- 01 May, 2008 38 commits
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Alan Cox authored
Signed-off-by:
Alan Cox <alan@redhat.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jochen Eisinger authored
The i8k driver multiplies the fan speed reported by the BIOS with a factor of 30. On my Dell Latitude D800, this factor is not required. I'd suggest to make this configurable. Signed-off-by:
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Nadia Derbey authored
The return inside the loop makes us free only a single layer. Signed-off-by:
Nadia Derbey <Nadia.Derbey@bull.net> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Jim Houston <jim.houston@comcast.net> Signed-off-by:
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Randy Dunlap authored
next-20080430/drivers/pnp/pnpbios/rsparser.c:594: warning: format '%d' expects type 'int', but argument 4 has type 'resource_size_t' next-20080430/drivers/pnp/pnpbios/rsparser.c:605: warning: format '%d' expects type 'int', but argument 4 has type 'resource_size_t' [joe@perches.com: fix it] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Harvey Harrison authored
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Andrew Morton authored
Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by:
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Matthias Kaehlcke authored
Alchemy Semi Au1000 pcmcia driver: The semaphore pcmcia_sockets_lock is used as a mutex, convert it to the mutex API (akpm: make it static too) Signed-off-by:
Matthias Kaehlcke <matthias@kaehlcke.net> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Sam Ravnborg authored
cb_alloc() uses a function (pci_scan_slot) that will be annotated __devinit. Annotate cb_alloc() with __ref to tell modpost to ignore this reference. Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by:
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Sam Ravnborg authored
Silence following warnings: WARNING: drivers/pcmcia/built-in.o(.data+0x14e0): Section mismatch in reference from the variable pd6729_pci_drv to the function .devinit.text:pd6729_pci_probe() WARNING: drivers/pcmcia/built-in.o(.data+0x14e8): Section mismatch in reference from the variable pd6729_pci_drv to the function .devexit.text:pd6729_pci_remove() WARNING: drivers/pcmcia/built-in.o(.data+0x16c0): Section mismatch in reference from the variable i82092aa_pci_drv to the function .devinit.text:i82092aa_pci_probe() WARNING: drivers/pcmcia/built-in.o(.data+0x16c8): Section mismatch in reference from the variable i82092aa_pci_drv to the function .devexit.text:i82092aa_pci_remove() Rename the variables from *_drv to *_driver so modpost ignore the OK references to __devinit/__devexit functions. Signed-off-by:
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Sam Ravnborg authored
Silence the following warnings: WARNING: drivers/pcmcia/built-in.o(.data+0x6e8): Section mismatch in reference from the variable pcmcia_bus_interface to the function .devinit.text:pcmcia_bus_add_socket() WARNING: drivers/pcmcia/built-in.o(.data+0xa88): Section mismatch in reference from the variable pccard_rsrc_interface to the function .devinit.text:pccard_sysfs_add_rsrc() WARNING: drivers/pcmcia/built-in.o(.data+0xa90): Section mismatch in reference from the variable pccard_rsrc_interface to the function .devexit.text:pccard_sysfs_remove_rsrc() The variables of type class_interface contains references to __devinit and __devexit functions which is OK. Silence warnings by annotating the variables with __refdata. Signed-off-by:
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Michael Ellerman authored
The extended crashkernel syntax is a little confusing in the way it handles ranges. eg: crashkernel=512M-2G:64M,2G-:128M Means if the machine has between 512M and 2G of memory the crash region should be 64M, and if the machine has 2G of memory the region should be 64M. Only if the machine has more than 2G memory will 128M be allocated. Although that semantic is correct, it is somewhat baffling. Instead I propose that the end of the range means the first address past the end of the range, ie: 512M up to but not including 2G. [bwalle@suse.de: clarify inclusive/exclusive in crashkernel commandline in documentation] Signed-off-by:
Michael Ellerman <michael@ellerman.id.au> Acked-by:
Bernhard Walle <bwalle@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Simon Horman <horms@verge.net.au> Signed-off-by:
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Randy Dunlap authored
Fix vmalloc kernel-doc warning: Warning(linux-2.6.25-git14//mm/vmalloc.c:555): No description found for parameter 'caller' Signed-off-by:
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Ingo Molnar authored
x86.git randconfig testing found the following build error in latest -git: CC [M] drivers/isdn/hysdn/hysdn_procconf.o CC [M] drivers/isdn/hysdn/hysdn_init.o drivers/isdn/hysdn/hysdn_procconf.c: In function 'hysdn_procconf_init': drivers/isdn/hysdn/hysdn_procconf.c:408: error: too few arguments to function 'proc_create' with the following config: http://redhat.com/~mingo/misc/config-Wed_Apr_30_15_12_48_CEST_2008.badSigned-off-by:
Ingo Molnar <mingo@elte.hu> Cc: "Denis V. Lunev" <den@openvz.org> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by:
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David Woodhouse authored
Add Paul and myself, and the linux-embedded list, to MAINTAINERS. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Miklos Szeredi authored
