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* Unify sys_mmap*Al Viro2009-12-11
| | | | | | | New helper - sys_mmap_pgoff(); switch syscalls to using it. Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* sysctl: mips Use the compat_sys_sysctlEric W. Biederman2009-11-06
| | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for mips to implement it's own. Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* MIPS: 64-bit: Fix o32 lookup_dcookie syscallWu Zhangjin2009-11-02
| | | | | | | | | | An o32 aplication passes a 64-bit value in a pair of registers; a 64-bit kernel expects a 64-bit argument in a single register. Signed-off-by: Chen Jie <chenj@lemote.com> Signed-off-by: Hu Hongbing <huhb@lemote.com> Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Compat: Zero upper 32-bit of offset_high and offset_low.Ralf Baechle2009-03-30
| | | | | | | | | Through sys_llseek() arguably should do exactly that it doesn't which means llseek(2) will fail for o32 processes if offset_low has bit 31 set. As suggested by Heiko Carstens. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2009-03-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (37 commits) fs: avoid I_NEW inodes Merge code for single and multiple-instance mounts Remove get_init_pts_sb() Move common mknod_ptmx() calls into caller Parse mount options just once and copy them to super block Unroll essentials of do_remount_sb() into devpts vfs: simple_set_mnt() should return void fs: move bdev code out of buffer.c constify dentry_operations: rest constify dentry_operations: configfs constify dentry_operations: sysfs constify dentry_operations: JFS constify dentry_operations: OCFS2 constify dentry_operations: GFS2 constify dentry_operations: FAT constify dentry_operations: FUSE constify dentry_operations: procfs constify dentry_operations: ecryptfs constify dentry_operations: CIFS constify dentry_operations: AFS ...
| * generic compat_sys_ustatChristoph Hellwig2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to a different size of ino_t ustat needs a compat handler, but currently only x86 and mips provide one. Add a generic compat_sys_ustat and switch all architectures over to it. Instead of doing various user copy hacks compat_sys_ustat just reimplements sys_ustat as it's trivial. This was suggested by Arnd Bergmann. Found by Eric Sandeen when running xfstests/017 on ppc64, which causes stack smashing warnings on RHEL/Fedora due to the too large amount of data writen by the syscall. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | MIPS: compat: Remove duplicated #includeHuang Weiyi2009-03-23
|/ | | | | | | Remove duplicated #include in arch/mips/kernel/linux32.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Fix build of non-CONFIG_SYSVIPC version of sys_32_ipcXiaotian Feng2009-03-11
| | | | | Signed-off-by: Xiaotian Feng <xiaotian.feng@windriver.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: CVE-2009-0029: Enable syscall wrappers.Ralf Baechle2009-02-27
| | | | | | | Thanks to David Daney helping with debugging and testing. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David Daney <ddaney@caviumnetworks.com>
* compat: generic compat get/settimeofdayChristoph Hellwig2008-10-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Nothing arch specific in get/settimeofday. The details of the timeval conversion varied a little from arch to arch, but all with the same results. Also add an extern declaration for sys_tz to linux/time.h because externs in .c files are fowned upon. I'll kill the externs in various other files in a sparate patch. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: David S. Miller <davem@davemloft.net> [ sparc bits ] Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* compat: move cp_compat_stat to common codeChristoph Hellwig2008-10-16
| | | | | | | | | | | | | | | | | | | struct stat / compat_stat is the same on all architectures, so cp_compat_stat should be, too. Turns out it is, except that various architectures have slightly and some high2lowuid/high2lowgid or the direct assignment instead of the SET_UID/SET_GID that expands to the correct one anyway. This patch replaces the arch-specific cp_compat_stat implementations with a common one based on the x86-64 one. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: David S. Miller <davem@davemloft.net> [ sparc bits ] Acked-by: Kyle McMartin <kyle@mcmartin.ca> [ parisc bits ] Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove unused #include <linux/dirent.h>'sAdrian Bunk2008-07-25
| | | | | | | | | Remove some unused #include <linux/dirent.h>'s. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [MIPS] 32-bit compat: Delete unused sys_truncate64 and sys_ftruncate64.Ralf Baechle2008-07-20
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] compat: handle argument endianess of sys32_(f)truncate64 with merge_64Ralf Baechle2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* remove include/asm-*/ipc.hAdrian Bunk2007-10-17
| | | | | | | | | | | | All asm/ipc.h files do only #include <asm-generic/ipc.h>. This patch therefore removes all include/asm-*/ipc.h files and moves the contents of include/asm-generic/ipc.h to include/linux/ipc.h. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [MIPS] checkfiles: Fix "need space after that ','" errors.Ralf Baechle2007-10-11
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix "no space between function name and open parenthesis" warnings.Ralf Baechle2007-10-11
