- 20 10月, 2007 5 次提交
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由 Serge E. Hallyn 提交于
is_init() is an ambiguous name for the pid==1 check. Split it into is_global_init() and is_container_init(). A cgroup init has it's tsk->pid == 1. A global init also has it's tsk->pid == 1 and it's active pid namespace is the init_pid_ns. But rather than check the active pid namespace, compare the task structure with 'init_pid_ns.child_reaper', which is initialized during boot to the /sbin/init process and never changes. Changelog: 2.6.22-rc4-mm2-pidns1: - Use 'init_pid_ns.child_reaper' to determine if a given task is the global init (/sbin/init) process. This would improve performance and remove dependence on the task_pid(). 2.6.21-mm2-pidns2: - [Sukadev Bhattiprolu] Changed is_container_init() calls in {powerpc, ppc,avr32}/traps.c for the _exception() call to is_global_init(). This way, we kill only the cgroup if the cgroup's init has a bug rather than force a kernel panic. [akpm@linux-foundation.org: fix comment] [sukadev@us.ibm.com: Use is_global_init() in arch/m32r/mm/fault.c] [bunk@stusta.de: kernel/pid.c: remove unused exports] [sukadev@us.ibm.com: Fix capability.c to work with threaded init] Signed-off-by: NSerge E. Hallyn <serue@us.ibm.com> Signed-off-by: NSukadev Bhattiprolu <sukadev@us.ibm.com> Acked-by: NPavel Emelianov <xemul@openvz.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Herbert Poetzel <herbert@13thfloor.at> Cc: Kirill Korotaev <dev@sw.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Pavel Emelianov 提交于
The set of functions process_session, task_session, process_group and task_pgrp is confusing, as the names can be mixed with each other when looking at the code for a long time. The proposals are to * equip the functions that return the integer with _nr suffix to represent that fact, * and to make all functions work with task (not process) by making the common prefix of the same name. For monotony the routines signal_session() and set_signal_session() are replaced with task_session_nr() and set_task_session(), especially since they are only used with the explicit task->signal dereference. Signed-off-by: NPavel Emelianov <xemul@openvz.org> Acked-by: NSerge E. Hallyn <serue@us.ibm.com> Cc: Kirill Korotaev <dev@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Paul Jackson 提交于
In pre-cgroup cpusets, a few config files enabled cpusets by default. Signed-off-by: NPaul Jackson <pj@sgi.com> Cc: Paul Menage <menage@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Coly Li 提交于
This patch uses vm_get_page_prot() to setup vma->vm_page_prot. Though inside vm_get_page_prot() the protection flags is AND with (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED), it does not hurt correct code. Signed-off-by: NColy Li <coyli@suse.de> Cc: Hugh Dickins <hugh@veritas.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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copy_oldmem_page should not return leaving a page frame from the previous kernel mapped. Signed-off-by: NFernando Luis Vázquez Cao <fernando@oss.ntt.co.jp> Acked-by: NVivek Goyal <vgoyal@in.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 19 10月, 2007 26 次提交
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由 Ralf Baechle 提交于
To be consistent with the use of attributes in the rest of the kernel replace all use of __attribute_pure__ with __pure and delete the definition of __attribute_pure__. Signed-off-by: NRalf Baechle <ralf@linux-mips.org> Cc: Russell King <rmk@arm.linux.org.uk> Acked-by: NMauro Carvalho Chehab <mchehab@infradead.org> Cc: Bryan Wu <bryan.wu@analog.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Stephen Hemminger 提交于
Get rid of sparse related warnings from places that use integer as NULL pointer. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NStephen Hemminger <shemminger@linux-foundation.org> Cc: Andi Kleen <ak@suse.de> Cc: Jeff Garzik <jeff@garzik.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Ian Kent <raven@themaw.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Satyam Sharma 提交于
msr_class_cpu_callback() can be marked __cpuinit, being the notifier callback for a __cpuinitdata notifier_block. So can be marked msr_device_create() too, called only from the newly-__cpuinit msr_class_cpu_callback() or from __init-marked msr_init(). Signed-off-by: NSatyam Sharma <satyam@infradead.org> Cc: Andi Kleen <ak@suse.de> Acked-by: NH. Peter Anvin <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michael Neuling 提交于
