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2008-05-23[POWERPC] PS3: Fix memory hotplugGeoff Levand
A change was made to walk_memory_resource() in commit 4b119e21d0c66c22e8ca03df05d9de623d0eb50f that added a check of find_lmb(). Add the coresponding lmb_add() call to ps3_mm_add_memory() so that that check will succeed. This fixes the condition where the PS3 boots up with only the 128 MiB of boot memory, and doesn't see the other 128MiB that is available. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-05-23[XFS] Fix inode list allocation size in writeback.David Chinner
We only need to allocate space for the number of inodes in the cluster when writing back inodes, not every byte in the inode cluster. This reduces the amount of memory needing to be allocated to 256 bytes instead of 64k. SGI-PV: 981949 SGI-Modid: xfs-linux-melb:xfs-kern:31182a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-05-23[XFS] Don't allow memory reclaim to wait on the filesystem in inodeDavid Chinner
writeback If we allow memory reclaim to wait on the pages under writeback in inode cluster writeback we could deadlock because we are currently holding the ILOCK on the initial writeback inode which is needed in data I/O completion to change the file size or do unwritten extent conversion before the pages are taken out of writeback state. SGI-PV: 981091 SGI-Modid: xfs-linux-melb:xfs-kern:31015a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-05-23[XFS] Fix fsync() b0rkage.David Chinner
xfs_fsync() fails to wait for data I/O completion before checking if the inode is dirty or clean to decide whether to log the inode or not. This misses inode size updates when the data flushed by the fsync() is extending the file. Hence, like fdatasync(), we need to wait for I/o completion first, then check the inode for cleanliness. Doing so makes the behaviour of xfs_fsync() identical for fsync and fdatasync and we *always* use synchronous semantics if the inode is dirty. Therefore also kill the differences and remove the unused flags from the xfs_fsync function and callers. SGI-PV: 981296 SGI-Modid: xfs-linux-melb:xfs-kern:31033a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-05-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into ↵Lachlan McIlroy
for-linus
2008-05-23stop_machine: make stop_machine_run more virtualization friendlyChristian Borntraeger
On kvm I have seen some rare hangs in stop_machine when I used more guest cpus than hosts cpus. e.g. 32 guest cpus on 1 host cpu triggered the hang quite often. I could also reproduce the problem on a 4 way z/VM host with a 64 way guest. It turned out that the guest was consuming all available cpus mostly for spinning on scheduler locks like rq->lock. This is expected as the threads are calling yield all the time. The problem is now, that the host scheduling decisings together with the guest scheduling decisions and spinlocks not being fair managed to create an interesting scenario similar to a live lock. (Sometimes the hang resolved itself after some minutes) Changing stop_machine to yield the cpu to the hypervisor when yielding inside the guest fixed the problem for me. While I am not completely happy with this patch, I think it causes no harm and it really improves the situation for me. I used cpu_relax for yielding to the hypervisor, does that work on all architectures? p.s.: If you want to reproduce the problem, cpu hotplug and kprobes use stop_machine_run and both triggered the problem after some retries. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> CC: Ingo Molnar <mingo@elte.hu> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-23doc: add a chapter about trylock functions [Bug 9011]Matti Linnanvuori
Add a chapter about trylock functions. http://bugzilla.kernel.org/show_bug.cgi?id=9011 Signed-off-by: Matti Linnanvuori <mattilinnanvuori@yahoo.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (removed down_trylock)
2008-05-23modules: proper cleanup of kobject without CONFIG_SYSFSDenis V. Lunev
