- 25 Jun, 2006 35 commits
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Jesper Juhl authored
If CONFIG_KALLSYMS is defined and if it should happen that is_exported() is given a NULL 'mod' and lookup_symbol(name, __start___ksymtab, __stop___ksymtab) returns 0, then we'll end up dereferencing a NULL pointer. Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Michael Hanselmann authored
This patch contains a total rewrite of the backlight infrastructure for portable Apple computers. Backward compatibility is retained. A sysfs interface allows userland to control the brightness with more steps than before. Userland is allowed to upload a brightness curve for different monitors, similar to Mac OS X. [akpm@osdl.org: add needed exports] Signed-off-by:
Michael Hanselmann <linux-kernel@hansmi.ch> Acked-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by:
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Adrian Bunk authored
Became irrelevant when x86_64 unexported ia32_sys_call_table. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Cc: Andi Kleen <ak@muc.de> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Roman Zippel authored
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Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Roman Zippel authored
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Roman Zippel authored
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Roman Zippel authored
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Roman Zippel authored
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Roman Zippel authored
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Roman Zippel authored
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Roman Zippel authored
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Roman Zippel authored
Convert the generic irq code to use irq controller, this gets rid of the machine specific callbacks and gives better control over irq handling without duplicating lots of code. Signed-off-by:
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Roman Zippel authored
Introduce irq controller and use it to manage auto vector interrupts. Introduce setup_irq() which can be used for irq setup. Signed-off-by:
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Roman Zippel authored
Fix amiga irq numbering, so they are after the generic IRQ_AUTO defines and remove the IRQ_AMIGA_AUTO defines. Signed-off-by:
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Roman Zippel authored
Rename IRQ1..IRQ7 to IRQ_AUTO_1..IRQ_AUTO_7 and remove the duplicate defintions. Signed-off-by:
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Roman Zippel authored
Use separate entry points for auto and user vector interrupts and cleanup naming a little. Signed-off-by:
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Roman Zippel authored
Move some of the prints in die_if_kernel() to show_registers() and call that instead of show_stack(), so show_registers() prints now similiar info as other archs. Clean up the function a little. Signed-off-by:
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Roman Zippel authored
Additions to dma API with some small cleanups. Signed-off-by:
Richard Hirst <rhirst@levanta.com> Signed-off-by:
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Roman Zippel authored
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Roman Zippel authored
Make flush_icache() an inline function and clean it up a litte. Signed-off-by:
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Roman Zippel authored
Ignore empty pmd entry during iomap (these are the holes between the mappings). Signed-off-by:
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Roman Zippel authored
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Roman Zippel authored
gcc-3.x has a few problems detecting a constant parameter. Signed-off-by:
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Chuck Ebbert authored
Add cpu_relax() to infinite loops in crash.c and doublefault.c. This is the safest change. Signed-off-by:
Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by:
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Andreas Mohr authored
Add cpu_relax() to various smpboot.c init loops. cpu_relax() always implies a barrier (according to Arjan), so remove those as well. Signed-off-by:
Andreas Mohr <andi@lisas.de> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by:
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Jeremy Fitzhardinge authored
Clean up and refactor i386 sub-architecture setup. This change moves all the code from the asm-i386/mach-*/setup_arch_pre/post.h headers, into arch/i386/mach-*/setup.c. mach-*/setup_arch_pre.h is renamed to setup_arch.h, and contains only things which should be in header files. It is purely code-motion; there should be no functional changes at all. Several functions in arch/i386/kernel/setup.c needed to be made non-static so that they're visible to the code in mach-*/setup.c. asm-i386/setup.h is used to hold the prototypes for these functions. Signed-off-by:
Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by:
Chris Wright <chrisw@sous-sol.org> Cc: Zachary Amsden <zach@vmware.com> Cc: Chris Wright <chrisw@sous-sol.org> Cc: Christian Limpach <Christian.Limpach@cl.cam.ac.uk> Cc: Martin Bligh <mbligh@google.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Andrey Panin <pazke@donpac.ru> Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by:
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Christoph Lameter authored
Hugh clarified the role of VM_LOCKED. So we can now implement page migration for mlocked pages. Allow the migration of mlocked pages. This means that try_to_unmap must unmap mlocked pages in the migration case. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Acked-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Christoph Lameter authored
Hooks for calling vma specific migration functions With this patch a vma may define a vma->vm_ops->migrate function. That function may perform page migration on its own (some vmas may not contain page structs and therefore cannot be handled by regular page migration. Pages in a vma may require special preparatory treatment before migration is possible etc) . Only mmap_sem is held when the migration function is called. The migrate() function gets passed two sets of nodemasks describing the source and the target of the migration. The flags parameter either contains MPOL_MF_MOVE which means that only pages used exclusively by the specified mm should be moved or MPOL_MF_MOVE_ALL which means that pages shared with other processes should also be moved. The migration function returns 0 on success or an error condition. An error condition will prevent regular page migration from occurring. On its own this patch cannot be included since there are no users for this functionality. But it seems that the uncached allocator will need this functionality at some point. Signed-off-by:
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Christoph Lameter authored
Remove VM_LOCKED before remap_pfn range from device drivers and get rid of VM_SHM. remap_pfn_range() already sets VM_IO. There is no need to set VM_SHM since it does nothing. VM_LOCKED is of no use since the remap_pfn_range does not place pages on the LRU. The pages are therefore never subject to swap anyways. Remove all the vm_flags settings before calling remap_pfn_range. After removing all the vm_flag settings no use of VM_SHM is left. Drop it. Signed-off-by:
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Zach Brown authored
AOP_TRUNCATED_PAGE victims in read_pages() belong in the LRU Nick Piggin rightly pointed out that the introduction of AOP_TRUNCATED_PAGE to read_pages() was wrong to leave A_T_P victim pages in the page cache but not put them in the LRU. Failing to do so hid them from the VM. A_T_P just means that the aop method unlocked the page rather than performing IO. It would be very rare that the page was truncated between the unlock and testing A_T_P. So we leave the pages in the LRU for likely reuse soon rather than backing them back out of the page cache. We do this by matching the behaviour before the A_T_P introduction which added pages to the LRU regardless of what ->readpage() did. This doesn't include the unrelated cleanup in Nick's initial fix which changed read_pages() to return void to match its only caller's behaviour of ignoring errors. Signed-off-by:
Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by:
Zach Brown <zach.brown@oracle.com> Signed-off-by:
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Stefan Richter authored
Also revert patch "frv: ieee1394 is borken on frv", as it no longer is. Signed-off-by:
Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: David Howells <dhowells@redhat.com> Cc: Jody McIntyre <scjody@modernduck.com> Cc: Ben Collins <bcollins@ubuntu.com> Signed-off-by:
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Andrew Morton authored
Convert a few stragglers over to for_each_possible_cpu(), remove for_each_cpu(). Signed-off-by:
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Andrew Morton authored
It's going away. I wonder if this code really meant to iterate across not-present, not-online CPUs. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits) [ARM] 3648/1: Update struct ucontext layout for coprocessor registers [ARM] Add identifying number for non-rt sigframe [ARM] Gather common sigframe saving code into setup_sigframe() [ARM] Gather common sigframe restoration code into restore_sigframe() [ARM] Re-use sigframe within rt_sigframe [ARM] Merge sigcontext and sigmask members of sigframe [ARM] Replace extramask with a full copy of the sigmask [ARM] Remove rt_sigframe puc and pinfo pointers [ARM] 3647/1: S3C24XX: add Osiris to the list of simtec pm machines [ARM] 3645/1: S3C2412: irq support for external interrupts [ARM] 3643/1: S3C2410: Add new usb clocks [ARM] 3642/1: S3C24XX: Add machine SMDK2413 [ARM] 3641/1: S3C2412: Fixup gpio register naming [ARM] 3640/1: S3C2412: Use S3C24XX_DCLKCON instead of S3C2410_DCLKCON [ARM] 3639/1: S3C2412: serial port support [ARM] 3638/1: S3C2412: core clocks [ARM] 3637/1: S3C24XX: Add mpll clock, and set as fclk parent [ARM] 3636/1: S3C2412: Add selection of CPU_ARM926 [ARM] 3635/1: S3C24XX: Add S3C2412 core cpu support [ARM] 3633/1: S3C24XX: s3c2410 gpio bugfix - wrong pin nos ...
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Linus Torvalds authored
This reverts commit 786dc1d3. As Al so eloquently points out, the patch is crap. The old code was fine, the new code was bogus. It never dereferenced a user pointer, the "->" operator was to an array member, which gives the _address_ of the member (in user space), not an actual dereference at all. Signed-off-by:
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- 24 Jun, 2006 5 commits
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Russell King authored
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Daniel Jacobowitz authored
Patch from Daniel Jacobowitz In order for userspace to find saved coprocessor registers, move them from struct rt_sigframe into struct ucontext. Also allow space for glibc's sigset_t, so that userspace and kernelspace can use the same ucontext layout. Define the magic numbers for iWMMXt in the header file for easier reference. Include the size of the coprocessor data in the magic numbers. Also define magic numbers and layout for VFP, not yet saved. Signed-off-by:
Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: radeon constify radeon microcode Add i915 ioctls to configure pipes for vblank interrupt. drm: update radeon to 1.25 add r200 vertex program support drm: radeon add a tcl state flush before accessing tcl vector space
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/intelfb-2.6Linus Torvalds authored
* 'intelfb-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/intelfb-2.6: intelfb delousing
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (40 commits) [SPARC64]: Update defconfig. [SPARC64]: Make auxio a real driver. [PARPORT] sunbpp: Convert to new SBUS device framework. [Documentation]: Update probing info in sbus_drivers.txt [SCSI] qlogicpti: Convert to new SBUS device framework. [SCSI] esp: Fix bug in esp_remove_common. [NET] sunhme: Kill useless loop over sdevs in quattro_sbus_find(). [NET] myri_sbus: Kill unused next_module struct member. [NET] myri_sbus: Convert to new SBUS device layer. [NET] sunqe: Convert to new SBUS driver layer. [NET] sunbmac: Convert over to new SBUS device framework. [NET] sunlance: Convert to new SBUS driver framework. [NET] sunhme: Convert to new SBUS driver framework. [NET] sunhme: Kill __sparc__ and __sparc_v9__ ifdefs. [SCSI] sparc: Port esp to new SBUS driver layer. [SOUND] sparc: Port amd7930 to new SBUS device layer. [SBUS]: Rewrite and plug into of_device framework. [SPARC]: Port of_device layer and make ebus use it. [SPARC]: Port sparc64 in-kernel device tree code to sparc32. [SPARC64]: Add of_device layer and make ebus/isa use it. ...
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