This adds POWERPC specific hooks for scaled time accounting. POWER6 includes a SPURR register. The SPURR is based off the PURR register but is scaled based on CPU frequency and issue rates. This gives a more accurate account of the instructions used per task. The PURR and timebase will be constant relative to the wall clock, irrespective of the CPU frequency. This implementation reads the SPURR register in account_system_vtime which is only call called on context witch and hard and soft irq entry and exit. The percentage of user and system time is then estimated using the ratio of these accounted by the PURR. If the SPURR is not present, the PURR read. An earlier implementation of this patch read the SPURR whenever the PURR was read, which included the system call entry and exit path. Unfortunately this showed a performance regression on lmbench runs, so was re-implemented. I've included the lmbench results here when run bare metal on POWER6. 1st column is the unpatch results. 2nd column is the results using the below patch and the 3rd is the % diff of these results from the base. 4th and 5th columns are the results and % differnce from the base using the older patch (SPURR read in syscall entry/exit path). Base Scaled-Acct SPURR-in-syscall Result Result % diff Result % diff Simple syscall: 0.3086 0.3086 0.0000 0.3452 11.8600 Simple read: 0.4591 0.4671 1.7425 0.5044 9.86713 Simple write: 0.4364 0.4366 0.0458 0.4731 8.40971 Simple stat: 2.0055 2.0295 1.1967 2.0669 3.06158 Simple fstat: 0.5962 0.5876 -1.442 0.6368 6.80979 Simple open/close: 3.1283 3.1009 -0.875 3.2088 2.57328 Select on 10 fd's: 0.8554 0.8457 -1.133 0.8667 1.32101 Select on 100 fd's: 3.5292 3.6329 2.9383 3.6664 3.88756 Select on 250 fd's: 7.9097 8.1881 3.5197 8.2242 3.97613 Select on 500 fd's: 15.2659 15.836 3.7357 15.873 3.97814 Select on 10 tcp fd's: 0.9576 0.9416 -1.670 0.9752 1.83792 Select on 100 tcp fd's: 7.248 7.2254 -0.311 7.2685 0.28283 Select on 250 tcp fd's: 17.7742 17.707 -0.375 17.749 -0.1406 Select on 500 tcp fd's: 35.4258 35.25 -0.496 35.286 -0.3929 Signal handler installation: 0.6131 0.6075 -0.913 0.647 5.52927 Signal handler overhead: 2.0919 2.1078 0.7600 2.1831 4.35967 Protection fault: 0.7345 0.7478 1.8107 0.8031 9.33968 Pipe latency: 33.006 16.398 -50.31 33.475 1.42368 AF_UNIX sock stream latency: 14.5093 30.910 113.03 30.715 111.692 Process fork+exit: 219.8 222.8 1.3648 229.37 4.35623 Process fork+execve: 876.14 873.28 -0.32 868.66 -0.8533 Process fork+/bin/sh -c: 2830 2876.5 1.6431 2958 4.52296 File /var/tmp/XXX write bw: 1193497 1195536 0.1708 118657 -0.5799 Pagefaults on /var/tmp/XXX: 3.1272 3.2117 2.7020 3.2521 3.99398 Also, kernel compile times show no difference with this patch applied. [pbadari@us.ibm.com: Avoid unnecessary PURR reading] Signed-off-by: NMichael Neuling <mikey@neuling.org> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@engr.sgi.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NBadari Pulavarty <pbadari@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Joe Perches 提交于
Found these while looking at printk uses. Add missing newlines to dev_<level> uses Add missing KERN_<level> prefixes to multiline dev_<level>s Fixed a wierd->weird spelling typo Added a newline to a printk Signed-off-by: NJoe Perches <joe@perches.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Roland Dreier <rolandd@cisco.com> Cc: Tilman Schmidt <tilman@imap.cc> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Greg KH <greg@kroah.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: James Smart <James.Smart@Emulex.Com> Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Eric W. Biederman 提交于
Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Cc: Alexey Dobriyan <adobriyan@sw.ru> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
- Fix resource leakage in error case within detect_cache_attributes() - Don't register hotcpu notifier when cache_add_dev() returns error - Introduce cache_dev_map cpumask to track whether cache interface for CPU is successfully added by cache_add_dev() or not. cache_add_dev() may fail with out of memory error. In order to avoid cache_remove_dev() with that uninitialized cache interface when CPU_DEAD event is delivered we need to have the cache_dev_map cpumask. (We cannot change cache_add_dev() from CPU_ONLINE event handler to CPU_UP_PREPARE event handler. Because cache_add_dev() needs to do cpuid and store the results with its CPU online.) [nix.or.die@googlemail.com: fix a section mismatch warning] Cc: Ashok Raj <ashok.raj@intel.com> Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Andi Kleen <ak@suse.de> Cc: Jan Beulich <jbeulich@novell.com> Signed-off-by: NGabriel Craciunescu <nix.or.die@googlemail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
- Clear kobject in percpu device_mce before calling sysdev_register() with Because mce_create_device() may fail and it leaves kobject filled with junk. It will be the problem when mce_create_device() will be called next time. - Fix error handling in mce_create_device() Error handling should not do sysdev_remove_file() with not yet added attributes. - Don't register hotcpu notifier when mce_create_device() returns error - Do mce_create_device() in CPU_UP_PREPARE instead of CPU_ONLINE Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Andi Kleen <ak@suse.de> Cc: Jan Beulich <jbeulich@novell.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Do msr_device_create() in CPU_UP_PREPARE instead of CPU_ONLINE. Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Andi Kleen <ak@suse.de> Cc: Jan Beulich <jbeulich@novell.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Do thermal_throttle_add_dev() in CPU_UP_PREPARE instead of CPU_ONLINE. Cc: Dmitriy Zavin <dmitriyz@google.com> Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Andi Kleen <ak@suse.de> Cc: Jan Beulich <jbeulich@novell.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Tony Breeds 提交于
