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2007-05-11signal/timer/event: signalfd coreDavide Libenzi
This patch series implements the new signalfd() system call. I took part of the original Linus code (and you know how badly it can be broken :), and I added even more breakage ;) Signals are fetched from the same signal queue used by the process, so signalfd will compete with standard kernel delivery in dequeue_signal(). If you want to reliably fetch signals on the signalfd file, you need to block them with sigprocmask(SIG_BLOCK). This seems to be working fine on my Dual Opteron machine. I made a quick test program for it: http://www.xmailserver.org/signafd-test.c The signalfd() system call implements signal delivery into a file descriptor receiver. The signalfd file descriptor if created with the following API: int signalfd(int ufd, const sigset_t *mask, size_t masksize); The "ufd" parameter allows to change an existing signalfd sigmask, w/out going to close/create cycle (Linus idea). Use "ufd" == -1 if you want a brand new signalfd file. The "mask" allows to specify the signal mask of signals that we are interested in. The "masksize" parameter is the size of "mask". The signalfd fd supports the poll(2) and read(2) system calls. The poll(2) will return POLLIN when signals are available to be dequeued. As a direct consequence of supporting the Linux poll subsystem, the signalfd fd can use used together with epoll(2) too. The read(2) system call will return a "struct signalfd_siginfo" structure in the userspace supplied buffer. The return value is the number of bytes copied in the supplied buffer, or -1 in case of error. The read(2) call can also return 0, in case the sighand structure to which the signalfd was attached, has been orphaned. The O_NONBLOCK flag is also supported, and read(2) will return -EAGAIN in case no signal is available. If the size of the buffer passed to read(2) is lower than sizeof(struct signalfd_siginfo), -EINVAL is returned. A read from the signalfd can also return -ERESTARTSYS in case a signal hits the process. The format of the struct signalfd_siginfo is, and the valid fields depends of the (->code & __SI_MASK) value, in the same way a struct siginfo would: struct signalfd_siginfo { __u32 signo; /* si_signo */ __s32 err; /* si_errno */ __s32 code; /* si_code */ __u32 pid; /* si_pid */ __u32 uid; /* si_uid */ __s32 fd; /* si_fd */ __u32 tid; /* si_fd */ __u32 band; /* si_band */ __u32 overrun; /* si_overrun */ __u32 trapno; /* si_trapno */ __s32 status; /* si_status */ __s32 svint; /* si_int */ __u64 svptr; /* si_ptr */ __u64 utime; /* si_utime */ __u64 stime; /* si_stime */ __u64 addr; /* si_addr */ }; [akpm@linux-foundation.org: fix signalfd_copyinfo() on i386] Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-11synclink_gt: add compat_ioctlPaul Fulghum
Add support for 32 bit ioctl on 64 bit systems for synclink_gt Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08sanitize linux/isdn_divertif.h for userspaceMike Frysinger
the isdn_divertif contains kernel-only references so I've wrapped them in __KERNEL__ and add proper #include statements. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Karsten Keil <kkeil@suse.de> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08/dev/spidevB.C interfaceAndrea Paterniani
Add a filesystem API for <linux/spi/spi.h> stack. The initial version of this interface is purely synchronous. dbrownell@users.sourceforge.net: Cleaned up, bugfixed; much simplified; added preliminary documentation. Works with mdev given CONFIG_SYSFS_DEPRECATED; and presumably udev. Updated SPI_IOC_MESSAGE ioctl to full spi_message semantics, supporting groups of one or more transfers (each of which may be full duplex if desired). This is marked as EXPERIMENTAL with an explicit disclaimer that the API (notably the ioctls) is subject to change. Signed-off-by: Andrea Paterniani <a.paterniani@swapp-eng.it> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Add taskstats.h to kbuildDavid Woodhouse
Add taskstats.h to include/linux/Kbuild, make headers_install would then pickup taskstats.h. This needs to be done as taskstats.h is a user interface header. Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Cc: Don Zickus <dzickus@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Misc: add sensable phantom driverJiri Slaby
Add sensable phantom driver Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08consolidate asm/const.h to linux/const.hRandy Dunlap
Make a global linux/const.h header file instead of having multiple, per-arch files, and convert current users of asm/const.h to use linux/const.h. Built on x86_64 and sparc64. [akpm@linux-foundation.org: fix include/asm-x86_64/Kbuild] Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Delete unused header file linux/awe_voice.hRobert P. J. Day
Delete the unused header file include/linux/awe_voice.h, as well as its corresponding Kbuild entry. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-03KVM: Export <linux/kvm.h>Avi Kivity
