- 25 Oct, 2007 17 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6Linus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: [netdrvr] forcedeth: add MCP77 device IDs rndis_host: reduce MTU instead of refusing to talk to devices with low max packet size cpmac: update to new fixed phy driver interface cpmac: convert to napi_struct interface cpmac: use print_mac() instead of MAC_FMT natsemi: fix oops, link back netdevice from private-struct ehea: fix port_napi_disable/enable bonding/bond_main.c: fix cut'n'paste error make bonding/bond_main.c:bond_deinit() static drivers/net/ipg.c: cleanups remove Documentation/networking/net-modules.txt
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git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: mark CONFIG_FAIR_GROUP_SCHED as !EXPERIMENTAL sched: isolate SMP balancing code a bit more sched: reduce balance-tasks overhead sched: make cpu_shares_{show,store}() static sched: clean up some control group code sched: constify sched.h sched: document profile=sleep requiring CONFIG_SCHEDSTATS sched: use show_regs() to improve __schedule_bug() output sched: clean up sched_domain_debug() sched: fix fastcall mismatch in completion APIs sched: fix sched_domain sysctl registration again
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Ram Gupta authored
This patch fixes the c_entry_count counter of the mbcache. Currently it increments the counter first & allocate the cache entry later. In case of failure to allocate the entry due to insufficient memory this counter is still left incremented. This patch fixes this anomaly. Signed-off-by:
Ram Gupta <ram.gupta5@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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David Howells authored
Fix pointer mismatches in proc_sysctl.c. The proc_handler() method returns a size_t through an arg pointer, but is given a pointer to a ssize_t to return into. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Jeff Garzik authored
The __deprecated marker is quite useful in highlighting the remnants of old APIs that want removing. However, it is quite normal for one or more years to pass, before the (usually ancient, bitrotten) code in question is either updated or deleted. Thus, like __must_check, add a Kconfig option that permits the silencing of this compiler warning. This change mimics the ifdef-ery and Kconfig defaults of MUST_CHECK as closely as possible. Signed-off-by:
Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
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Linus Torvalds authored
This fixes some totally illogical and wrong code that converts things to and from BCD mode essentially randomly, does math on values in BCD mode etc etc. Introduce a few helper functions to make it a bit more obvious what is going on, and make sure that we always do all the arithmetic (and anythign else, for that matter) in binary, not BCD. Tested by Mark Lord, who found the problem originally, and also pushed the patch back and reminded me about it. Signed-off-by:
Mark Lord <mlord@pobox.com> Signed-off-by:
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Ayaz Abdulla authored
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Thomas Sailer authored
This patch makes the host RNDIS driver talk to RNDIS devices with an MTU less than 1.5k, instead of refusing to talk to such a device. Signed-Off-by:
Thomas Sailer <t.sailer@alumni.ethz.ch> Acked-by:
David Brownell <dbrownell@users.sourceforge.net> -- Hi Jeff, are you the right person to send this to? Nobody else seems to be wanting to forward this to Linus... Thanks, Tom Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Eugene Konev authored
Use fixed_mdio_get_phydev for obtaining fixed phy instances and adopt to changed fixed phy device naming. Signed-off-by:
Eugene Konev <ejka@imfi.kspu.ru> Signed-off-by:
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Eugene Konev authored
Convert cpmac to new napi_struct API introduced by bea3348e [NET]: Make NAPI polling independent of struct net_device objects. Only disable rx interrupts if napi actually has been scheduled. Signed-off-by:
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Eugene Konev authored
Switch to using DECLARE_MAC_BUF/print_mac() added by commit 0795af57 [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF(). Signed-off-by:
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Ingo Molnar authored
* Andrew Nelless <andrew@nelless.net> wrote: > Hi, > > I booted up 2.6.24-rc1 this morning [Real early over a brew ;-)] and > was having a problems with multiple ~5 second hangs on SATA/drive init > (Something to do with "EH" something-or-other and resets but I'll > email in separately about it later unless its fixed by the time I get > the chance). > > Anyway, I went to fire up netconsole to get a decent log dump and hit > across the following nasty. Netconsole works fine in 2.6.23.1 with a > similar config and the same kernel parameters. > > A shot of the screen is the only method I could come up with to > capture the log, I hope that is OK, it is pretty readable. > > > The nasty: > http://andotnet.nfshost.com/linux/2.6.24-rc1-netconsole-nullderef.jpg the NULL dereference is here: (gdb) list *0xffffffff804a9504 0xffffffff804a9504 is in natsemi_poll (drivers/net/natsemi.c:717). 712 return count; 713 } 714 715 static inline void __iomem *ns_ioaddr(struct net_device *dev) 716 { 717 return (void __iomem *) dev->base_addr; 718 } 719 which is this code from natsemi.c: 2227 struct net_device *dev = np->dev; 2228 void __iomem * ioaddr = ns_ioaddr(dev); 2229 int work_done = 0; seems like the NAPI changes in -rc1 added an np->dev field but forgot to initialize it ... does the patch below fix the oops for you? Ingo --------------------> Subject: natsemi: fix oops, link back netdevice from private-struct From: Ingo Molnar <mingo@elte.hu> this commit: commit bea3348e Author: Stephen Hemminger <shemminger@linux-foundation.org> Date: Wed Oct 3 16:41:36 2007 -0700 [NET]: Make NAPI polling independent of struct net_device objects. added np->dev to drivers/net/natsemi.c's struct netdev_private, but forgot to initialize that new field upon driver init. The result was a predictable NULL dereference oops the first time the hardware generated an interrupt. Reported-by:
Andrew Nelless <andrew@nelless.net> Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Jan-Bernd Themann authored
napi_disable / napi_enable must be applied on all ehea queues. Signed-off-by:
Jan-Bernd Themann <themann@de.ibm.com> Signed-off-by:
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Adrian Bunk authored
This patch fixes a cut'n'paste error in commit 1b76b316. Signed-off-by:
Adrian Bunk <bunk@kernel.org> Signed-off-by:
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Adrian Bunk authored
bond_deinit() can now become static. Signed-off-by:
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Adrian Bunk authored
This patch contains the following cleanups: - make ipg_nic_get_stats() static - move DefaultPhyParam[] from ipg.h to ipg.c and make it static Signed-off-by:
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Adrian Bunk authored
According to git, the only one who touched this file during the last 5 years was me when removing drivers... modinfo offers less ancient information. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Acked-by:
Paul Gortmaker <paul.gortmaker@gmail.com> Signed-off-by:
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- 24 Oct, 2007 23 commits
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Ingo Molnar authored
mark CONFIG_FAIR_GROUP_SCHED as !EXPERIMENTAL. All bugs have been fixed and it's perfect ;-) Signed-off-by: -
Peter Williams authored
At the moment, a lot of load balancing code that is irrelevant to non SMP systems gets included during non SMP builds. This patch addresses this issue and reduces the binary size on non SMP systems: text data bss dec hex filename 10983 28 1192 12203 2fab sched.o.before 10739 28 1192 11959 2eb7 sched.o.after Signed-off-by:
Peter Williams <pwil3058@bigpond.net.au> Signed-off-by:
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Peter Williams authored
At the moment, balance_tasks() provides low level functionality for both move_tasks() and move_one_task() (indirectly) via the load_balance() function (in the sched_class interface) which also provides dual functionality. This dual functionality complicates the interfaces and internal mechanisms and makes the run time overhead of operations that are called with two run queue locks held. This patch addresses this issue and reduces the overhead of these operations. Signed-off-by:
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Adrian Bunk authored
cpu_shares_{show,store}() can become static. Signed-off-by: -
Paul Menage authored
- replace "cont" with "cgrp" in a few places in the CFS cgroup code, - use write_uint rather than write for cpu.shares write function Signed-off-by:
Paul Menage <menage@google.com> Acked-by : Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> Signed-off-by:
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Joe Perches authored
Add const to some struct task_struct * uses Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Mel Gorman authored
profile=sleep only works if CONFIG_SCHEDSTATS is set. This patch notes the limitation in Documentation/kernel-parameters.txt and prints a warning at boot-time if profile=sleep is used without CONFIG_SCHEDSTAT. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Signed-off-by:
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Satyam Sharma authored
A full register dump along with stack backtrace would make the "scheduling while atomic" message more helpful. Use show_regs() instead of dump_stack() for this. We already know we're atomic in here (that is why this function was called) so show_regs()'s atomicity expectations are guaranteed. Also, modify the output of the "BUG: scheduling while atomic:" header a bit to keep task->comm and task->pid together and preempt_count() after them. Signed-off-by:
Satyam Sharma <satyam@infradead.org> Signed-off-by:
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Ingo Molnar authored
clean up sched_domain_debug(). this also shrinks the code a bit: text data bss dec hex filename 50474 4306 480 55260 d7dc sched.o.before 50404 4306 480 55190 d796 sched.o.after Signed-off-by: -
Ingo Molnar authored
Jeff Dike noticed that wait_for_completion_interruptible()'s prototype had a mismatched fastcall. Fix this by removing the fastcall attributes from all the completion APIs. Found-by:
Jeff Dike <jdike@linux.intel.com> Signed-off-by:
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Milton Miller authored
