- 07 Jun, 2008 2 commits
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Graf Yang authored
This is the patch that follows Linus's modification about set_ldisc. Graf has built and tested it on BF537 using Linus's git Tree. Signed-off-by:
Graf Yang <graf.yang@analog.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org>
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Mike Frysinger authored
Signed-off-by:
Mike Frysinger <vapier.adi@gmail.com> Signed-off-by:
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- 03 Jun, 2008 2 commits
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Mike Frysinger authored
Signed-off-by:
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Sonic Zhang authored
Hide difference in head file. Signed-off-by:
Sonic Zhang <sonic.zhang@analog.com> Signed-off-by:
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- 06 Jun, 2008 36 commits
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Oleg Nesterov authored
use_mm() was changed to use switch_mm() instead of activate_mm(), since then nobody calls (and nobody should call) activate_mm() with PF_BORROWED_MM bit set. As Jeff Dike pointed out, we can also remove the "old != new" check, it is always true. Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infinibandLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/ipath: Fix SM trap forwarding IB/ehca: Reject send WRs only for RESET, INIT and RTR state MAINTAINERS: Update NetEffect (iw_nes) entry IB/ipath: Fix device capability flags IB/ipath: Avoid test_bit() on u64 SDMA status value
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: x86/PCI: add workaround for bug in ASUS A7V600 BIOS (rev 1005) PCI/x86: fix up PCI stuff so that PCI_GOANY supports OLPC
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: sound: emu10k1 - fix system hang with Audigy2 ZS Notebook PCMCIA card
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git://git.kernel.org/pub/scm/linux/kernel/git/chrisw/lsm-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/chrisw/lsm-2.6: capabilities: remain source compatible with 32-bit raw legacy capability support. LSM: remove stale web site from MAINTAINERS
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git://git.infradead.org/~dwmw2/mtd-2.6.26Linus Torvalds authored
* git://git.infradead.org/~dwmw2/mtd-2.6.26: [MTD] m25p80.c mutex unlock fix
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David Sterba authored
Packet sending is driven by two flags, tx_ready and tx_queued. It was possible, that there were queued data for sending and hardware was flagged as blocked but in fact it was not. The tx_queued was indicator but should be really a counter else first fragmented packet resets tx_queued flag, but there may be pending packets which do not get sent. New semantics: tx_ready - set, if hw is ready to send packet, no packet is being transferred right now set the flag right at the place where data are copied into hw memory and not earlier without checking if it was succesful tx_queued - count of enqueued packets, including fragments Tested-by:Michal Rokos <michal.rokos@gmail.com> Signed-off-by:
David Sterba <dsterba@suse.cz> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
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Jeff Layton authored
To get zeroed out memory from a particular NUMA node. To be used by sunrpc. Signed-off-by:
Jeff Layton <jlayton@redhat.com> Cc: Christoph Lameter <clameter@sgi.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by:
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Thomas Tuttle authored
Just a quick explanation of the pagemap interface from a userspace point of view, and an example of how to use it (in English, not code). Signed-off-by:
Thomas Tuttle <ttuttle@google.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by:
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Thomas Tuttle authored
If the user tries to read from a position that is not a multiple of 8, or read a number of bytes that is not a multiple of 8, they have passed an invalid argument to read, for the purpose of reading these files. It's not an IO error because we didn't encounter any trouble finding the data they asked for. Signed-off-by:
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Thomas Tuttle authored
Since pagemap is all about examining pages mapped into processes' memory spaces, it makes sense for kpagecount to return the map counts, not the reference counts. Signed-off-by:
