- 26 Feb, 2006 9 commits
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Chris McDermott authored
[description from AK] Old check for the IO-APIC watchdog during the timer check was wrong - it obviously should only drop into this if the IO-APIC watchdog is used. Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Andi Kleen authored
This makes x86-64 use the common X86_PM_TIMER Kconfig entry in drivers/acpi And since PM timer is needed for correct timing on a lot of systems now (e.g. AMD dual cores) and we often get bug reports from people who forgot to set it make it depend on CONFIG_EMBEDDED. x86-64 had this change before and it's a good thing. I also fixed the description slightly to make this more clear. Cc: len.brown@intel.com Signed-off-by:
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Andreas Deresch authored
[description from AK] This fixes booting in APIC mode on some ACER laptops. x86-64 did a similar change some time ago. See http://bugzilla.kernel.org/show_bug.cgi?id=4700 for details Signed-off-by:
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Andi Kleen authored
Big Unisys systems have multiple clusters too, but they have an synchronized TSC. I'm using the SMBIOS to check for vendor == IBM. Cc: Chris McDermott <lcm@us.ibm.com> Cc: "Protasevich, Natalie" <Natalie.Protasevich@unisys.com> Signed-off-by:
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Suresh Siddha authored
Fixes a local DOS on Intel systems that lead to an endless recursive fault. AMD machines don't seem to be affected. Signed-off-by:
Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by:
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Jan Beulich authored
The value, while currently unused in the native kernel, was off by one. Signed-Off-By:
Jan Beulich <jbeulich@novell.com> Signed-off-by:
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Jon Mason authored
In previous versions of pci-gart.c, no_iommu was used to determine if IOMMU was disabled in the GART DMA mapping functions. This changed in 2.6.16 and now gart_xxx() functions are only called if gart is enabled. Therefore, uses of no_iommu in the GART code are no longer necessary and can be removed. Also, it removes double deceleration of no_iommu and force_iommu in pci.h and proto.h, by removing the deceleration in pci.h. Lastly, end_pfn off by one error. Tested (along with patch 1/2) on dual opteron with gart enabled, iommu=soft, and iommu=off. Signed-off-by:
Jon Mason <jdmason@us.ibm.com> Signed-off-by:
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Marc Zyngier authored
As the (probably) last user of a Specialix SI board, I noticed that recent kernels would fail to probe the sucker. Quick investigation indicate a few missing braces... I left the double probing in place, as it looks like it's been here forever. Signed-off-by:
Marc Zyngier <maz@misterjones.org> Signed-off-by:
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Al Viro authored
There's a problem in sd where we blindly believe the length of the headers and block descriptors. Some devices return insane values for these and cause our length to end up greater than the actual buffer size, so check to make sure. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Also removed the buffer size magic number (512) and added DPOFUA of zero to the defaults Signed-off-by:
James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by:
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- 25 Feb, 2006 3 commits
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Dave Jones authored
Commit 9c869eda moved the i386 topology.c file. That change broke x86-64 compiles, as it uses the same file. Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Linus Torvalds authored
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Linus Torvalds authored
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- 24 Feb, 2006 28 commits
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Kumar Gala authored
mem= command line option was being ignored in arch/powerpc if we were not a CONFIG_MULTIPLATFORM (which is handled via prom_init stub). The initial command line extraction and parsing needed to be moved earlier in the boot process and have code to actual parse mem= and do something about it. Also, fixed a compile warning in the file. Signed-off-by:
Kumar Gala <galak@kernel.crashing.org> Acked-by:
Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by:
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Linus Torvalds authored
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Zachary Amsden authored
When compiling a non-default subarch, topology.c is missing from the kernel build. This causes builds with CONFIG_HOTPLUG_CPU to fail. In addition, on Intel processors with cpuid level > 4, it causes intel_cacheinfo.c to reference uninitialized data that should have been set up by the initcall in topology.c which calls register_cpu. This causes a kernel panic on boot on newer Intel processors. Moving topology.c to arch/i386/kernel fixes both of these problems. Thanks to Dan Hecht for finding and fixing this problem. Signed-off-by:
Zachary Amsden <zach@vmware.com> Signed-off-by:
Dan Hecht <dhect@vmware.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Hugh Dickins authored
akpm points out that switching to a non-NUMA kernel could be irritating if mounting tmpfs fails on an mpol option: tmpfs.txt recommend remount. Signed-off-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Jun'ichi Nomura authored
Minor number should be freed after del_gendisk(). Otherwise, there could be a window where 2 registered gendisk has same minor number. Signed-off-by:
Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by:
Alasdair G Kergon <agk@redhat.com> Cc: <stable@kernel.org> Signed-off-by:
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Jun'ichi Nomura authored
Need to unfreeze and release bdev otherwise the bdev inode with inconsistent state is reused later and cause problem. Signed-off-by:
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Andrew Morton authored
Phil Marek <philipp.marek@bmlv.gv.at> points out that ramfs forgets to update a directory's mtime and ctime when it is modified. Cc: <stable@kernel.org> Signed-off-by:
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Christoph Lameter authored
- PF_SWAPWRITE needs to be set for RECLAIM_SWAP to be able to write out pages to swap. Currently RECLAIM_SWAP may not do that. - remove setting nr_reclaimed pages after slab reclaim since the slab shrinking code does not use that and the nr_reclaimed pages is just right for the intended follow up action. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Signed-off-by:
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Ulrich Drepper authored
