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* sh: linker script tidying.Paul Mundt2007-10-30
| | | | | | | | Some cleanups to the SH linker script. This reorders some of the data sections for more optimal placement, general tabification, and plugging in omitted generic definitions. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off legacy embedded ramdisk section.Paul Mundt2007-10-30
| | | | | | | | | When the SH kernel used to support embedding a ramdisk in the pre-initramfs days it was placed in a special section and made to look like a regular initrd. Since that was removed ages ago, kill off the remaining cruft that was missed. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Discard .exit.text/.exit.data at runtime.Paul Mundt2007-10-09
| | | | | | | These were previously discarded at link time, though as with MIPS we keep them around until runtime to satisfy .rodata references. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix up some section alignments in linker script.Paul Mundt2007-10-09
| | | | | | | | With the PERCPU() macro introduction .data.cacheline_aligned was inhereting PAGE_SIZE alignment, fix that up for L1_CACHE_BYTES again. Likewise, the initramfs section wants PAGE_SIZE alignment. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Define _ebss for uClinux MTD map driver.Paul Mundt2007-09-24
| | | | | | | The uClinux MTD device uses _ebss, add the symbol and corresponding export. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move entry point code to .text.head.Paul Mundt2007-07-20
| | | | | | | | | | | Follow Al Viro's m68k change from l-k: i.e. tell modpost that entry point code (that has to be outside of .init.text for external reasons) is OK to refer to .init.* Shuts up some section mismatch warnings from modpost. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* define new percpu interface for shared dataFenghua Yu2007-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | per cpu data section contains two types of data. One set which is exclusively accessed by the local cpu and the other set which is per cpu, but also shared by remote cpus. In the current kernel, these two sets are not clearely separated out. This can potentially cause the same data cacheline shared between the two sets of data, which will result in unnecessary bouncing of the cacheline between cpus. One way to fix the problem is to cacheline align the remotely accessed per cpu data, both at the beginning and at the end. Because of the padding at both ends, this will likely cause some memory wastage and also the interface to achieve this is not clean. This patch: Moves the remotely accessed per cpu data (which is currently marked as ____cacheline_aligned_in_smp) into a different section, where all the data elements are cacheline aligned. And as such, this differentiates the local only data and remotely accessed data cleanly. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Christoph Lameter <clameter@sgi.com> Cc: <linux-arch@vger.kernel.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sh: Add a .bss.page_aligned section for 4K stacks.Paul Mundt2007-07-11
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Align .machvec.init section on a 4-byte boundary.Takashi YOSHII2007-06-07
| | | | | | | | .machvec.init can be misaligned with the recent machvec changes, forcibly align it on the boundary that it expects, as before. Signed-off-by: Takashi YOSHII <takashi.yoshii.ze@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fixup machvec support.Paul Mundt2007-06-07
| | | | | | | | This fixes up much of the machvec handling, allowing for it to be overloaded on boot. Making practical use of this still requires some Kconfig munging, however. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* all-archs: consolidate .data section definition in asm-genericSam Ravnborg2007-05-19
| | | | | | | With this consolidation we can now modify the .data section definition in one spot for all archs. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* all-archs: consolidate .text section definition in asm-genericSam Ravnborg2007-05-19
| | | | | | Move definition of .text section to asm-generic. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* sh: generic BUG() support.Paul Mundt2007-05-06
| | | | | | | | | Wire up GENERIC_BUG for SH. This moves off of the special bug frame and on to the generic struct bug_entry. Roughly the same semantics are retained, and we can kill off some of the verbose BUG() reporting code. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* [PATCH] x86: Allow percpu variables to be page-alignedJeremy Fitzhardinge2007-05-02
| | | | | | | | | | | | | | | Let's allow page-alignment in general for per-cpu data (wanted by Xen, and Ingo suggested KVM as well). Because larger alignments can use more room, we increase the max per-cpu memory to 64k rather than 32k: it's getting a little tight. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.Paul Mundt2007-03-05
| | | | | | | Previously this was using a hardcoded 32, use L1_CACHE_BYTES for cacheline alignment instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* [PATCH] disable init/initramfs.c: architecturesJean-Paul Saman2007-02-11
| | | | | | | | | | | | Update all arch/*/kernel/vmlinux.lds.S to not include space for initramfs when CONFIG_BLK_DEV_INITRAMFS is not selected. This saves another 4 kbytes on most platfoms (some reserve PAGE_SIZE for initramfs). Signed-off-by: Jean-Paul Saman <jean-paul.saman@nxp.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sh: Fixup .data.page_aligned.Paul Mundt2006-12-11
| | | | | | This had a bogus .data.idt reference, fix it up.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* [PATCH] vmlinux.lds: consolidate initcall sectionsAndrew Morton2006-10-27
| | | | | | | | | | | | | | Add a vmlinux.lds.h helper macro for defining the eight-level initcall table, teach all the architectures to use it. This is a prerequisite for a patch which performs initcall synchronisation for multithreaded-probing. Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> [ Added AVR32 as well ] Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* sh: Add support for 4K stacks.Paul Mundt2006-09-27
| | | | | | | | | This enables support for 4K stacks on SH. Currently this depends on DEBUG_KERNEL, but likely all boards will switch to this as the default in the future. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: stack debugging support.Paul Mundt2006-09-27
| | | | | | This adds a DEBUG_STACK_USAGE and DEBUG_STACKOVERFLOW for SH. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Make PAGE_OFFSET configurable.Paul Mundt2006-09-27
| | | | | | | | nommu needs to be able to shift PAGE_OFFSET, so we switch it to a non-user-visible CONFIG_PAGE_OFFSET and use that in the few places where it matters. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off the .stack section.Paul Mundt2006-09-26
| | | | | | | | | | We had a special .stack section in the ld script that was being used to position r15 initially. This is nonsensical, as we can just use a THREAD_SIZE offset from the init_thread_union instead (as every other arch does). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-30
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
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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