On platforms that copy sys_tz into the vdso (currently only x86_64, soon to include powerpc), it is possible for the vdso to get out of sync if a user calls (admittedly unusual) settimeofday(NULL, ptr). This patch adds a hook for architectures that set CONFIG_GENERIC_TIME_VSYSCALL to ensure when sys_tz is updated they can also updatee their copy in the vdso. Signed-off-by: NTony Breeds <tony@bakeyournoodle.com> Cc: Andi Kleen <ak@suse.de> Cc: Tony Luck <tony.luck@intel.com> Acked-by: NJohn Stultz <johnstul@us.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Use temporary page tables for the kernel text mapping during hibernation restore on x86_64. Without the patch, the original boot kernel's page tables that represent the kernel text mapping are used while the core of the image kernel is being restored. However, in principle, if the boot kernel is not identical to the image kernel, the location of these page tables in the image kernel need not be the same, so we should create a safe copy of the kernel text mapping prior to restoring the core of the image kernel. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Since we already pass the address of restore_registers() in the image header, we can also pass the value of the CR3 register from before the hibernation in the same way. This will allow us to avoid using init_level4_pgt page tables during the restore. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Make it possible to restore a hibernation image on x86_64 with the help of a kernel different from the one in the image. The idea is to split the core restoration code into two separate parts and to place each of them in a different page. The first part belongs to the boot kernel and is executed as the last step of the image kernel's memory restoration procedure. Before being executed, it is relocated to a safe page that won't be overwritten while copying the image kernel pages. The final operation performed by it is a jump to the second part of the core restoration code that belongs to the image kernel and has just been restored. This code makes the CPU switch to the image kernel's page tables and restores the state of general purpose registers (including the stack pointer) from before the hibernation. The main issue with this idea is that in order to jump to the second part of the core restoration code the boot kernel needs to know its address. However, this address may be passed to it in the image header. Namely, the part of the image header previously used for checking if the version of the image kernel is correct can be replaced with some architecture specific data that will allow the boot kernel to jump to the right address within the image kernel. These data should also be used for checking if the image kernel is compatible with the boot kernel (as far as the memory restroration procedure is concerned). It can be done, for example, with the help of a "magic" value that has to be equal in both kernels, so that they can be regarded as compatible. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Pavel Machek 提交于
This removes old debugging stuff, that should be no longer neccessary. It accessed VGA hardware (which may not be ready at this point), and used LEDs at port 80 for debugging. Signed-off-by: NPavel Machek <pavel@suse.cz> Acked-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Andi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andres Salomon 提交于
Currently, there's a CONFIG_DISABLE_CONSOLE_SUSPEND that allows one to stop the serial console from being suspended when the rest of the machine goes to sleep. This is incredibly useful for debugging power management-related things; however, having it as a compile-time option has proved to be incredibly inconvenient for us (OLPC). There are plenty of times that we want serial console to not suspend, but for the most part we'd like serial console to be suspended. This drops CONFIG_DISABLE_CONSOLE_SUSPEND, and replaces it with a kernel boot parameter (no_console_suspend). By default, the serial console will be suspended along with the rest of the system; by passing 'no_console_suspend' to the kernel during boot, serial console will remain alive during suspend. For now, this is pretty serial console specific; further fixes could be applied to make this work for things like netconsole. Signed-off-by: NAndres Salomon <dilinger@debian.org> Acked-by: N"Rafael J. Wysocki" <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Nigel Cunningham <nigel@suspend2.net> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
There is no reason why the .prepare() and .finish() methods in 'struct platform_suspend_ops' should take any arguments, since architectures don't use these methods' argument in any practically meaningful way (ie. either the target system sleep state is conveyed to the platform by .set_target(), or there is only one suspend state supported and it is indicated to the PM core by .valid(), or .prepare() and .finish() aren't defined at all). There also is no reason why .finish() should return any result. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Len Brown <lenb@kernel.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
