wonderful-mobile/exynos-linux-stable
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

UPSTREAM: Make anon_inodes unconditional

Browse source 
Make the anon_inodes facility unconditional so that it can be used by core
VFS code.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

(cherry picked from commit dadd2299ab61fc2b55b95b7b3a8f674cdd3b69c9)

Bug: 135608568
Test: test program using syscall(__NR_sys_pidfd_open,..) and poll()
Change-Id: I2f97bda4f360d8d05bbb603de839717b3d8067ae
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
This commit is contained in:
David Howells 2018-11-05 17:40:31 +00:00 • committed by Suren Baghdasaryan
parent 68defbc4c8
commit 1999644115
18 changed files with 1 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

10
init/Kconfig
View file

@ -1523,9 +1523,6 @@ endchoice
config SYSCTL
bool
config ANON_INODES
bool
config HAVE_UID16
bool
@ -1743,14 +1740,12 @@ config HAVE_FUTEX_CMPXCHG
config EPOLL
bool "Enable eventpoll support" if EXPERT
default y
select ANON_INODES
help
Disabling this option will cause the kernel to be built without
support for epoll family of system calls.
config SIGNALFD
bool "Enable signalfd() system call" if EXPERT
select ANON_INODES
default y
help
Enable the signalfd() system call that allows to receive signals
@ -1760,7 +1755,6 @@ config SIGNALFD
config TIMERFD
bool "Enable timerfd() system call" if EXPERT
select ANON_INODES
default y
help
Enable the timerfd() system call that allows to receive timer
@ -1770,7 +1764,6 @@ config TIMERFD
config EVENTFD
bool "Enable eventfd() system call" if EXPERT
select ANON_INODES
default y
help
Enable the eventfd() system call that allows to receive both
@ -1781,7 +1774,6 @@ config EVENTFD
# syscall, maps, verifier
config BPF_SYSCALL
bool "Enable bpf() system call"
select ANON_INODES
select BPF
default n
help
@ -1826,7 +1818,6 @@ config ADVISE_SYSCALLS
config USERFAULTFD
bool "Enable userfaultfd() system call"
select ANON_INODES
depends on MMU
help
Enable the userfaultfd() system call that allows to intercept and
@ -1878,7 +1869,6 @@ config PERF_EVENTS
bool "Kernel performance events and counters"
default y if PROFILING
depends on HAVE_PERF_EVENTS
select ANON_INODES
select IRQ_WORK
select SRCU
help