commit 029190c5 (cpuset sched_load_balance flag) was not tested SCHED_DEBUG enabled as committed as it dereferences NULL when used and it reordered the sysctl registration to cause it to never show any domains or their tunables. Fixes: 1) restore arch_init_sched_domains ordering we can't walk the domains before we build them presently we register cpus with empty directories (no domain directories or files). 2) make unregister_sched_domain_sysctl do nothing when already unregistered detach_destroy_domains is now called one set of cpus at a time unregister_syctl dereferences NULL if called with a null. While the the function would always dereference null if called twice, in the previous code it was always called once and then was followed a register. So only the hidden bug of the sysctl_root_table not being allocated followed by an attempt to free it would have shown the error. 3) always call unregister and register in partition_sched_domains The code is "smart" about unregistering only needed domains. Since we aren't guaranteed any calls to unregister, always unregister. Without calling register on the way out we will not have a table or any sysctl tree. 4) warn if register is called without unregistering The previous table memory is lost, leaving pointers to the later freed memory in sysctl and leaking the memory of the tables. Before this patch on a 2-core 4-thread box compiled for SMT and NUMA, the domains appear empty (there are actually 3 levels per cpu). And as soon as two domains a null pointer is dereferenced (unreliable in this case is stack garbage): bu19a:~# ls -R /proc/sys/kernel/sched_domain/ /proc/sys/kernel/sched_domain/: cpu0 cpu1 cpu2 cpu3 /proc/sys/kernel/sched_domain/cpu0: /proc/sys/kernel/sched_domain/cpu1: /proc/sys/kernel/sched_domain/cpu2: /proc/sys/kernel/sched_domain/cpu3: bu19a:~# mkdir /dev/cpuset bu19a:~# mount -tcpuset cpuset /dev/cpuset/ bu19a:~# cd /dev/cpuset/ bu19a:/dev/cpuset# echo 0 > sched_load_balance bu19a:/dev/cpuset# mkdir one bu19a:/dev/cpuset# echo 1 > one/cpus bu19a:/dev/cpuset# echo 0 > one/sched_load_balance Unable to handle kernel paging request for data at address 0x00000018 Faulting instruction address: 0xc00000000006b608 NIP: c00000000006b608 LR: c00000000006b604 CTR: 0000000000000000 REGS: c000000018d973f0 TRAP: 0300 Not tainted (2.6.23-bml) MSR: 9000000000009032 <EE,ME,IR,DR> CR: 28242442 XER: 00000000 DAR: 0000000000000018, DSISR: 0000000040000000 TASK = c00000001912e340[1987] 'bash' THREAD: c000000018d94000 CPU: 2 .. NIP [c00000000006b608] .unregister_sysctl_table+0x38/0x110 LR [c00000000006b604] .unregister_sysctl_table+0x34/0x110 Call Trace: [c000000018d97670] [c000000007017270] 0xc000000007017270 (unreliable) [c000000018d97720] [c000000000058710] .detach_destroy_domains+0x30/0xb0 [c000000018d977b0] [c00000000005cf1c] .partition_sched_domains+0x1bc/0x230 [c000000018d97870] [c00000000009fdc4] .rebuild_sched_domains+0xb4/0x4c0 [c000000018d97970] [c0000000000a02e8] .update_flag+0x118/0x170 [c000000018d97a80] [c0000000000a1768] .cpuset_common_file_write+0x568/0x820 [c000000018d97c00] [c00000000009d95c] .cgroup_file_write+0x7c/0x180 [c000000018d97cf0] [c0000000000e76b8] .vfs_write+0xe8/0x1b0 [c000000018d97d90] [c0000000000e810c] .sys_write+0x4c/0x90 [c000000018d97e30] [c00000000000852c] syscall_exit+0x0/0x40 Signed-off-by:
Milton Miller <miltonm@bga.com> Signed-off-by:
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Linus Torvalds authored
The patch is big. Really big. You just won't believe how vastly hugely mindbogglingly big it is. I mean you may think it's a long way down the road to the chemist, but that's just peanuts to how big the patch from 2.6.23 is. But it's all good. Signed-off-by: -
Greg Ungerer authored
Add a port type definition for the Freescale UART driver ports (mcf.c). Signed-off-by:
Greg Ungerer <gerg@uclinux.org> Signed-off-by:
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Greg Ungerer authored
Remove old definitions of the timer function pointers. Add definitions of the common hardware timer functions. Signed-off-by:
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Greg Ungerer authored
Create definition for DMA channels on the ColdFire 532x family. Signed-off-by:
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Greg Ungerer authored
Add platform support structure for use with new ColdFire UART driver. Signed-off-by:
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Greg Ungerer authored
Mark the m68knommu memory init functions as __init. Signed-off-by:
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Greg Ungerer authored
Mark the m68knommu setup_arch() function as __init. Signed-off-by:
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Greg Ungerer authored
Removed header includes not needed. Remove use of old m68knommu timer function pointers. Signed-off-by:
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Greg Ungerer authored
Clean up 68EZ328 timer support code. Removed header includes not needed. Remove use of old m68knommu timer function pointers. Signed-off-by:
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Greg Ungerer authored
Clean up 68360 timer support code. Removed header includes not needed. Remove use of old m68knommu timer function pointers. Use common function naming for 68328 timer functions. Signed-off-by:
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Greg Ungerer authored
Use common function naming for 68328 timer functions to make them consistent with the various other hardware m68knommu timers. Signed-off-by:
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Greg Ungerer authored
Clean up 68328 timer support code. Removed header includes not needed. Remove use of old m68knommu timer function pointers. Signed-off-by:
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