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Wire up the fallocate syscall.Ralf Baechle2007-07-31
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Replace __attribute_used__ with __usedDavid Rientjes2007-07-24
| | | | | | | | | Replaces the deprecated __attribute_used__ with __used. Also makes some style adjustments to abide by the kernel coding conventions. Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix some system calls with long long argumentsAtsushi Nemoto2007-06-06
| | | | | | | | | | * O32 fadvise64() pass long long arguments by register pairs. Add sys32 version for 64 bit kernel. * N32 readahead() can pass a long long argument by one register. No need to use sys32_readahead. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Compat: Fix build if CONFIG_SYSVIPC is disabled.Ralf Baechle2007-03-16
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] Add epoll compat_ code to fs/compat.cDavide Libenzi2007-03-08
| | | | | | | | | | | | | | | | | | | | | | | | IA64 and ARM-OABI are currently using their own version of epoll compat_ code. An architecture needs epoll_event translation if alignof(u64) in 32 bit mode is different from alignof(u64) in 64 bit mode. If an architecture needs epoll_event translation, it must define struct compat_epoll_event in asm/compat.h and set CONFIG_HAVE_COMPAT_EPOLL_EVENT and use compat_sys_epoll_ctl and compat_sys_epoll_wait. All 64 bit architecture should use compat_sys_epoll_pwait. [sfr: restructure and move to fs/compat.c, remove MIPS version of compat_sys_epoll_pwait, use __put_user_unaligned] Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [MIPS] Replace sys32_timer_create with the generic compat_sys_timer_create.Ralf Baechle2007-03-04
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Replace sys32_socketcall with the generic compat_sys_socketcall.Ralf Baechle2007-03-04
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] N32 waitid is the same as o32.Ralf Baechle2007-03-04
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix sigset_t endianess swapping issues in 32-bit compat code.Ralf Baechle2007-02-13
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] Common compat_sys_sysinfoKyle McMartin2007-02-11
| | | | | | | | | | | | | | | | I noticed that almost all architectures implemented exactly the same sys32_sysinfo... except parisc, where a bug was to be found in handling of the uptime. So let's remove a whole whack of code for fun and profit. Cribbed compat_sys_sysinfo from x86_64's implementation, since I figured it would be the best tested. This patch incorporates Arnd's suggestion of not using set_fs/get_fs, but instead extracting out the common code from sys_sysinfo. Cc: Christoph Hellwig <hch@infradead.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [MIPS] Whitespace cleanups.Ralf Baechle2007-02-06
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix N32 SysV IPC routinesAtsushi Nemoto2007-01-10
| | | | | | | | | | | | Add wrappers for N32 msg{snd,rcv}. compat_sys_msg{snd,rcv} can not not be used as system call entries as is. This fix is based on Kaz Kylheku's patch. Also change a type of last argument of sysn32_semctl to match its true size. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Use SYSVIPC_COMPAT to fix various problems on N32Atsushi Nemoto2006-12-04
| | | | | | | | | | | | | | N32 SysV IPC system calls should use 32-bit compatible code. arch/mips/kernel/linux32.c have similar compatible code for O32, but ipc/compat.c seems more complete. We can use it for both N32 and O32. This patch should fix these problems (and other possible problems): http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=1149188824.6986.6.camel%40diimka-laptop http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=44C6B829.8050508%40caviumnetworks.com Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix O32 personality(2) call with 0xffffffff argument.Thiemo Seufer2006-10-19
| | | | | | | | | A sign extension bug did result in sys_personality being invoked with a 0xffffffffffffffffUL argument, so querying the current personality didn't work. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbersDavid Howells2006-10-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These patches make the kernel pass 64-bit inode numbers internally when communicating to userspace, even on a 32-bit system. They are required because some filesystems have intrinsic 64-bit inode numbers: NFS3+ and XFS for example. The 64-bit inode numbers are then propagated to userspace automatically where the arch supports it. Problems have been seen with userspace (eg: ld.so) using the 64-bit inode number returned by stat64() or getdents64() to differentiate files, and failing because the 64-bit inode number space was compressed to 32-bits, and so overlaps occur. This patch: Make filldir_t take a 64-bit inode number and struct kstat carry a 64-bit inode number so that 64-bit inode numbers can be passed back to userspace. The stat functions then returns the full 64-bit inode number where available and where possible. If it is not possible to represent the inode number supplied by the filesystem in the field provided by userspace, then error EOVERFLOW will be issued. Similarly, the getdents/readdir functions now pass the full 64-bit inode number to userspace where possible, returning EOVERFLOW instead when a directory entry is encountered that can't be properly represented. Note that this means that some inodes will not be stat'able on a 32-bit system with old libraries where they were before - but it does mean that there will be no ambiguity over what a 32-bit inode number refers to. Note similarly that directory scans may be cut short with an error on a 32-bit system with old libraries where the scan would work before for the same reasons. It is judged unlikely that this situation will occur because modern glibc uses 64-bit capable versions of stat and getdents class functions exclusively, and that older systems are unlikely to encounter unrepresentable inode numbers anyway. [akpm: alpha build fix] Signed-off-by: David Howells <dhowells@redhat.