Konstantin Khlebnikov e262271552 mm: rcu-protected get_mm_exe_file() ...

This patch removes mm->mmap_sem from mm->exe_file read side.
Also it kills dup_mm_exe_file() and moves exe_file duplication into
dup_mmap() where both mmap_sems are locked.

[akpm@linux-foundation.org: fix comment typo]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[haggertk: Backport to 3.4; __fget() in fs/file.c not applicable]
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
Change-Id: I7fbc5b638f9ac9e74cd9adfdfb92c81e1146080c

2021-01-03 21:26:49 +01:00

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acpi

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asm-generic

net: introduce SO_MAX_PACING_RATE

2020-12-12 21:36:54 +01:00

crypto

crypto: crypto_memneq - add equality testing of memory regions w/o timing leaks

2019-10-05 13:41:36 +02:00

drm

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keys

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linux

mm: rcu-protected get_mm_exe_file()

2021-01-03 21:26:49 +01:00

math-emu

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media

camera: backward compatibility for old ms01 device camera mm modules

2020-05-02 17:41:13 +05:30

misc

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mtd

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net

tcp: GSO should be TSQ friendly

2020-12-12 21:36:55 +01:00

pcmcia

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rdma

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rxrpc

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scsi

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sound

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target

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trace

lowmemorykiller: adapt to vmpressure

2019-08-08 12:09:27 +02:00

uapi

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video

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xen

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Kbuild

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