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Tim Gardner authored
Adds DMI system identifier for ThinkPad T61. Originally written by Klaus S. Madsen. Taken from http://launchpadlibrarian.net/10864950/hdaps-t61.patchSigned-off-by:
Tim Gardner <tim.gardner@canonical.com> Signed-off-by:
maximilian attems <max@stro.at> Cc: Klaus S. Madsen <ubuntu@hjernemadsen.org> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by:
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Vegard Nossum authored
This patch: commit e9720acd Author: Pavel Emelyanov <xemul@openvz.org> Date: Fri Mar 7 11:08:40 2008 -0800 [NET]: Make /proc/net a symlink on /proc/self/net (v3) introduced a /proc/self/net directory without bumping the corresponding link count for /proc/self. This patch replaces the static link count initializations with a call that counts the number of directory entries in the given pid_entry table whenever it is instantiated, and thus relieves the burden of manually keeping the two in sync. [akpm@linux-foundation.org: cleanup] Acked-by:
Eric W. Biederman <ebiederm@xmission.com> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
Vegard Nossum <vegard.nossum@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: <stable@kernel.org> Signed-off-by:
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David Woodhouse authored
This hooks up the platform-specific [gs]et_rtc_time functions so that kernels using CONFIG_RTC_CLASS have RTC support on most PowerPC platforms. A new driver, and one which we've been shipping in Fedora for a while already, since otherwise RTC support breaks. [akpm@linux-foundation.org: fix Kconfig indenting] Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
Paul Mackerras <paulus@samba.org> Acked-by:
Alessandro Zummo <a.zummo@towertech.it> Acked-by:
David Brownell <david-b@pacbell.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Adrian Bunk authored
This patch fixes the following compile error caused by commit 4016a139 (mm/nommu.c: return 0 from kobjsize with invalid objects): /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/nommu.c: In function 'kobjsize': /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/nommu.c:112: error: 'memory_end' undeclared (first use in this function) /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/nommu.c:112: error: (Each undeclared identifier is reported only once /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/nommu.c:112: error: for each function it appears in.) The patch also removes now no longer required memory_{start,end} declarations inside access_ok(). Reported-by:
Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by:
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Josef Bacik authored
There is a bug when we are trying to verify that the reserve inode's double indirect blocks point back to the primary gdt blocks. The fix is obvious, we need to mod the gdb count by the addr's per block. You can verify this with the following test case dd if=/dev/zero of=disk1 seek=1024 count=1 bs=100M losetup /dev/loop1 disk1 pvcreate /dev/loop1 vgcreate loopvg1 /dev/loop1 lvcreate -l 100%VG loopvg1 -n looplv1 mkfs.ext3 -J size=64 -b 1024 /dev/loopvg1/looplv1 mount /dev/loopvg1/looplv1 /mnt/loop dd if=/dev/zero of=disk2 seek=1024 count=1 bs=50M losetup /dev/loop2 disk2 pvcreate /dev/loop2 vgextend loopvg1 /dev/loop2 lvextend -l 100%VG /dev/loopvg1/looplv1 resize2fs /dev/loopvg1/looplv1 without this patch the resize2fs fails, with it the resize2fs succeeds. Signed-off-by:
Josef Bacik <jbacik@redhat.com> Acked-by:
Andreas Dilger <adilger@sun.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by:
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Pekka Enberg authored
The nommu binfmt code uses ksize() for pointers returned from do_mmap() which is wrong. This converts the call-sites to use the nommu specific kobjsize() function which works as expected. Cc: Christoph Lameter <clameter@sgi.com> Cc: Matt Mackall <mpm@selenic.com> Acked-by:
Paul Mundt <lethal@linux-sh.org> Acked-by:
David Howells <dhowells@redhat.com> Signed-off-by:
Pekka Enberg <penberg@cs.helsinki.fi> Acked-by:
Greg Ungerer <gerg@snapgear.com> Signed-off-by:
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Paul Jackson authored
