- 24 Aug, 2004 40 commits
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bk://ppc.bkbits.net/for-linus-ppcLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Jens Axboe authored
Forgot one command, GPCMD_SEND_CUE_SHEET is also ok for write open. Signed-off-by:
Jens Axboe <axboe@suse.de> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Alexander Viro authored
If tty_open() fails for a normal serial device, we end up doing cleanups that should only happen for failed open of /dev/ptmx. The results are not pretty - devpts et.al. end up very confused. That's what gave problems with ptmx. This splits ptmx file_operations from the normal case and cleans up both tty_open() and (new) ptmx_open(). Survived serious beating.
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William Lee Irwin III authored
Update architectures for the free_area_init_node() API change. Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Trond Myklebust authored
That conversion to nfs_fh_copy() is bogus since we're not copying into an nfs_fh anyway. Just revert it.
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Adrian Bunk authored
The patch below replaces all occurences of two bouncing email addresses of Alex deVries in the kernel with his current address. It's already ACK'ed by Alex deVries. Signed-off-by:
Adrian Bunk <bunk@fs.tum.de> Signed-off-by:
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Dave Jones authored
Describe what the Intel cache descriptors actually mean in comments. Taken from 24151827.pdf. Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Arjan van de Ven authored
The patch below fixes an interesting oddity we're seeing with fedora core development (where we recently started using udev heavily); basically right now filelock_init() is a module_init(), eg runs late. However that breaks down because there are earlier /sbin/hotplug callouts, which with udev, do locking operations. When that happens the kernel oopses because the slabs for file locks aren't initialized yet. Solution: initialize this way early. It's only a kmem_cache_create after all, so can happen early. Signed-off-by:
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Olaf Hering authored
This entry was removed during 2.5 development. Signed-off-by:
Olaf Hering <olh@suse.de> Signed-off-by:
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Olaf Hering authored
This entry is long gone, even 2.4 doesnt have it anymore. Signed-off-by:
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Christoph Hellwig authored
ncfpfs seems to update inode times by hand everywhere instead of using the proper helpers. This means: - the atime updates in mmap() and read() seems to miss various checks upodate_atime or one of the wrappers does. Also it doesn't mark the inode dirty. - in write() you update mtime and _a_time instead of ctime as expected, also the usual checks and optimizations are missing. In addition the fops contain some bogus checks like for a refular file (but the fops are only used of ISREG files) and inode->i_sb although that is guranteed to be non-zero. Signed-off-by:
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Akinobu Mita authored
The patch below enable to display the size of Active/Inactive pages on per-node meminfo (/sys/devices/system/node/node%d/meminfo) like /proc/meminfo. By a little change to procps, "vmstat -a" can show these statistics about particular node. From: mita akinobu <amgta@yacht.ocn.ne.jp> get_zone_counts() is used by max_sane_readahead(), and max_sane_readahead() is often called in filemap_nopage(). Signed-off-by:
Akinobu Mita <amgta@yacht.ocn.ne.jp> Signed-off-by:
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Tim Schmielau authored
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Theodore Y. Ts'o authored
Recently, someone has kvetched that RNDGETPOOL is a "security vulnerability". Never mind that it is superuser only, and with superuser privs you could load a nasty kernel module, or read the entropy pool out of /dev/mem directly, but they are nevertheless still spreading FUD. In any case, no one is using it (it was there for debugging purposes only), so we can remove it as dead code. Signed-off-by:
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Theodore Y. Ts'o authored
This patch adds a separate pool for use with /dev/urandom. This prevents a /dev/urandom read from being able to completely drain the entropy in the /dev/random pool, and also makes it much more difficult for an attacker to carry out a state extension attack. Signed-off-by:
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Theodore Y. Ts'o authored
This adds a pool name to the entropy_store data structure, which simplifies the debugging code, and makes the code more generic for adding additional entropy pools. Signed-off-by:
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Theodore Y. Ts'o authored
Based on reports from Ingo's Latency Tracer that the TCP sequence number rekey code is causing latency problems, I've moved the sequence number rekey to be done out of a workqueue. Signed-off-by:
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Andrew Morton authored
Marcelo points out that this function's main caller already memsets the structure, so avoid doing it again. Also, an earlier knfsd patch withdrew file_ra_state_init()'s other caller, so unexport this function. Signed-off-by:
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Ramón Rey Vicente authored
The author and maintainer of the firmware loader died in May. Signed-off-by:
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Thorsten Knabe authored
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Diego Calleja García authored
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Hirofumi Ogawa authored
From: Christoph Hellwig <hch@lst.de> There's two callers: - the truncate path via notify_change, ->setattr, vmtruncate. We already check for permissions here at the upper level - fat_delete_inode. This one looks bogus to me - even if we delete an read-only or immutable inode we want to free the space allocated by it, else you leak disk blocks. Signed-off-by:
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by:
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Ramón Rey Vicente authored
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Olaf Kirch authored
We received a bug report that /proc/PID/cmdline only shows argv[0] if the total length of all arguments exceeds PAGE_SIZE. The problem is that proc_pid_cmdline checks for the presence of a NUL byte at the end of the args list, and assumes that the application did a setproctitle if there's any other character. OTOH proc_pid_cmdline will read just the first PAGE_SIZE worth of arguments at most, and if you have more arguments, it's quite likely that there won't be a NUL byte at offset PAGE_SIZE-1. The attached patch fixes this. Signed-off-by:
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Zachary Amsden authored
The TSS no longer needs to be unbusied before loading the task register, since the set_tss_desc macros set the system gate type to Available IA-32 TSS. This obscure, uncommented legacy code can now be removed for better readability and saves 20 bytes of code space. Signed-off-by:
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Kurt Garloff authored
When using bounce buffers for SG_IO commands with unaligned buffers in blk_rq_map_user(), we should free the pages from blk_rq_unmap_user() which calls bio_uncopy_user() for the non-BIO_USER_MAPPED case. That function failed to free the pages for write requests. So we leaked pages and you machine would go OOM. Rebooting helped ;-) This bug was triggered by writing audio CDs (but not on data CDs), as the audio frames are not aligned well (2352 bytes), so the user pages don't just get mapped. Bug was reported by Mathias Homan and debugged by Chris Mason + me. (Jens is away.) From: Chris Mason <mason@suse.com> Fix the leak for real Signed-off-by:
Kurt Garloff <garloff@suse.de> Signed-off-by:
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Martin Schwidefsky authored
From: Heiko Carstens <heiko.carstens@de.ibm.com> From: Andreas Herrmann <aherrman@de.ibm.com> From: Maxim Shchetynin <maxim@de.ibm.com> zfcp host adapter changes: - Use predefined macro to create in_recovery sysfs attributes. - Add function to check CT_IU response. - Fix handling of rejected ELS commands. - Change return value of zfcp_fsf_req_sbal_get to -ERESTARTSYS in some cases. - Return proper error code if control file upload/download failed. - Remove dead code. - Avoid sparse warnings. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
From: Jan Glauber <jan.glauber@de.ibm.com> From: Martin Schwidefsky <schwidefsky@de.ibm.com> s390 core changes: - Use copy_siginfo_from_user32 instead of copy_from_user to get the siginfo structure in sys32_rt_sigqueueinfo. - Remove prototype for non-existant stop_timers function. - Regenerate default configuration. Signed-off-by:
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Rusty Russell authored
From: Arjan van de Ven <arjanv@redhat.com> The patch below sets the tainted sysctl file to read only, otherwise userspace can just overwrite/reset it. Signed-off-by:
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Pavel Machek authored
This patch is thanks to pavouk. Signed-off-by:
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Pavel Machek authored
Coding style document is not consistent with itself on whether there should be space after ","... This makes it standardize on ", " option. Signed-off-by:
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Eric W. Biederman authored
The ramdisk_blocksize option has been broken for quite a while in 2.6. Making an initrd with a 4K ext2 filesystem impossible to use. After digging into this, the problem turned out to that rd.c was not setting the hard sector size. There were a few secondary problems like i_blkbits was not being set, and the number KiB in uncompressed ext2 images was not taking into account the block size. I have also corrected the surrounding comments as they were not just incorrect but misleading. Signed-off-by:
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Olaf Hering authored
For some reasons ls -l /proc/$$/exe doesnt work all time for me, with 2.6.8.1 on ppc64. Sometimes it does, sometimes not. No pattern. A few printks show that this check in proc_pid_readlink() triggers an -EACCES: current->fsuid != inode->i_uid proc_pid_readlink(755) error -13 ntptrace(11408) fsuid 100 i_uid 0 0 sys_readlink(281) ntptrace(11408) error -13 readlink Signed-off-by:
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Cornelia Huck authored
The drivers under drivers/media/dvb/ttpci depend on pci (especially since they select VIDEO_SAA7146, which depends on pci). Signed-off-by:
Cornelia Huck <kernel@cornelia-huck.de> Signed-off-by:
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Maximilian Attems authored
Signed-off-by:
Maximilian Attems <janitor@sternwelten.at> Signed-off-by:
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James Morris authored
The patch below reduces kernel memory used by SELinux policy rules by about 37% on 64-bit systems. This is because the size of struct avtab_node is 40 bytes on 64-bit, and defaults to a size-64 slab. Creating a slab cache specifically for these structs saves considerable amounts of kernel memory on 64-bit systems with large rulesets. 'Strict' policy has over 300k rules, while 'targeted' policy has around 3k rules. Here's the slabtop output with 64 and 40 byte sized slabs to show the memory savings, for strict policy: 303475 303447 99% 0.06K 4975 61 19900K avtab_node 303456 303447 99% 0.04K 3161 96 12644K avtab_node Also, there are 57% more objects per slab. Signed-off-by:
James Morris <jmorris@redhat.com> Signed-off-by:
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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:
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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:
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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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