kobject: '<NULL>' (ffffffffa0104050): is not initialized, yet kobject_put() is being called. ------------[ cut here ]------------ WARNING: at /home/den/src/linux-netns26/lib/kobject.c:583 kobject_put+0x53/0x55() Modules linked in: ipv6 nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ide_cd_mod cdrom button [last unloaded: pktgen] comm: rmmod Tainted: G W 2.6.26-rc3 #585 Call Trace: [<ffffffff802359ab>] warn_on_slowpath+0x58/0x7a [<ffffffff80236aca>] ? printk+0x67/0x69 [<ffffffff80236aca>] ? printk+0x67/0x69 [<ffffffff80324289>] kobject_put+0x53/0x55 [<ffffffff8025e2ee>] free_module+0x87/0xfa [<ffffffff8025fee5>] sys_delete_module+0x178/0x1e1 [<ffffffff804b1e70>] ? lockdep_sys_exit_thunk+0x35/0x67 [<ffffffff804b1dff>] ? trace_hardirqs_on_thunk+0x35/0x3a [<ffffffff8020c0bb>] system_call_after_swapgs+0x7b/0x80 ---[ end trace 8f5aafa7f6406cf8 ]--- mod->mkobj.kobj is not initialized without CONFIG_SYSFS. Do not call kobject_put in this case. Signed-off-by: Denis V. Lunev <den@openvz.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-23module loading ELF handling: use SELFMAG instead of numeric constantCyrill Gorcunov
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-22[CPUFREQ] clarify license of freq_table.cDominik Brodowski
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Dave Jones <davej@redhat.com>
2008-05-22[ARM] omap: fix omap clk support build errorsRussell King
arch/arm/plat-omap/clock.c:397: warning: "struct cpufreq_frequency_table" declared inside parameter list arch/arm/plat-omap/clock.c:397: warning: its scope is only this definition or declaration, which is probably not what you want arch/arm/plat-omap/clock.c: In function `clk_init_cpufreq_table': arch/arm/plat-omap/clock.c:402: error: structure has no member named `clk_init_cpufreq_table' arch/arm/plat-omap/clock.c:403: error: structure has no member named `clk_init_cpufreq_table' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix reversed memset arguments Adds username in the upcall key for unattended mounts with keytab [CIFS] Remove redundant NULL check
2008-05-22[CIFS] Fix reversed memset argumentsDave Jones
Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-05-22Adds username in the upcall key for unattended mounts with keytabIgor Mammedov
Signed-off-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-05-22[ARM] 5039/1: S3C244X: Rename SDI device if running on S3C244X.Ben Dooks
Rename the SDI device if on an S3C2440 or S3C2442. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-22[ARM] 5043/1: pxafb: remove unused mode variable in pxafb_init_fbinfoPhilipp Zabel
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-22[ARM] 5041/1: VR1000: Fix DM9000 IRQ flags initialisationBen Dooks
Add the IRQF_TRIGGER_ type to the DM9000 IRQ resource to stop the driver itself complaining it was not given any flags to use. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-22[ARM] 5040/1: BAST: Fix DM9000 IRQ flags initialisationBen Dooks
Add the IRQF_TRIGGER_ type to the DM9000 IRQ resource to stop the driver itself complaining it was not given any flags to use. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-22[ARM] 5038/1: ARM: OMAP: Remove tsc2102 references from board-palmte.cTony Lindgren
As noted by Russell King. These depend on tsc210x drivers getting integrated first. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-22[ARM] 5025/2: fix collie cpu initialisationThomas Kunze
collie.h: * add some meaningfull names to some gpios collie.c: * initialize cpu registers correctly Signed-off-by: Thomas Kunze <thommycheck@gmx.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: The world is not perfect patch. tcp: Make prior_ssthresh a u32 xfrm_user: Remove zero length key checks. net/ipv4/arp.c: Use common hex_asc helpers cassini: Only use chip checksum for ipv4 packets. tcp: TCP connection times out if ICMP frag needed is delayed netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__ af_key: Fix selector family initialization. libertas: Fix ethtool statistics mac80211: fix NULL pointer dereference in ieee80211_compatible_rates mac80211: don't claim iwspy support orinoco_cs: add ID for SpeedStream wireless adapters hostap_cs: add ID for Conceptronic CON11CPro rtl8187: resource leak in error case ath5k: Fix loop variable initializations
2008-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Prevent stack backtrace false positives on trap frames. sparc64: Fix stack tracing through trap frames. sparc64: Fix kernel thread stack termination. sunhv: Fix locking in non-paged I/O case.