If utimensat() is called with both times set to UTIME_NOW or one of them to UTIME_NOW and the other to UTIME_OMIT, then it will update the file time without any permission checking. I don't think this can be used for anything other than a local DoS, but could be quite bewildering at that (e.g. "Why was that large source tree rebuilt when I didn't modify anything???") This affects all kernels from 2.6.22, when the utimensat() syscall was introduced. Fix by doing the same permission checking as for the "times == NULL" case. Thanks to Michael Kerrisk, whose utimensat-non-conformances-and-fixes.patch in -mm also fixes this (and breaks other stuff), only he didn't realize the security implications of this bug. Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Cc: <stable@kernel.org> Signed-off-by:
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Randy Dunlap authored
scsi_transport_spi uses sysfs_update_group() when CONFIG_SYSFS=n, so provide a stub for it. next-20080423/drivers/scsi/scsi_transport_spi.c:1467: error: implicit declaration of function 'sysfs_update_group' make[3]: *** [drivers/scsi/scsi_transport_spi.o] Error 1 Signed-off-by:
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David Brownell authored
Add a new sysfs_streq() string comparison function, which ignores the trailing newlines found in sysfs inputs. By example: sysfs_streq("a", "b") ==> false sysfs_streq("a", "a") ==> true sysfs_streq("a", "a\n") ==> true sysfs_streq("a\n", "a") ==> true This is intended to simplify parsing of sysfs inputs, letting them avoid the need to manually strip off newlines from inputs. Signed-off-by:David Brownell <dbrownell@users.sourceforge.net> Acked-by:
Greg KH <greg@kroah.com> Signed-off-by:
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Roman Zippel authored
Remove the leap second handling from second_overflow(), which doesn't have to check for it every second anymore. With CONFIG_NO_HZ this also makes sure the leap second is handled close to the full second. Additionally this makes it possible to abort a leap second properly by resetting the STA_INS/STA_DEL status bits. Signed-off-by:
Roman Zippel <zippel@linux-m68k.org> Cc: john stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Roman Zippel authored
current_tick_length used to do a little more, but now it just returns tick_length, which we can also access directly at the few places, where it's needed. Signed-off-by:
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Roman Zippel authored
As TICK_LENGTH_SHIFT is used for more than just the tick length, the name isn't quite approriate anymore, so this renames it to NTP_SCALE_SHIFT. Signed-off-by:
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Roman Zippel authored
This adds support for setting the TAI value (International Atomic Time). The value is reported back to userspace via timex (as we don't have a ntp_gettime() syscall). Signed-off-by:
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Roman Zippel authored
time_offset is already a 64bit value but its resolution barely used, so this makes better use of it by replacing SHIFT_UPDATE with TICK_LENGTH_SHIFT. Side note: the SHIFT_HZ in SHIFT_UPDATE was incorrect for CONFIG_NO_HZ and the primary reason for changing time_offset to 64bit to avoid the overflow. Signed-off-by:
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Roman Zippel authored
This changes time_freq to a 64bit value and makes it static (the only outside user had no real need to modify it). Intermediate values were already 64bit, so the change isn't that big, but it saves a little in shifts by replacing SHIFT_NSEC with TICK_LENGTH_SHIFT. PPM_SCALE is then used to convert between user space and kernel space representation. Signed-off-by:
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Roman Zippel authored
This adds a few more things from the ntp nanokernel related to user space. It's now possible to select the resolution used of some values via STA_NANO and the kernel reports in which mode it works (pll/fll). If some values for adjtimex() are outside the acceptable range, they are now simply normalized instead of letting the syscall fail. I removed MOD_CLKA/MOD_CLKB as the mapping didn't really makes any sense, the kernel doesn't support setting the clock. Signed-off-by:
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Roman Zippel authored
This is mostly a style cleanup of ntp.c and extracts part of do_adjtimex as ntp_update_offset(). Otherwise the functionality is still the same as before. Signed-off-by:
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Roman Zippel authored
x86 is the only arch right now, which provides an optimized for div_long_long_rem and it has the downside that one has to be very careful that the divide doesn't overflow. The API is a little akward, as the arguments for the unsigned divide are signed. The signed version also doesn't handle a negative divisor and produces worse code on 64bit archs. There is little incentive to keep this API alive, so this converts the few users to the new API. Signed-off-by:
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Roman Zippel authored
Rename div64_64 to div64_u64 to make it consistent with the other divide functions, so it clearly includes the type of the divide. Move its definition to math64.h as currently no architecture overrides the generic implementation. They can still override it of course, but the duplicated declarations are avoided. Signed-off-by:
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Roman Zippel authored
This converts a few users of do_div to div_[su]64 and this demonstrates nicely how it can reduce some expressions to one-liners. Signed-off-by:
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Roman Zippel authored
