[PATCH 25/34] Make anon_inodes unconditional [ver #12]

From: David Howells
Date: Fri Sep 21 2018 - 12:33:40 EST

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

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

arch/arm/kvm/Kconfig | 1 -
arch/arm64/kvm/Kconfig | 1 -
arch/mips/kvm/Kconfig | 1 -
arch/powerpc/kvm/Kconfig | 1 -
arch/s390/kvm/Kconfig | 1 -
arch/x86/Kconfig | 1 -
arch/x86/kvm/Kconfig | 1 -
drivers/base/Kconfig | 1 -
drivers/char/tpm/Kconfig | 1 -
drivers/dma-buf/Kconfig | 1 -
drivers/gpio/Kconfig | 1 -
drivers/iio/Kconfig | 1 -
drivers/infiniband/Kconfig | 1 -
drivers/vfio/Kconfig | 1 -
fs/Makefile | 2 +-
fs/notify/fanotify/Kconfig | 1 -
fs/notify/inotify/Kconfig | 1 -
init/Kconfig | 10 ----------
18 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index e2bd35b6780c..c09fcc092a54 100644
--- a/arch/arm/kvm/Kconfig
+++ b/arch/arm/kvm/Kconfig
@@ -22,7 +22,6 @@ config KVM
bool "Kernel-based Virtual Machine (KVM) support"
depends on MMU && OF
select PREEMPT_NOTIFIERS
- select ANON_INODES
select ARM_GIC
select ARM_GIC_V3
select ARM_GIC_V3_ITS
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 47b23bf617c7..86fe9b3e3ff8 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -23,7 +23,6 @@ config KVM
depends on OF
select MMU_NOTIFIER
select PREEMPT_NOTIFIERS
- select ANON_INODES
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_ARCH_TLB_FLUSH_ALL
select KVM_MMIO
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 76b93a9c8c9b..4d06a29bc13b 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -20,7 +20,6 @@ config KVM
depends on HAVE_KVM
select EXPORT_UASM
select PREEMPT_NOTIFIERS
- select ANON_INODES
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select HAVE_KVM_VCPU_ASYNC_IOCTL
select KVM_MMIO
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 68a0e9d5b440..e058d02ee819 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -20,7 +20,6 @@ if VIRTUALIZATION
config KVM
bool
select PREEMPT_NOTIFIERS
- select ANON_INODES
select HAVE_KVM_EVENTFD
select HAVE_KVM_VCPU_ASYNC_IOCTL
select SRCU
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index a3dbd459cce9..600e4fd11a67 100644
--- a/arch/s390/kvm/Kconfig
+++ b/arch/s390/kvm/Kconfig
@@ -21,7 +21,6 @@ config KVM
prompt "Kernel-based Virtual Machine (KVM) support"
depends on HAVE_KVM
select PREEMPT_NOTIFIERS
- select ANON_INODES
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_VCPU_ASYNC_IOCTL
select HAVE_KVM_EVENTFD
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1a0be022f91d..d02baf335d98 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -46,7 +46,6 @@ config X86
#
select ACPI_LEGACY_TABLES_LOOKUP if ACPI
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
- select ANON_INODES
select ARCH_CLOCKSOURCE_DATA
select ARCH_DISCARD_MEMBLOCK
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 1bbec387d289..f3f2e547484b 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -27,7 +27,6 @@ config KVM
depends on X86_LOCAL_APIC
select PREEMPT_NOTIFIERS
select MMU_NOTIFIER
- select ANON_INODES
select HAVE_KVM_IRQCHIP
select HAVE_KVM_IRQFD
select IRQ_BYPASS_MANAGER
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 3e63a900b330..ae213ed2a7c8 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -174,7 +174,6 @@ source "drivers/base/regmap/Kconfig"
config DMA_SHARED_BUFFER
bool
default n
- select ANON_INODES
select IRQ_WORK
help
This option enables the framework for buffer-sharing between
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 18c81cbe4704..4819874b5523 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -157,7 +157,6 @@ config TCG_CRB
config TCG_VTPM_PROXY
tristate "VTPM Proxy Interface"
depends on TCG_TPM
- select ANON_INODES
---help---
This driver proxies for an emulated TPM (vTPM) running in userspace.
A device /dev/vtpmx is provided that creates a device pair
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index ed3b785bae37..b0194c8c251c 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -3,7 +3,6 @@ menu "DMABUF options"
config SYNC_FILE
bool "Explicit Synchronization Framework"
default n
- select ANON_INODES
select DMA_SHARED_BUFFER
---help---
The Sync File Framework adds explicit syncronization via
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4f52c3a8ec99..392fd95b3734 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -12,7 +12,6 @@ config ARCH_HAVE_CUSTOM_GPIO_H

