- 24 Aug, 2004 40 commits
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Stephen D. Smalley authored
This patch restores the proper auditing behavior for the name_bind check. Author: James Morris <jmorris@redhat.com> Signed-off-by:
Stephen Smalley <sds@epoch.ncsc.mil> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Stephen D. Smalley authored
This patch defers setting the inode security state for newly created inodes until after policy has been loaded. Signed-off-by:
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Stephen D. Smalley authored
This patch changes the SELinux flush_unauthorized_files function to also recheck access to the controlling tty and reset it if it is no longer accessible under the new security context. This patch is relative to the selinuxfs devnull patch. Signed-off-by:
James Morris <jmorris@redhat.com> Signed-off-by:
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Stephen D. Smalley authored
This patch adds a null device node to selinuxfs and replaces the SELinux open_devnull() code by simply acquiring a reference to this node each time, based on a comment by Al Viro on lkml (see http://marc.theaimsgroup.com/?l=linux-kernel&m=108664922032035&w=2). Signed-off-by:
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Jeff Mahoney authored
Since the filesystem doesn't explicitly set s->s_maxbytes, seeks will fail beyond 2^32-1, due to s->s_maxbytes being set to the default of MAX_NON_LFS. Attached is the quick one liner fix. Signed-off-by:
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Jeff Mahoney authored
Here are a few fixes for bugs noticed on reiserfs-list or our own bugzilla. Attached is a patch that fixes several problems with xattrs/acls: [SECURITY] Fixes the inode not getting dirtied when mode is set via setxattr() [CORRECTNESS] Fixes the inode not getting ctime updated when an xattr is removed [DATA] Fixes an issue with dcache hash colliding names in the filesystem root caused by the d_compare to hide .reiserfs_priv. The bug can only occur in the filesystem root, which is why we haven't seen many (any, outside of the suse bugzilla, afaik) reports on this. The results are that dcache operations on colliding entries in the fs root will choose the first match rather than the correct entry. Signed-off-by: -
Paul Fulghum authored
Replace syncppp interface with generic HDLC interface. Generic HDLC provides superset of syncppp function. Signed-off-by:
Paul Fulghum <paulkf@microgate.com> Signed-off-by:
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Paul Fulghum authored
Replace syncppp interface with generic HDLC interface. Generic HDLC provides superset of syncppp function. Signed-off-by:
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Paul Fulghum authored
Replace syncppp interface with generic HDLC interface. Generic HDLC provides superset of syncppp function. Signed-off-by:
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Rusty Russell authored
When exporting the module parameters of built-in modules, we need to access the respective struct kernel_parameters. Currently, they're freed at init time, and obviously this can't continue to be done. So, move them out of __init_begin and __init_end and into RODATA in asm-generic/vmlinux.lds.h. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (modified) Signed-off-by:
Dominik Brodowski <linux@brodo.de> Signed-off-by:
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Rusty Russell authored
module_param() and family take a "perms" argument; several people have incorrectly used "644" instead of "0644". (I have a patch which checks for sane perms at compile time, but it bloats modules, so I haven't included it.) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (authored) Signed-off-by:
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Rusty Russell authored
__FIXADDR_TOP and PAGE_OFFSET are hardcoded in various places. I had to change it to run the kernel under qemu-fast, so I wanted to centralize them. To do this, we rename vsyscall.lds to vsyscall.lds.s, and generate it from vsyscall.lds.S. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (created) Signed-off-by:
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Rusty Russell authored
Paul Jackson points out that the sysfs code saves a node's cpumask in the sysfs node, although it can change with CPU hotplug. Don't do this. Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Anton Blanchard authored
Most of the inode slabs are cacheline aligned. This can waste a fair amount of memory, especially on architectures with large cacheline sizes (eg 128 bytes). Alignment has a few advantages. It prevents 2 cpus from accessing 2 data structures in the same cacheline. Since struct inodes are well over a cacheline and there are so many of them, there is little chance we will hit this problem if we remove the alignment. Alignment also ensures the maximum amount of the data structure is in the same cacheline (instead of straddling 2 for example). The large size of struct inode reduces this advantage. With this patch the inode_cache slab goes from 640 bytes to 544 bytes, and the number that fits in a 4kB slab goes from 6 to 7 on ppc64. A number of other inode slabs also see improvements. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Anton Blanchard authored
