 2018-12-19 10:26:31 +01:00
scif_main.c misc: mic: SCIF RMA nodeqp and minor miscellaneous changes 2015-10-04 12:54:54 +01:00
scif_main.h sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
scif_map.h misc: mic: SCIF RMA nodeqp and minor miscellaneous changes 2015-10-04 12:54:54 +01:00
scif_mmap.c misc: mic: scif: use vma_pages(). 2016-08-30 14:45:50 +02:00
scif_nm.c misc: mic: SCIF RMA nodeqp and minor miscellaneous changes 2015-10-04 12:54:54 +01:00
scif_nodeqp.c misc: mic: fix memory leak 2015-10-17 21:42:29 -07:00
scif_nodeqp.h misc: mic: SCIF RMA nodeqp and minor miscellaneous changes 2015-10-04 12:54:54 +01:00
scif_peer_bus.c misc: mic: SCIF RMA nodeqp and minor miscellaneous changes 2015-10-04 12:54:54 +01:00
scif_peer_bus.h misc: mic: Add support for kernel mode SCIF clients 2015-10-04 12:46:06 +01:00
scif_ports.c misc: mic: SCIF open close bind and listen APIs 2015-05-24 12:13:36 -07:00
scif_rb.c locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
scif_rb.h
scif_rma_list.c locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
scif_rma_list.h misc: mic: SCIF RMA list operations 2015-10-04 12:54:54 +01:00
scif_rma.c drivers/mic/scif: do not use mmap_sem 2019-02-07 12:54:02 -07:00
scif_rma.h IOMMU Updates for Linux v4.21 2019-01-01 15:55:29 -08:00