The name of 'struct pm_ops' suggests that it is related to the power management in general, but in fact it is only related to suspend. Moreover, its name should indicate what this structure is used for, so it seems reasonable to change it to 'struct platform_suspend_ops'. In that case, the name of the global variable of this type used by the PM core and the names of related functions should be changed accordingly. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Len Brown <lenb@kernel.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Move the definition of 'struct pm_ops' and related functions from <linux/pm.h> to <linux/suspend.h> . There are, at least, the following reasons to do that: * 'struct pm_ops' is specifically related to suspend and not to the power management in general. * As long as 'struct pm_ops' is defined in <linux/pm.h>, any modification of it causes the entire kernel to be recompiled, which is unnecessary and annoying. * Some suspend-related features are already defined in <linux/suspend.h>, so it is logical to move the definition of 'struct pm_ops' into there. * 'struct hibernation_ops', being the hibernation-related counterpart of 'struct pm_ops', is defined in <linux/suspend.h> . Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Len Brown <lenb@kernel.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
cycles_per_jiffy was only ever getting assigned and the function pointer not being called anymore and mips_timer_ack had gotten similarly stale. I leave the remaining assignments unfixed as a lighthouse pointing platform maintainers to what needs a rewrite. These changes make null_timer_ack() unreferenced, so delete that too. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
This separates the tick timer stuff from the generic MIPS time.c. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
This separate the tick timer stuff from the generic MIPS time.c. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Thomas Bogendoerfer 提交于
Always jump to the place where the kernel is linked to. This helps where the bootloaders/proms ignores the start address inside the ELF header. Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 18 10月, 2007 9 次提交
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由 Stephen Rothwell 提交于
Also of_unregister_driver. These will be shortly also used by the PowerPC code. Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jeff Dike 提交于
UML's two non-ethernet drivers need some header_ops conversion. Signed-off-by: NJeff Dike <jdike@linux.intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
If the PCI controller lacks the 'ranges' property nothing is going to work. Noticed by Al Viro. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Do not use *alloc_bootmem_low*(), because ARCH_LOW_ADDRESS_LIMIT is 4GB and this results in boot failures if all of the physical memory in the machine is above 4GB. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
When the cpu count is high and contention hits an atomic object, the processors can synchronize such that some cpus continually get knocked out and cannot complete the atomic update. So implement an exponential backoff when SMP. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andrew Morton 提交于
arch/ia64/kernel/machine_kexec.c: In function `arch_crash_save_vmcoreinfo': arch/ia64/kernel/machine_kexec.c:131: error: `pgdat_list' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:131: error: (Each undeclared identifier is reported only once arch/ia64/kernel/machine_kexec.c:131: error: for each function it appears in.) arch/ia64/kernel/machine_kexec.c:134: error: `node_memblk' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:135: error: `NR_NODE_MEMBLKS' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:136: error: invalid application of `sizeof' to incomplete type `node_memblk_s' arch/ia64/kernel/machine_kexec.c:137: error: dereferencing pointer to incomplete type arch/ia64/kernel/machine_kexec.c:138: error: dereferencing pointer to incomplete type make[1]: *** [arch/ia64/kernel/machine_kexec.o] Error 1 Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Sam Ravnborg 提交于
make clean failed to delete a few files in x86/kernel. This is because kbuild does not see the correct/full kernel/Makefile. As a workaround until the Makefiles are merged specify the files to be deleted in the common Makefile. Reported by Mike Galbraith <efault@gmx.de> Signed-off-by: NSam Ravnborg <sam@ravnborg.org> Cc: Mike Galbraith <efault@gmx.de> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Sam Ravnborg 提交于
Fix rebuild of kernel when there is no changes. This happened for i386. Using make V=2 hinted that the output files were not assigned to targets - fixed by this patch. Reported by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: NSam Ravnborg <sam@ravnborg.org> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Denis V. Lunev 提交于
This patch: - makes .gitignore files visible to git - makes arch/x86/kernel/vsyscall_32.lds and arch/i386/boot invisible Signed-off-by: NDenis V. Lunev <den@openvz.org> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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