Reduce size of struct dentry from 248 to 232 bytes on 64bit. - Reduce size of qstr by 8 bytes, placing int hash and int len together. We gain a further 4 byte saving when qstr is used in struct dentry since qstr goes from 24 to 16 bytes and the next member (d_lru) requires 8 byte alignment (which means 4 bytes of padding). - Move d_mounted to the end, since char d_iname[] only requires 1 byte alignment. This reduces struct dentry by another 4 bytes. With these changes the number of objects we can fit into a 4kB slab goes from 16 to 17 on ppc64. Note the above assumes the architecture naturally aligns types. Signed-off-by:
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Anton Blanchard authored
Reduce size of buffer_head from 96 to 88 bytes on 64bit architectures by putting b_count and b_size together. b_count will still be in the first 16 bytes on 32bit architectures, so 16 byte cacheline machines shouldnt be affected. With this change the number of objects per 4kB slab goes up from 40 to 44 on ppc64. Signed-off-by:
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Pavel Machek authored
According to devices.txt, serial ports are reffered as ttyS0 (and not ttyS00). It would be nice to use that convention in printks, too. Signed-off-by:
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Chris Wright authored
Use simple_read_from_buffer in proc_info_read and proc_pid_attr_read. Viro had ack'd this earlier. Signed-off-by:
Chris Wright <chrisw@osdl.org> Signed-off-by:
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Chris Wright authored
Use simple_read_from_buffer. This also eliminates page allocation for the sprintf buffer. Switch to get_zeroed_page instead of open-coding it. Viro had ack'd this earlier. Still applies w/ the transaction update. Signed-off-by:
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Chris Wright authored
Fix typos in security/security.c. From: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: -
Chris Wright authored
Add configure option for setting default SELinux bootparam value. Ack'd by James Morris. Signed-off-by:
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Chris Wright authored
I'd suggest the patch below to let the SECURITY_CAPABILITIES and SECURITY_ROOTPLUG dependencies look a bit more simple. Signed-off-by:
Adrian Bunk <bunk@fs.tum.de> Signed-off-by:
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Christoph Hellwig authored
(from the Debian kernel package) Signed-off-by:
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Christoph Hellwig authored
We don't allow non-ELF kernels since 2.0 days, and surprisingly this is not actually checked anywhere. Signed-off-by:
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Christoph Hellwig authored
This can't happen with a sane filesystem (but is triggered by the buggy clearcase bin only kernel module), so let's better BUG_ON early. Adopted from Al's patch in the RH tree. Signed-off-by:
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Christoph Hellwig authored
- build only if either CONFIG_LEGACY_PTYS or CONFIG_UNIX98_PTYS are set instead of testing in the file - try to keep big CONFIG_LEGACY_PTYS and CONFIG_UNIX98_PTYS ifdef blocks at the end of the file instead of cluttering all over Signed-off-by:
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Jesse Barnes authored
I found that sn_console was missing an include and a fix if CONFIG_SMP=n. This patch fixes up the two small problems I found. Signed-off-by:
Jesse Barnes <jbarnes@sgi.com> Signed-off-by:
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Jesse Barnes authored
People are mainly concerned with showing off their total bogomips, not per-cpu bogomips, so turn it into a KERN_DEBUG message for the benefit of systems with lots of CPUs. Signed-off-by:
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James Morris authored
Below is an updated version of the patch which moves duplicated transaction-based file operation code into libfs. Since the last post, the patch has been through a couple of iterations with Al, who suggested a number of cleanups including locking and interface simplification. For filesystem writers, the interface is now much simpler. The simple_transaction_get() helper should be part of the file op write method. This safely obtains the transaction request data during write(), allocates a page for it and stores it there. The data is returned to the caller for potential further processing, which then makes it available for the next read() call via simple_transaction_set(). See the selinuxfs and nfsctl code for examples of use. Signed-off-by:
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Pawel Sikora authored
Attached patch fix/add several cpu features. refs: [1] Intel Processor Identification and the CPUID instruction Application Note 485. http://developer.intel.ru/download/design/Xeon/applnots/24161826.pdf [2] http://www.sandpile.org/ia32/cpuid.htmSigned-off-by: -
Dave Jones authored
