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* Merge branch 'kbuild' of ↵Linus Torvalds2016-10-141-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: - EXPORT_SYMBOL for asm source by Al Viro. This does bring a regression, because genksyms no longer generates checksums for these symbols (CONFIG_MODVERSIONS). Nick Piggin is working on a patch to fix this. Plus, we are talking about functions like strcpy(), which rarely change prototypes. - Fixes for PPC fallout of the above by Stephen Rothwell and Nick Piggin - fixdep speedup by Alexey Dobriyan. - preparatory work by Nick Piggin to allow architectures to build with -ffunction-sections, -fdata-sections and --gc-sections - CONFIG_THIN_ARCHIVES support by Stephen Rothwell - fix for filenames with colons in the initramfs source by me. * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: (22 commits) initramfs: Escape colons in depfile ppc: there is no clear_pages to export powerpc/64: whitelist unresolved modversions CRCs kbuild: -ffunction-sections fix for archs with conflicting sections kbuild: add arch specific post-link Makefile kbuild: allow archs to select link dead code/data elimination kbuild: allow architectures to use thin archives instead of ld -r kbuild: Regenerate genksyms lexer kbuild: genksyms fix for typeof handling fixdep: faster CONFIG_ search ia64: move exports to definitions sparc32: debride memcpy.S a bit [sparc] unify 32bit and 64bit string.h sparc: move exports to definitions ppc: move exports to definitions arm: move exports to definitions s390: move exports to definitions m68k: move exports to definitions alpha: move exports to actual definitions x86: move exports to actual definitions ...
| * m68k: move exports to definitionsAl Viro2016-08-071-1/+1
| | | | | | | | | | Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | m68k: generalize uboot command line supportGreg Ungerer2016-09-261-0/+1
|/ | | | | | | | | | The uboot command line support needs to be used by both MMU and no-MMU setups, but currently we only have the code in the no-MMU code paths. Move the uboot command line processing code into its own file. Add appropriate calls to it from both the MMU and no-MMU arch setup code. Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k: Multi-platform EARLY_PRINTKFinn Thain2014-05-281-0/+2
| | | | | | | | | | | | | | | | | | | | | Make the boot console available to more m68k platforms by leveraging the head.S debug console. The boot console is enabled by the "earlyprintk" command line argument which is how most other architectures do this. This is a change of behaviour for the Mac but does not negatively impact the common use-case which is not debugging. This is also a change of behaviour for other platforms because it means the serial port stays quiet when CONFIG_EARLY_PRINTK is not enabled. This is also an improvement for the common use-case. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Stephen N Chivers <schivers@csc.com.au> [Geert: CONSOLE_DEBUG should depend on CONFIG_FONT_SUPPORT] Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k: Add support to export bootinfo in procfsGeert Uytterhoeven2013-12-081-0/+1
| | | | | | | | | Add optional support to export the bootinfo used to boot the kernel in a "bootinfo" file in procfs. This is useful with kexec. This is based on the similar feature for ATAGS on ARM. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k: Add kexec supportGeert Uytterhoeven2013-12-081-0/+2
| | | | Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k: Sort out !CONFIG_MMU_SUN3 vs. CONFIG_HAS_DMAGeert Uytterhoeven2013-02-091-3/+1
| | | | | | | | | In two places, we check !CONFIG_MMU_SUN3 while we should check CONFIG_HAS_DMA instead. While fixing this, the check in <asm/dma-mapping.h> became redundant (<linux/dma-mapping.h> already handles this case), so just remove it. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k: common PCI support definitions and codeGreg Ungerer2012-07-171-0/+1
| | | | | | | | | Basic set of definitions and support code required to turn on CONFIG_PCI for the m68k architecture. Nothing specific to any PCI implementation in any m68k class CPU hardware yet. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k: Use generic init_taskThomas Gleixner2012-05-051-1/+1
| | | | | | | | Same code. Use the generic version. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Link: http://lkml.kernel.org/r/20120503085034.816195285@linutronix.de
* m68k: do not use m68k startup or interrupt code for ColdFire CPUsGreg Ungerer2011-12-301-3/+11
| | | | | | | | | | | | | | | The ColdFire CPUs have their own startup and interrupt code (in the platform/coldfire directory), and do not use the general m68k startup and interrupt code. In fact the use of the arch/m68k/kernel/head.o is not about CONFIG_MMU or not, it is really about the machine type we are compiling for. Modify the selection and use of head.o to be based on the machine type. Only select the local ints.o and vectors.o code if we are using the classic 68k CPU types (that use the conventional Morotola MMU or SUN3 MMU). Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Matt Waddel <mwaddel@yahoo.com> Acked-by: Kurt Mahan <kmahan@xmission.com>
* m68k: merge the init_task code for mmu and non-mmu targetsGreg Ungerer2011-12-241-5/+2