The current do_div doesn't explicitly say that it's unsigned and the signed counterpart is missing, which is e.g. needed when dealing with time values. This introduces 64bit signed/unsigned divide functions which also attempts to cleanup the somewhat awkward calling API, which often requires the use of temporary variables for the dividend. To avoid the need for temporary variables everywhere for the remainder, each divide variant also provides a version which doesn't return the remainder. Each architecture can now provide optimized versions of these function, otherwise generic fallback implementations will be used. As an example I provided an alternative for the current x86 divide, which avoids the asm casts and using an union allows gcc to generate better code. It also avoids the upper divde in a few more cases, where the result is known (i.e. upper quotient is zero). Signed-off-by:
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David Howells authored
Fix a reference in a arch/frv/mm/Makefile to unaligned.c which has now been deleted. Also revert the change to the guard macro name in include/asm-frv/unaligned.h. Signed-off-by:
David Howells <dhowells@redhat.com> Cc: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Christian Borntraeger authored
currently cpu hotplug (unplug) seems broken on s390 and likely others. On cpu unplug the system starts to behave very strange and hangs. I bisected the problem to the following commit: commit 48f20a9a Author: Olof Johansson <olof@lixom.net> Date: Tue Mar 4 15:23:25 2008 -0800 tasklets: execute tasklets in the same order they were queued Reverting this patch seems to fix the problem. I looked into takeover_tasklet and it seems that there is a way to corrupt the tail pointer of the current cpu. If the tasklet list of the frozen cpu is empty, the tail pointer of the current cpu points to the address of the head pointer of the stopped cpu and not to the next pointer of a tasklet_struct. This patch avoids the list splice of the list is empty and cpu hotplug seems to work as the tail pointer is not corrupted. Olof, can you look into that patch and ACK/NACK it so Andrew can push this to Linus, if appropriate? Please note that some lines are longer than 80 chars, but line-wrapping looked worse that this version. Signed-off-by:
Christian Borntraeger <borntraeger@de.ibm.com> Acked-by:
Olof Johansson <olof@lixom.net> Acked-by:
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Paul Jackson authored
Update CPUSETS MAINTAINERS to reflect the more active role of Paul Menage (secondary to his work on cgroups) and the retirement of the original author of cpusets, Simon Derr. Thanks, Simon! Best of luck to you. Signed-off-by:
Paul Jackson <pj@sgi.com> Acked-by:
Paul Menage <menage@google.com> Acked-by:
Simon Derr <simon.derr@bull.net> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Theodore Ts'o authored
(which is autogenerated by kbuild) Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: ipv6: Compilation fix for compat MCAST_MSFILTER sockopts.
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Al Viro authored
We have a race between fcntl() and close() that can lead to dnotify_struct inserted into inode's list *after* the last descriptor had been gone from current->files. Since that's the only point where dnotify_struct gets evicted, we are screwed - it will stick around indefinitely. Even after struct file in question is gone and freed. Worse, we can trigger send_sigio() on it at any later point, which allows to send an arbitrary signal to arbitrary process if we manage to apply enough memory pressure to get the page that used to host that struct file and fill it with the right pattern... Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Linus Torvalds authored
So Ingo finally did figure out why UML broke with this option: UML passes gcc the -fno-unit-at-a-time flag, and apparently that wreaks havoc with gcc's inlining. We could turn off -fno-unit-at-a-time for UML for gcc4+ (which is what x86 does), but there's bad blood about this whole option, and it does show that the thing is just fragile as heck. So let tempers cool, and disable the thing, and we can revisit the decision later. Cc: Adrian Bunk <bunk@kernel.org> Cc: David Miller <davem@davemloft.net> Acked-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-fixes3Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-fixes3: (21 commits) x86: numaq fix x86: 8K stacks by default x86: ioremap ram check fix x86: fix HT cpu booting on 32-bit x86: optimize inlining off x86: CONFIG_X86_ELAN fix x86: Kconfig fix x86 PAT: fix performance drop for glx, use UC minus for ioremap(), ioremap_nocache() and pci_mmap_page_range() x86: use defconfigs from x86/configs/* toshiba: use ioremap_cached revert: "x86: ioremap(), extend check to all RAM pages" x86: don't bother printing compat vdso address fix: x86: support for new UV apic x86: fix early-BUG message x86: iommu_sac_force can become static x86: add proper header for reboot_force x86 VISWS: build fix x86, voyager: fix ioremap_nocache() hpet: fix x86: unexport kmap_atomic_to_page ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: klist: fix coding style errors in klist.h and klist.c driver core: remove no longer used "struct class_device" pcmcia: remove pccard_sysfs_interface warnings devres: support addresses greater than an unsigned long via dev_ioremap kobject: do not copy vargs, just pass them around sysfs: sysfs_update_group stub for CONFIG_SYSFS=n DEBUGFS: Correct location of debugfs API documentation. driver core: warn about duplicate driver names on the same bus klist: implement klist_add_{after|before}() klist: implement KLIST_INIT() and DEFINE_KLIST() sysfs: Disallow truncation of files in sysfs
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- 30 Apr, 2008 2 commits
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Greg Kroah-Hartman authored
Finally clean up the odd spacing in these files. Signed-off-by:Greg Kroah-Hartman <gregkh@suse.de>
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Kay Sievers authored
Signed-off-by:
Kay Sievers <kay.sievers@vrfy.org> Signed-off-by:
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