I'm currently at the POSIX meeting and one thing covered was the incompatibility of Linux's link() with the POSIX definition. The name. Linux does not follow symlinks, POSIX requires it does. Even if somebody thinks this is a good default behavior we cannot change this because it would break the ABI. But the fact remains that some application might want this behavior. We have one chance to help implementing this without breaking the behavior. For this we could use the new linkat interface which would need a new flags parameter. If the new parameter is AT_SYMLINK_FOLLOW the new behavior could be invoked. I do not want to introduce such a patch now. But we could add the parameter now, just don't use it. The patch below would do this. Can we get this late patch applied before the release more or less fixes the syscall API? Signed-off-by:
Ulrich Drepper <drepper@redhat.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Antonino A. Daplas authored
The setcolreg function will attempt to write 24 color entries to the pseudo_pallette. However, the pseudo_palette has only space for 16 entries. Thanks to Atsushi Nemoto for reporting this bug. Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Freddy Spierenburg authored
Replaced the no longer existing io_remap_page_range() routine with the io_remap_pfn_range() routine. Did not have a chance yet to test the functionality of the driver, but at least the kernel compiles cleanly again. Signed-off-by:
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Martin Michlmayr authored
Allocating more than 4 MB memory for the GBE (SGI O2) framebuffer completely breakfs gbefb support at the moment. According to comments on #mipslinux, more than 4 MB has never worked correctly in Linux. Therefore, the default should be 4 MB. Signed-off-by:
Martin Michlmayr <tbm@cyrius.com> Signed-off-by:
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Kaj-Michael Lang authored
The gbefb driver does not update the framebuffer layers visual setting when depth is changed with fbset, resulting in strange colors (very dark blue in 16-bit, almost black in 24-bit). Signed-off-by:
Kaj-Michael Lang <milang@tal.org> Signed-off-by:
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James Bottomley authored
Recent GDT changes broke the SMP boot sequence if the booting CPU is numbered anything other than zero. There's also a subtle source of error in that the boot time CPU now uses cpu_gdt_table (which is actually the GDT for booting CPUs in head.S). This patch fixes both problems by making GDT descriptors themselves allocated from a per_cpu area and switching to them in cpu_init(), which now means that cpu_gdt_table is exclusively used for booting CPUs again. Signed-off-by:
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Christoph Lameter authored
migrate_pages_to() allocates a list of new pages on the intended target node or with the intended policy and then uses the list of new pages as targets for the migration of a list of pages out of place. When the pages are allocated it is not clear which of the out of place pages will be moved to the new pages. So we cannot specify an address as needed by alloc_page_vma(). This causes problem for MPOL_INTERLEAVE which will currently allocate the pages on the first node of the set. If mbind is used with vma that has the policy of MPOL_INTERLEAVE then the interleaving of pages may be destroyed. This patch fixes that by generating a fake address for each alloc_page_vma which will result is a distribution of pages as prescribed by MPOL_INTERLEAVE. Lee also noted that the sequence of nodes for the new pages seems to be inverted. So we also invert the way the lists of pages for migration are build. Signed-off-by:
Lee Schermerhorn <lee.schermerhorn@hp.com> Looks-ok-to: Andi Kleen <ak@suse.de> Signed-off-by:
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James Bottomley authored
Right at the moment (thanks to a patch from Andrew), cpu_possible_map on voyager is CPU_MASK_NONE, which means the machine always thinks it has no CPUs. Fix that by doing an early initialisation of the cpu_possible_map from the cpu_phys_present_map. (akpm: we aim to please) Signed-off-by:
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James Bottomley authored
It looks like I can't get away without exporting topology functions from voyager any longer, so add them to the voyager subarchitecture. Signed-off-by:
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Simon Vogl authored
Fix a kernel oops for Intel P30 flashes, where the wait queue head was not initialized for the flchip struct, which in turn caused a crash at the first read operation. Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Cc: <stable@kernel.org> Signed-off-by:
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Prasanna S Panchamukhi authored
Fix a problem seen on i686 machine with NX support where the instruction could not be single stepped because of NX bit set on the memory pages allocated by kprobes module. This patch provides allocation of instruction solt so that the processor can execute the instruction from that location similar to x86_64 architecture. Thanks to Bibo and Masami for testing this patch. Signed-off-by:
Prasanna S Panchamukhi <prasanna@in.ibm.com> Signed-off-by:
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Samuel Thibault authored
EGA boards suck: they mostly have write-only registers. This is particularly problematic for the overflow register: for being able to write to it, we would have to handle vertical sync & such too, which (I'd say) would potentially break a lot of configurations. Instead, just disabling vertical resize for EGA boards is just nice enough (horizontal resize still works). Fixes http://bugzilla.kernel.org/show_bug.cgi?id=6106Signed-off-by:
Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Rafal Olearski <olearski@mail2.kim.net.pl> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Improve (especially for coherence) some prototypes, and return code of init_cow_file in error case - for a short write return -EINVAL, otherwise return the error we got! Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Do precise error handling: print precise error messages, distinguishing short reads and read errors. This functions fails frequently enough for me so I bothered doing this fix. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Fix an fd leak and a return of -1 instead of -errno in the error path - this showed up in intensive testing of HPPFS, the os_connect_socket user. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Use __attribute_used__ instead of __attribute__ ((unused)). This will help with GCC > 3.2. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
To avoid conflicts, in kernel files errno is expanded to kernel_errno, to distinguish it from glibc errno. In this case, the code wants to use the libc errno but the kernel one is used; in the other usage, we return errno in place of -errno in case of an error. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Improve some error messages in the COW driver, and say V3, not V2, when talking about V3 format. Also resync with our userspace code utility a bit more. Signed-off-by:
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Takashi Iwai authored
Remove snd_device_free() for an opl3-oss instance which should have been released. Signed-off-by:
Takashi Iwai <tiwai@suse.de> Cc: Jaroslav Kysela <perex@suse.cz> Cc: <stable@kernel.org> Signed-off-by:
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