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[Qemu-devel] [PATCH 11/21] userfaultfd: buildsystem activation
From: |
Andrea Arcangeli |
Subject: |
[Qemu-devel] [PATCH 11/21] userfaultfd: buildsystem activation |
Date: |
Thu, 5 Mar 2015 18:17:54 +0100 |
This allows to select the userfaultfd during configuration to build it.
Signed-off-by: Andrea Arcangeli <address@hidden>
---
fs/Makefile | 1 +
init/Kconfig | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/fs/Makefile b/fs/Makefile
index a88ac48..ba8ab62 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_ANON_INODES) += anon_inodes.o
obj-$(CONFIG_SIGNALFD) += signalfd.o
obj-$(CONFIG_TIMERFD) += timerfd.o
obj-$(CONFIG_EVENTFD) += eventfd.o
+obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
obj-$(CONFIG_AIO) += aio.o
obj-$(CONFIG_FS_DAX) += dax.o
obj-$(CONFIG_FILE_LOCKING) += locks.o
diff --git a/init/Kconfig b/init/Kconfig
index f5dbc6d..580dae7 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1550,6 +1550,17 @@ config ADVISE_SYSCALLS
applications use these syscalls, you can disable this option to save
space.
+config USERFAULTFD
+ bool "Enable userfaultfd() system call"
+ select ANON_INODES
+ default y
+ depends on MMU
+ help
+ Enable the userfaultfd() system call that allows to intercept and
+ handle page faults in userland.
+
+ If unsure, say Y.
+
config PCI_QUIRKS
default y
bool "Enable PCI quirk workarounds" if EXPERT
- [Qemu-devel] [PATCH 00/21] RFC: userfaultfd v3, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 02/21] userfaultfd: linux/Documentation/vm/userfaultfd.txt, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 06/21] userfaultfd: add VM_UFFD_MISSING and VM_UFFD_WP, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 16/21] userfaultfd: remap_pages: rmap preparation, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 17/21] userfaultfd: remap_pages: swp_entry_swapcount() preparation, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 12/21] userfaultfd: activate syscall, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 11/21] userfaultfd: buildsystem activation,
Andrea Arcangeli <=
- [Qemu-devel] [PATCH 08/21] userfaultfd: teach vma_merge to merge across vma->vm_userfaultfd_ctx, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 01/21] userfaultfd: waitqueue: add nr wake parameter to __wake_up_locked_key, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 13/21] userfaultfd: UFFDIO_COPY|UFFDIO_ZEROPAGE uAPI, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 15/21] userfaultfd: UFFDIO_COPY and UFFDIO_ZEROPAGE, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 20/21] userfaultfd: UFFDIO_REMAP, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 07/21] userfaultfd: call handle_userfault() for userfaultfd_missing() faults, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 10/21] userfaultfd: add new syscall to provide memory externalization, Andrea Arcangeli, 2015/03/05
- [Qemu-devel] [PATCH 21/21] userfaultfd: add userfaultfd_wp mm helpers, Andrea Arcangeli, 2015/03/05