This allows users to actually build prgrams that use kvm without the entire source tree. Signed-off-by: Avi Kivity <avi@qumranet.com>
2007-04-25[WIRELESS] cfg80211: New wireless config infrastructure.Johannes Berg
This patch creates the core cfg80211 code along with some sysfs bits. This is a stripped down version to allow mac80211 to function, but doesn't include any configuration yet except for creating and removing virtual interfaces. This patch includes the nl80211 header file but it only contains the interface types which the cfg80211 interface for creating virtual interfaces relies on. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[KBUILD]: Unifdef headers changed by the skb layer header refactoringsArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-12[PATCH] export ufs_fs.h to userspaceMike Frysinger
Was ufs_fs.h purposefully not exported to userspace or did it just slip through the cracks ? assuming the latter scenario, the attached patch touches up the relationship between ufs_fs.h and its sub headers (like ufs_fs_sb.h) so that we can export it ... the silo bootloader takes advantage of this header for example. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] cleanup include/linux/xattr.hAdrian Bunk
- reduce the userspace visible part - fix the in-kernel compilation Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-07USB: <linux/usb_ch9.h> becomes <linux/usb/ch9.h>David Brownell
This moves <linux/usb_ch9.h> to <linux/usb/ch9.h> to reduce some of the clutter of usb header files. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-01-23[NET]: Process include/linux/if_{addr,link}.h with unifdefAdrian Bunk
After commit d3dcc077bf88806201093f86325ec656e4dbfbce, include/linux/if_{addr,link}.h should be processed with unifdef. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-01-23more ftape removalAdrian Bunk
This patch removes some more ftape code. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-22[SCTP]: Don't export include/linux/sctp.h to userspace.Sridhar Samudrala
This file contains protocol definitions and there are no SCTP apps that use this file. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-20PCI: don't export device IDs to userspaceAdrian Bunk
I don't see any good reason for exporting device IDs to userspace. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-12-10[PATCH] Fix noise in futex.hDavid Woodhouse
There are some kernel-only bits in the middle of <linux/futex.h> which should be removed in what we export to userspace. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] Kbuild: add 3 more header files to get properly "unifdef"edRobert P. J. Day
Add 3 more files to get "unifdef"ed when creating sanitized headers with "make headers_install". Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Acked-by: David Woodhouse <dwmw2@infradead.org> Acked-by: "John W. Linville" <linville@tuxdriver.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-03Remove long-unmaintained ftape driver subsystem.Jeff Garzik
It's bitrotten, long unmaintained, long hidden under BROKEN_ON_SMP, etc. As scheduled in feature-removal-schedule.txt, and ack'd several times on lkml. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-02[NET]: The scheduled removal of the frame diverter.Adrian Bunk
This patch contains the scheduled removal of the frame diverter. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-20[PATCH] OOM killer meets userspace headersAlexey Dobriyan
Despite mm.h is not being exported header, it does contain one thing which is part of userspace ABI -- value disabling OOM killer for given process. So, a) create and export include/linux/oom.h b) move OOM_DISABLE define there. c) turn bounding values of /proc/$PID/oom_adj into defines and export them too. Note: mass __KERNEL__ removal will be done later. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-04[MIPS] Remove remaining reference to ite_gpio.h from KbuildDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6: (292 commits) [GFS2] Fix endian bug for de_type [GFS2] Initialize SELinux extended attributes at inode creation time. [GFS2] Move logging code into log.c (mostly) [GFS2] Mark nlink cleared so VFS sees it happen [GFS2] Two redundant casts removed [GFS2] Remove uneeded endian conversion [GFS2] Remove duplicate sb reading code [GFS2] Mark metadata reads for blktrace [GFS2] Remove iflags.h, use FS_ [GFS2] Fix code style/indent in ops_file.c [GFS2] streamline-generic_file_-interfaces-and-filemap gfs fix [GFS2] Remove readv/writev methods and use aio_read/aio_write instead (gfs bits) [GFS2] inode-diet: Eliminate i_blksize from the inode structure [GFS2] inode_diet: Replace inode.u.generic_ip with inode.i_private (gfs) [GFS2] Fix typo in last patch [GFS2] Fix direct i/o logic in filemap.c [GFS2] Fix bug in Makefiles for lock modules [GFS2] Remove (extra) fs_subsys declaration [GFS2/DLM] Fix trailing whitespace [GFS2] Tidy up meta_io code ...