| | | | | | | | | | | | | The init_task code can be the same for both mmu and non-mmu targets. None of the alignment carried out in the the current init_task code is necessary. The linker script takes care of aligning the init_thread structure to a THREAD SIZE boundary, and that is all we need. So use the init_task.c code for all target types, that makes m68k code consistent with what most other architectures do. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k/irq: Remove obsolete m68k irq frameworkGeert Uytterhoeven2011-11-081-8/+2
| | | | Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
* m68k/irq: Add genirq supportGeert Uytterhoeven2011-11-081-2/+7
| | | | | | | Disabled on all platforms for now Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> [v1] Acked-by: Thomas Gleixner <tglx@linutronix.de>
* m68k: move hardware vector setting from traps.c to its own fileGreg Ungerer2011-10-181-1/+1
| | | | | | | | | | | | Most of the trap.c code is general to all m68k arch members. But the code it currently contains to set the hardware vector table is quite specific to the 680x0 family. They can have the vector table at any address unlike other family members (which either support only a single fixed address, or a limited range of addresses). So lets move that code out to a new file, vectors.c. This will make sharing the rest of the trap.c code easier and cleaner. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
* m68k: merge the mmu and non-mmu kernel/MakefilesGreg Ungerer2011-10-181-4/+20
| | | | | | | | | The few differences between the mmu and non-mmu kernel/Makefiles can easily be handled inside of a single Makefile. Merge the 2 back into a single Makefile. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Sam Ravnborg <sam@ravnborg.org>
* m68k: merge m68k and m68knommu arch directoriesGreg Ungerer2011-03-251-15/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is a lot of common code that could be shared between the m68k and m68knommu arch branches. It makes sense to merge the two branches into a single directory structure so that we can more easily share that common code. This is a brute force merge, based on a script from Stephen King <sfking@fdwdc.com>, which was originally written by Arnd Bergmann <arnd@arndb.de>. > The script was inspired by the script Sam Ravnborg used to merge the > includes from m68knommu. For those files common to both arches but > differing in content, the m68k version of the file is renamed to > <file>_mm.<ext> and the m68knommu version of the file is moved into the > corresponding m68k directory and renamed <file>_no.<ext> and a small > wrapper file <file>.<ext> is used to select between the two version. Files > that are common to both but don't differ are removed from the m68knommu > tree and files and directories that are unique to the m68knommu tree are > moved to the m68k tree. Finally, the arch/m68knommu tree is removed. > > To select between the the versions of the files, the wrapper uses > > #ifdef CONFIG_MMU > #include <file>_mm.<ext> > #else > #include <file>_no.<ext> > #endif On top of this file merge I have done a simplistic merge of m68k and m68knommu Kconfig, which primarily attempts to keep existing options and menus in place. Other than a handful of options being moved it produces identical .config outputs on m68k and m68knommu targets I tested it on. With this in place there is now quite a bit of scope for merge cleanups in future patches. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
* m68k: remove the dead PCI codeAdrian Bunk2008-10-141-1/+0
| | | | | | | | This patch removes the no longer used m68k PCI code. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Stringify support commasMathieu Desnoyers2008-07-201-2/+0
| | | | | | | | | | | | > This is a no-no for those archs that still use -traditional. > > I dunno if this is a problem for you at the moment and the > > right fix is anyway to nuke -traditional. > > > > Sam Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Generic semaphore implementationMatthew Wilcox2008-04-171-1/+1
| | | | | | | | | | | Semaphores are no longer performance-critical, so a generic C implementation is better for maintainability, debuggability and extensibility. Thanks to Peter Zijlstra for fixing the lockdep warning. Thanks to Harvey Harrison for pointing out that the unlikely() was unnecessary. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Ingo Molnar <mingo@elte.hu>
* m68k: runtime patching infrastructureRoman Zippel2007-05-311-2/+1
| | | | | | | | | | | | Add the basic infrastructure to allow runtime patching of kernel and modules to optimize a few functions with parameters, which are only calculated once during bootup and are otherwise constant. Use this for the conversion between virtual and physical addresses. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sort the devres mess outAl Viro2007-02-111-1/+3
| | | | | | | | | | | | | * Split the implementation-agnostic stuff in separate files. * Make sure that targets using non-default request_irq() pull kernel/irq/devres.o * Introduce new symbols (HAS_IOPORT and HAS_IOMEM) defaulting to positive; allow architectures to turn them off (we needed these symbols anyway for dependencies of quite a few drivers). * protect the ioport-related parts of lib/devres.o with CONFIG_HAS_IOPORT. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] m68k/kernel/dma.c assumes !MMU_SUN3Al Viro2006-10-081-1/+2
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68k: Add the generic dma API functionsRoman Zippel2006-06-251-2/+2
| | | | | | Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+18
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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