Provide documentation of the kernel-doc documentation conventions oriented to kernel hackers. Since I figure that there will be more people reading this kernel-doc-nano-HOWTO.txt file who are kernel developers focused on the rest of the kernel, than there will be readers of this file who are documentation developers extracting that embedded kernel-doc documentation, I have taken the liberty of making the new section added here: How to format kernel-doc comments the first section of the kernel-doc-nano-HOWTO.txt file. This first section is intended to introduce, motivate and provide basic usage of the kernel-doc mechanism for kernel hackers developing other portions of the kernel. Signed-off-by:
Paul Jackson <pj@sgi.com> Acked-by:
Randy Dunlap <rdunlap@xenotime.net> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Geoff Levand authored
Frame buffer and mode setting drivers can be built as modules, so fb_mode_option needs to be exported to support these. Prevents this error: ERROR: "fb_mode_option" [drivers/ps3/ps3av_mod.ko] undefined! Signed-off-by:
Geoff Levand <geoffrey.levand@am.sony.com> Acked-by:
Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Alan Cox authored
Signed-off-by:
Alan Cox <alan@redhat.com> Cc: Edward Shishkin <edward.shishkin@gmail.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Chris Mason <chris.mason@oracle.com> Cc: Jan Kara <jack@ucw.cz> Signed-off-by:
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Vegard Nossum authored
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Vegard Nossum authored
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Haavard Skinnemoen authored
I made a change to u-boot that used the FP (Fractional Part) field of BRGR to achieve more accurate baud rate generation. Unfortunately, the atmel_serial driver looks at the whole BRGR register when trying to detect the baud rate that the port is currently running at, so setting FP to a nonzero value breaks the baud rate detection. I'll sit on the u-boot patch for a while longer, but this is clearly a bug in the atmel_serial driver which should be fixed. Signed-off-by:
Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Acked-by:
Andrew Victor <linux@maxim.org.za> Signed-off-by:
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Nick Piggin authored
Lockdep says we can't take tasklist lock or sighand lock inside ctrl_lock. Signed-off-by:
Nick Piggin <npiggin@suse.de> Acked-by:
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Nadia Derbey authored
When posting: [PATCH 1/8] Scaling msgmni to the amount of lowmem (see http://lkml.org/lkml/2008/2/11/171), I have added a KERN_INFO message that is output each time msgmni is recomputed. In http://lkml.org/lkml/2008/4/29/575 Tony Luck complained that this message references an ipc namespace address that is useless. I first thought of using an audit_log instead of a printk, as suggested by Serge Hallyn. But unfortunately, we do not have any other information than the namespace address to provide here too. So I chose to move the message and output it only at boot time, removing the reference to the namespace. Signed-off-by:
Nadia Derbey <Nadia.Derbey@bull.net> Cc: Pierre Peiffer <peifferp@gmail.com> Cc: Manfred Spraul <manfred@colorfullife.com> Acked-by:
Tony Luck <tony.luck@intel.com> Cc: "Serge E. Hallyn" <serue@us.ibm.com> Signed-off-by:
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Nadia Derbey authored
When posting: [PATCH 1/8] Scaling msgmni to the amount of lowmem (see http://article.gmane.org/gmane.linux.kernel/637849/) I changed the MSGPOOL value to make it fit what is said in the man pages (i.e. a size in bytes). But Michael Kerrisk rightly complained that this change could affect the ABI. So I'm posting this patch to make MSGPOOL expressed back in Kbytes. Michael, on his side, has fixed the man page. Signed-off-by:
Michael Kerrisk <mtk.manpages@googlemail.com> Signed-off-by:
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Jan Engelhardt authored
Original report: """I used to force my console to black-on-white by the command `setterm -inversescreen on`. In 2.6.26-rc4, I get lots of black background characters.""" Another addendum to commit c9e587ab. This was previously missed out since I was not aware of what vc_decscnm was for. Signed-off-by:
Jan Engelhardt <jengelh@medozas.de> Reported-by: <thunder7@xs4all.nl> Tested-by: <thunder7@xs4all.nl> Signed-off-by:
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CHIKAMA masaki authored