2008-05-21sparc64: Prevent stack backtrace false positives on trap frames.David S. Miller
When we fully commit to returning back to kernel mode from a trap, zero out the regs->magic value to prevent false positives during stack backtraces. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-22[CIFS] Remove redundant NULL checkSteve French
Noticed by Coverity checker. Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-05-21sparc64: Fix stack tracing through trap frames.David S. Miller
The offset to the pt_regs area was wrong, so we weren't looking at the right location for the magic cookie. A trap frame is composed of a "struct sparc_stackf" then a "struct pt_regs", the code was using "struct reg_window" instead of "struct sparc_stackf". Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21sparc64: Fix kernel thread stack termination.David S. Miller
Because of the silly way I set up the initial stack for new kernel threads, there is a loop at the top of the stack. To fix this, properly add another stack frame that is copied from the parent and terminate it in the child by setting the frame pointer in that frame to zero. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21net: The world is not perfect patch.Rami Rosen
Unless there will be any objection here, I suggest consider the following patch which simply removes the code for the -DI_WISH_WORLD_WERE_PERFECT in the three methods which use it. The compilation errors we get when using -DI_WISH_WORLD_WERE_PERFECT show that this code was not built and not used for really a long time. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21tcp: Make prior_ssthresh a u32Ilpo Järvinen
If previous window was above representable values of u16, strange things will happen if undo with the truncated value is called for. Alternatively, this could be fixed by some max trickery but that would limit undoing high-speed undos. Adds 16-bit hole but there isn't anything to fill it with. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21xfrm_user: Remove zero length key checks.David S. Miller
The crypto layer will determine whether that is valid or not. Suggested by Herbert Xu, based upon a report and patch by Martin Willi. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-05-21net/ipv4/arp.c: Use common hex_asc helpersDenis Cheng
Here the local hexbuf is a duplicate of global const char hex_asc from lib/hexdump.c, except the hex letters' cases: const char hexbuf[] = "0123456789ABCDEF"; const char hex_asc[] = "0123456789abcdef"; and here to print HW addresses, the hex cases are not significant. Thanks to Harvey Harrison to introduce the hex_asc_hi/hex_asc_lo helpers. Signed-off-by: Denis Cheng <crquan@gmail.com> Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21cassini: Only use chip checksum for ipv4 packets.David S. Miller
According to David Monro, at least with Natsemi Saturn chips the cassini driver has some trouble with ipv6 checksums. Until we have more information about what's going on here, only use the chip checksums for ipv4. This workaround was suggested and tested by David. Update version and release date. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21HTC_EGPIO is ARM-onlyAl Viro
driver uses symbols defined only on ARM Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21provide out-of-line strcat() for m68kAl Viro
Whether we sidestep it in init/main.c or not, such situations will arise again; compiler does generate calls of strcat() on optimizations, so we really ought to have an out-of-line version... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21caiaq endianness fixAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21MODULE_LICENSE expects "GPL v2", not "GPLv2"Al Viro
... and we have few enough places using the latter to make it simpler to do search and replace... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21msnd_* is ISA-onlyAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21missing dependencies on HAS_DMAAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21ocfs2 endianness fixesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21irda-usb endianness annotations and fixesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21sbus bpp: instances missed in s/dev_name/bpp_dev_name/Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21ecryptfs fixesAl Viro
memcpy() from userland pointer is a Bad Thing(tm) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21misc drivers/net endianness noiseAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21thanks to net/mac80211 we need to pull drivers/leds/Kconfig on umlAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21missing export of csum_partial() on uml/amd64Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21uml: add missing exports for UML_RANDOM=mAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21fix hppfs Makefile breakageAl Viro
Fallout from commit 46d7b522ebf486edbd096965d534cc6465e9e309 ("uml: move hppfs_kern.c to hppfs.c") Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21fix include order in sys-i386/registers.cAl Viro
We want sys/ptrace.h before any includes of linux/ptrace.h and asm/user.h pulls the latter. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21missed kmalloc() in pcap_user.cAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-21tcp: TCP connection times out if ICMP frag needed is delayedSridhar Samudrala
We are seeing an issue with TCP in handling an ICMP frag needed message that is received after net.ipv4.tcp_retries1 retransmits. The default value of retries1 is 3. So if the path mtu changes and ICMP frag needed is lost for the first 3 retransmits or if it gets delayed until 3 retransmits are done, TCP doesn't update MSS correctly and continues to retransmit the orginal message until it timesout after tcp_retries2 retransmits. I am seeing this issue even with the latest 2.6.25.4 kernel. In tcp_retransmit_timer(), when retransmits counter exceeds tcp_retries1 value, the dst cache entry of the socket is reset. At this time, if we receive an ICMP frag needed message, the dst entry gets updated with the new MTU, but the TCP sockets dst_cache entry remains NULL. So the next time when we try to retransmit after the ICMP frag needed is received, tcp_retransmit_skb() gets called. Here the cur_mss value is calculated at the start of the routine with a NULL sk_dst_cache. Instead we should call tcp_current_mss after the rebuild_header that caches the dst entry with the updated mtu. Also the rebuild_header should be called before tcp_fragment so that skb is fragmented if the mss goes down. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__Patrick McHardy
Greg Steuck <greg@nest.cx> points out that some of the netfilter headers can't be used in userspace without including linux/types.h first. The headers include their own linux/types.h include statements, these are stripped by make headers-install because they are inside #ifdef __KERNEL__ however. Move them out to fix this. Reported and Tested by Greg Steuck. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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