acrn-kernel/virt/kvm
Lorenzo Stoakes 8b7457ef9a mm: unexport __get_user_pages_unlocked()
Unexport the low-level __get_user_pages_unlocked() function and replaces
invocations with calls to more appropriate higher-level functions.

In hva_to_pfn_slow() we are able to replace __get_user_pages_unlocked()
with get_user_pages_unlocked() since we can now pass gup_flags.

In async_pf_execute() and process_vm_rw_single_vec() we need to pass
different tsk, mm arguments so get_user_pages_remote() is the sane
replacement in these cases (having added manual acquisition and release
of mmap_sem.)

Additionally get_user_pages_remote() reintroduces use of the FOLL_TOUCH
flag.  However, this flag was originally silently dropped by commit
1e9877902d ("mm/gup: Introduce get_user_pages_remote()"), so this
appears to have been unintentional and reintroducing it is therefore not
an issue.

[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/20161027095141.2569-3-lstoakes@gmail.com
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-14 16:04:09 -08:00
..
arm Small release, the most interesting stuff is x86 nested virt improvements. 2016-12-13 15:47:02 -08:00
Kconfig
async_pf.c mm: unexport __get_user_pages_unlocked() 2016-12-14 16:04:09 -08:00
async_pf.h
coalesced_mmio.c
coalesced_mmio.h
eventfd.c KVM: fix OOPS on flush_work 2016-10-26 14:06:51 +02:00
irqchip.c KVM/ARM Changes for v4.8 - Take 2 2016-08-04 13:59:56 +02:00
kvm_main.c mm: unexport __get_user_pages_unlocked() 2016-12-14 16:04:09 -08:00
vfio.c kvm: set/clear kvm to/from vfio_group when group add/delete 2016-12-01 10:42:17 -07:00
vfio.h