If cpu specific cpufreq driver(i.e. longrun) has "setpolicy" function, governor object isn't set into cpufreq_policy object at "__cpufreq_set_policy" function in driver/cpufreq/cpufreq.c . This causes a null object access at "store_scaling_setspeed" and "show_scaling_setspeed" function in driver/cpufreq/cpufreq.c when reading or writing through /sys interface (ex. cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed) Addresses: http://bugzilla.kernel.org/show_bug.cgi?id=10654 https://bugzilla.redhat.com/show_bug.cgi?id=443354Signed-off-by:
CHIKAMA Masaki <masaki.chikama@gmail.com> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Chuck Ebbert <cebbert@redhat.com> Acked-by:
Dominik Brodowski <linux@dominikbrodowski.net> Cc: <stable@kernel.org> Signed-off-by:
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Krzysztof Helt authored
The interlaced and double line mode bits should not be copied to new console when the console is switched. Otherwise, the new console may be set to incorrect refresh rate. Also, the x and y offsets does not need to be copied. Signed-off-by:
Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by:
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Daniel Walker authored
This semaphore doesn't appear to be used, so remove it. Signed-off-by:
Daniel Walker <dwalker@mvista.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by:
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Lai Jiangshan authored
Adding a nonexistent cpu to a cpuset will be omitted quietly. It should return -EINVAL. Example: (real_nr_cpus <= 4 < NR_CPUS or cpu#4 was just offline) # cat cpus 0-1 # /bin/echo 4 > cpus # /bin/echo $? 0 # cat cpus # The same occurs when add a nonexistent mem. This patch will fix this bug. And when *buf == "", the check is unneeded. Signed-off-by:
Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by:
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Thomas Tuttle authored
Fix a bug in add_to_pagemap. Previously, since pm->out was a char *, put_user was only copying 1 byte of every PFN, resulting in the top 7 bytes of each PFN not being copied. By requiring that reads be a multiple of 8 bytes, I can make pm->out and pm->end u64*s instead of char*s, which makes put_user work properly, and also simplifies the logic in add_to_pagemap a bit. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Pavel Emelyanov authored
Consider you added a 'c foo:bar r' permission to some cgroup and then (a bit later) 'c'foo:bar w' for it. After this you'll see the c foo:bar r c foo:bar w lines in a devices.list file. Another example - consider you added 10 'c foo:bar r' permissions to some cgroup (e.g. by mistake). After this you'll see 10 c foo:bar r lines in a list file. This is weird. This situation also has one more annoying consequence. Having many items in a white list makes permissions checking slower, sine it has to walk a longer list. The proposal is to merge permissions for items, that correspond to the same device. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Acked-by:
Serge Hallyn <serue@us.ibm.com> Signed-off-by:
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Pavel Emelyanov authored
Currently even if a task sits in an all-denied cgroup it can still mount any block device in any mode it wants. Put a proper check in do_open for block device to prevent this. Signed-off-by:
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Pavel Emelyanov authored
Two functions, that need to get a device_cgroup from a task (they are devcgroup_inode_permission and devcgroup_inode_mknod) make it in a strange way: They get a css_set from task, then a subsys_state from css_set, then a cgroup from the state and then a subsys_state again from the cgroup. Besides, the devices_subsys_id is read from memory, whilst there's a enum-ed constant for it. Optimize this part a bit: 1. Get the subsys_stats form the task and be done - no 2 extra dereferences, 2. Use the device_subsys_id constant, not the value from memory (i.e. one less dereference). Found while preparing 2.6.26 OpenVZ port. Signed-off-by:
Paul Menage <menage@google.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: James Morris <jmorris@namei.org> Cc: Chris Wright <chrisw@sous-sol.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by:
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Pavel Emelyanov authored
This is just picking the container_of out of cgroup_to_devcgroup into a separate function. This new css_to_devcgroup will be used in the 2nd patch. Signed-off-by:
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