menuconfig GPIOLIB
bool "GPIO Support"
- select ANON_INODES
help
This enables GPIO support through the generic GPIO library.
You only need to enable this, if you also want to enable
diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index d08aeb41cd07..1dec0fecb6ef 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -4,7 +4,6 @@

menuconfig IIO
tristate "Industrial I/O support"
- select ANON_INODES
help
The industrial I/O subsystem provides a unified framework for
drivers for many different types of embedded sensors using a
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index abb6660c099c..176b943dfec9 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -25,7 +25,6 @@ config INFINIBAND_USER_MAD

config INFINIBAND_USER_ACCESS
tristate "InfiniBand userspace access (verbs and CM)"
- select ANON_INODES
---help---
Userspace InfiniBand access support. This enables the
kernel side of userspace verbs and the userspace
diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig
index c84333eb5eb5..9aa91e736023 100644
--- a/drivers/vfio/Kconfig
+++ b/drivers/vfio/Kconfig
@@ -22,7 +22,6 @@ menuconfig VFIO
tristate "VFIO Non-Privileged userspace driver framework"
depends on IOMMU_API
select VFIO_IOMMU_TYPE1 if (X86 || S390 || ARM_SMMU || ARM_SMMU_V3)
- select ANON_INODES
help
VFIO provides a framework for secure userspace device drivers.
See Documentation/vfio.txt for more details.
diff --git a/fs/Makefile b/fs/Makefile
index 9a0b8003f069..ae681523b4b1 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_PROC_FS) += proc_namespace.o

obj-y += notify/
obj-$(CONFIG_EPOLL) += eventpoll.o
-obj-$(CONFIG_ANON_INODES) += anon_inodes.o
+obj-y += anon_inodes.o
obj-$(CONFIG_SIGNALFD) += signalfd.o
obj-$(CONFIG_TIMERFD) += timerfd.o
obj-$(CONFIG_EVENTFD) += eventfd.o
diff --git a/fs/notify/fanotify/Kconfig b/fs/notify/fanotify/Kconfig
index 41355ce74ac0..f5b0b3af32dd 100644
--- a/fs/notify/fanotify/Kconfig
+++ b/fs/notify/fanotify/Kconfig
@@ -1,7 +1,6 @@
config FANOTIFY
bool "Filesystem wide access notification"
select FSNOTIFY
- select ANON_INODES
default n
---help---
Say Y here to enable fanotify support. fanotify is a file access
diff --git a/fs/notify/inotify/Kconfig b/fs/notify/inotify/Kconfig
index b981fc0c8379..0161c74e76e2 100644
--- a/fs/notify/inotify/Kconfig
+++ b/fs/notify/inotify/Kconfig
@@ -1,6 +1,5 @@
config INOTIFY_USER
bool "Inotify support for userspace"
- select ANON_INODES
select FSNOTIFY
default y
---help---
diff --git a/init/Kconfig b/init/Kconfig
index 1e234e2f1cba..275534995f78 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1114,9 +1114,6 @@ config LD_DEAD_CODE_DATA_ELIMINATION
config SYSCTL
bool

-config ANON_INODES
- bool
-
config HAVE_UID16
bool

@@ -1321,14 +1318,12 @@ 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
@@ -1338,7 +1333,6 @@ 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
@@ -1348,7 +1342,6 @@ 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
@@ -1450,7 +1443,6 @@ config KALLSYMS_BASE_RELATIVE
# syscall, maps, verifier
config BPF_SYSCALL
bool "Enable bpf() system call"
- select ANON_INODES
select BPF
select IRQ_WORK
default n
@@ -1467,7 +1459,6 @@ config BPF_JIT_ALWAYS_ON

config USERFAULTFD
bool "Enable userfaultfd() system call"
- select ANON_INODES
depends on MMU
help
Enable the userfaultfd() system call that allows to intercept and
@@ -1534,7 +1525,6 @@ 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

Next message: David Howells: "[PATCH 26/34] vfs: syscall: Add fsopen() to prepare for superblock creation [ver #12]"
Previous message: David Howells: "[PATCH 24/34] vfs: Provide documentation for new mount API [ver #12]"
In reply to: David Howells: "[PATCH 24/34] vfs: Provide documentation for new mount API [ver #12]"
Next in thread: David Howells: "[PATCH 26/34] vfs: syscall: Add fsopen() to prepare for superblock creation [ver #12]"
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