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] namespaces: utsname: switch to using uts namespacesSerge E. Hallyn2006-10-02
| | | | | | | | | | | | | | | | | | | | | Replace references to system_utsname to the per-process uts namespace where appropriate. This includes things like uname. Changes: Per Eric Biederman's comments, use the per-process uts namespace for ELF_PLATFORM, sunrpc, and parts of net/ipv4/ipconfig.c [jdike@addtoit.com: UML fix] [clg@fr.ibm.com: cleanup] [akpm@osdl.org: build fix] Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Cc: Kirill Korotaev <dev@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Andrey Savochkin <saw@sw.ru> Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sysctl: Allow /proc/sys without sys_sysctlEric W. Biederman2006-09-27
| | | | | | | | | | | Since sys_sysctl is deprecated start allow it to be compiled out. This should catch any remaining user space code that cares, and paves the way for further sysctl cleanups. [akpm@osdl.org: If sys_sysctl() is not compiled-in, emit a warning] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [MIPS] TLS: Delete unused sys32_set_thread_areaRalf Baechle2006-09-27
| | | | | | There is no need for a compat version. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-30
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PATCH] fix mips sys32_p{read,write}Al Viro2006-04-26
| | | | | | | | | | Switched to use of sys_pread64()/sys_pwrite64() rather than keep duplicating their guts; among the little things that had been missing there were such as ret = security_file_permission (file, MAY_READ); Gotta love the LSM robustness, right? Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [MIPS] Wire up sync_file_range(2).Ralf Baechle2006-04-18
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] consolidate sys32/compat_adjtimexStephen Rothwell2006-03-26
| | | | | | | | | | Create compat_sys_adjtimex and use it an all appropriate places. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] create struct compat_timex and use it everywhereStephen Rothwell2006-03-26
| | | | | | | | | | | | | | We had a copy of the compatibility version of struct timex in each 64 bit architecture. This patch just creates a global one and replaces all the usages of the old ones. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Acked-by: Tony Luck <tony.luck@intel.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [MIPS] sys_mmap2 offset argument should always be shifted 12, not PAGE_SHIFT.H. Peter Anvin2006-03-21
| | | | | | | | | | | This patch adjusts the offset argument passed into sys_mmap2 to be always shifted 12, even when the native page size isn't 4K. This is what all existing userspace libraries expect. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
* [MIPS] Further sparsification for 32-bit compat code.Atsushi Nemoto2006-03-21
| | | | | Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Delete unused sys32_waitpid.Ralf Baechle2006-03-21
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Use generic compat routines for readdir, getdentsAtsushi Nemoto2006-02-27
| | | | | | | Not just cleanup but also fixes O32 readdir(2) emulation. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] N32: Make sure pointer is good before passing it to sys_waitid().Ralf Baechle2006-02-21
| | | | | | After all we're calling sys_waitid() with fs set to KERNEL_DS ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] N32: Fix N32 rt_sigtimedwait and rt_sigsuspend breakage.Ralf Baechle2006-02-21
| | | | | | | Originally found through an oops in the Gentoo N32 userland build; patch based on original patch by Daniel Jacobwitz. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Relax the rw_verify_area() error checking.Linus Torvalds2006-01-04
| | | | | | | | | | | | | | | In particular, allow over-large read- or write-requests to be downgraded to a more reasonable range, rather than considering them outright errors. We want to protect lower layers from (the sadly all too common) overflow conditions, but prefer to do so by chopping the requests up, rather than just refusing them outright. Cc: Peter Anvin <hpa@zytor.com> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Andi Kleen <ak@suse.de> Cc: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* NPTL, round one.Ralf Baechle2005-10-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* 32-bit compatibility for various timer-related system calls.Ralf Baechle2005-10-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Implement 32-bit compatibility for waitid(2).Ralf Baechle2005-10-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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