Only print out the ESR value if it changes after enabling vector. Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Ben Leslie authored
When compiling Linux on Mac OSX I had trouble with scripts/sumversion.c. It includes <netinet/in.h> to obtain to definitions of htonl and ntohl. On Mac OSX these are found in <arpa/inet.h>. After checking the POSIX specification it appears that this is the correct place to get the definitons for these functions. (http://www.opengroup.org/onlinepubs/009695399/functions/htonl.html) Using this header also appears to work on Linux (at least with Glibc-2.3.2). It seems clearer to me to go with the POSIX standard than implementing #if __APPLE__ style macros, but if such an approach is preferred I can supply patches for that instead. A patch against 2.6.7 which change <netinet/in.h> -> <arpa/inet.h> is attached. Signed-off-by:
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Brent Casavant authored
It appears there is a nodemask miscalculation in the get_nodes() function in mm/mempolicy.c. This bug has two effects: 1. It is impossible to specify a length 1 nodemask. 2. It is impossible to specify a nodemask containing the last node. The following patch has been confirmed to solve both problems. Signed-off-by:
Brent Casavant <bcasavan@sgi.com> Signed-off-by:
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Michal Ludvig authored
Add a couple more accessors for xstore features. Signed-off-by:
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Paul Jackson authored
fs/smbfs/inode.c: In function `smb_fill_super': fs/smbfs/inode.c:563: warning: comparison is always false due to limited range of data type Unfortunately, this patch uses the notorious "gcc warning suppression by obfuscation" technique. What seems to be going on is that the uid and gid convert macros in include/linux/highuid.h: #define __convert_uid(size, uid) \ (size >= sizeof(uid) ? (uid) : high2lowuid(uid)) only call high2lowuid in the case of trying to put a bigger (32 bit, say) uid/gid in a smaller (16 bit, in this case) word. Gcc is smart enough to see that the comparison in high2lowuid() macro is silly if called with a 16 bit source uid, but not smart enough to understand from the __convert_uid() logic that this is exactly the case that high2lowuid() won't be called. So replace the logical "<" operator with the bit op "&~". This obfuscates things enough to shut gcc up. Only build the half-dozen files that use SET_UID/SET_GID, on arch i386 and ia64. Only the file fs/smbfs/inode.c showed the warning, both arch's, and this patch fixed both. Untested further, past staring at the code long enough to convince myself the change has no actual affect on the code's results. Signed-off-by:Paul Jackson <pj@sgi.com> Signed-off-by:
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Dave Jones authored
arch/i386/mach-generic/summit.c: In function `send_IPI_all': include/asm/mach-summit/mach_ipi.h:4: sorry, unimplemented: inlining failed in call to 'send_IPI_mask_sequence': function body not available arch/i386/mach-generic/summit.c:8: sorry, unimplemented: called from here make[1]: *** [arch/i386/mach-generic/summit.o] Error 1 make: *** [arch/i386/mach-generic] Error 2 arch/i386/mach-generic/bigsmp.c: In function `send_IPI_all': include/asm/mach-bigsmp/mach_ipi.h:4: sorry, unimplemented: inlining failed in call to 'send_IPI_mask_sequence': function body not available arch/i386/mach-generic/bigsmp.c:8: sorry, unimplemented: called from here make[1]: *** [arch/i386/mach-generic/bigsmp.o] Error 1 make: *** [arch/i386/mach-generic] Error 2 arch/i386/mach-generic/es7000.c: In function `send_IPI_all': include/asm/mach-es7000/mach_ipi.h:4: sorry, unimplemented: inlining failed in call to 'send_IPI_mask_sequence': function body not available arch/i386/mach-generic/es7000.c:8: sorry, unimplemented: called from here make[1]: *** [arch/i386/mach-generic/es7000.o] Error 1 make: *** [arch/i386/mach-generic] Error 2 Signed-off-by:
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Pawel Sikora authored
This minor fix is required to proper init "APM emulation" on HP-OmniBooks. (An external patch). "APM emulation" is very useful if you want to use a tool which looks into /proc/apm for getting informations about battery charging. Signed-off-by:
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Josh Aas authored
A patch that reduces bkl usage in do_coredump. I don't see anywhere that it is necessary except for the call to format_corename, which is controlled via sysctl (sys_sysctl holds the bkl). Also make format_corename() static. Signed-off-by:
Josh Aas <josha@sgi.com> Signed-off-by:
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Andi Kleen authored
Fix warnings in es7000. Otherwise gcc 3.3 complains about too large integer values. Signed-off-by:
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Neil Brown authored
This patch adds a 'raid10' module which provides features similar to both raid0 and raid1 in the one array. Various combinations of layout are supported. This code is still "experimental", but appears to work. Signed-off-by:
Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by:
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