2006-10-04[PATCH] The scheduled removal of some OSS driversAdrian Bunk
This patch contains the scheduled removal of OSS drivers that: - have ALSA drivers for the same hardware without known regressions and - whose Kconfig options have been removed in 2.6.17. [michal.k.k.piotrowski@gmail.com: build fix] Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-04[PATCH] ipc: headers_check fixCedric Le Goater
Fix headers_check #ifdef __KERNEL__ stuff. Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> All-the-fault-of: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-02[GFS2] Remove iflags.h, use FS_Steven Whitehouse
Update GFS2 in the light of David Howells' patch: [PATCH] BLOCK: Move common FS-specific ioctls to linux/fs.h [try #6] 36695673b012096228ebdc1b39a6a5850daa474e which calls the filesystem independant flags FS_..._FL. As a result we no longer need the flags.h file and the conversion routine is moved into the GFS2 source code. Userland programs which used to include iflags.h should now include fs.h and use the new flag names. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-10-02Merge branch 'master' into gfs2Steven Whitehouse
2006-09-28[NET] KBUILD: Add missing entries for new net headers.YOSHIFUJI Hideaki
Add the following for userspace export by the 'headers_include' make target: linux/fib_rules.h, linux/if_addr.h, linux/if_link.h, linux/neighbour.h. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-25[GFS2] Fix up merge of Linus' kernel into GFS2Steven Whitehouse
This fixes up a couple of conflicts when merging up with Linus' latest kernel. This will hopefully allow GFS2 to be more easily merged into forthcoming -mm and FC kernels due to the "one line per header" format now used for the kernel headers. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Conflicts: include/linux/Kbuild include/linux/kernel.h
2006-09-24Remove dead netfilter_logging.h from include/linux/KbuildDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-09-24Merge branch 'master' of ↵David Woodhouse
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
2006-09-24Move several *_SUPER_MAGIC symbols to include/linux/magic.h.Jeff Garzik
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-22Remove offsetof() from user-visible <linux/stddef.h>David Woodhouse
It's not used by anything user-visible, and it make g++ unhappy. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-09-19[GFS2] Export lm_interface to kernel headersFabio Massimo Di Nitto
lm_interface.h has a few out of the tree clients such as GFS1 and userland tools. Right now, these clients keeps a copy of the file in their build tree that can go out of sync. Move lm_interface.h to include/linux, export it to userland and clean up fs/gfs2 to use the new location. Signed-off-by: Fabio M. Di Nitto <fabbione@ubuntu.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-19[HEADERS] One line per header in Kbuild files to reduce conflictsDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-07-05[GFS2] Kbuild update to install correct headersSteven Whitehouse
Now that the headers_instakll target is in Linus' kernel, this update ensures that the correct GFS2/DLM headers are installed. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-07-04Fix up headers_install wrt devfs removalLinus Torvalds
No devfs_fs.h header any more.. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-22Remove <linux/i2c-id.h> and <linux/i2c-algo-ite.h> from userspace exportJean Delvare
Do not export the following i2c header files to user space: * i2c-id.h: These IDs are internal to the kernel and user space does not need them. * i2c-algo-ite.h: The driver is broken and planned for removal, so let's not export it for now. The extra ioctl defined here can be standardized and moved to i2c-core/i2c-dev if really needed. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-06-18Add generic Kbuild files for 'make headers_install'David Woodhouse
This adds the Kbuild files listing the files which are to be installed by the 'headers_install' make target, in generic directories. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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