- 05 May, 2005 40 commits
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Al Viro authored
Use explicit os-... in make dependencies instead of playing with symlinks (symlink in question is still created - it's needed for other things; however, there's no reason to complicate ordering here). Signed-off-by:
Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Al Viro authored
Make vmlinux.lds.S include appopriate script instead of playing games with symlinks. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
- Fix some problems with usage of $(targets) (sometimes missing, sometimes used badly) that trigger partial rebuilds when doing a rebuild. - At that purpose, also factor out some common code for symlinks creation. - Fix a x86-64 build warning, caused by -L/usr/lib, which is anyway useless, and invalid in the x86-64 case. Tested on x86_64 and x86. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
In include/asm-x86_64/string.h there are such comments: /* Use C out of line version for memcmp */ #define memcmp __builtin_memcmp int memcmp(const void * cs,const void * ct,size_t count); This would mean that if the compiler does not decide to use __builtin_memcmp, it emits a call to memcmp to be satisfied by the C out-of-line version in lib/string.c. What happens is that after preprocessing, in lib/string.i you may find the definition of "__builtin_strcmp". Actually, by accident, in the object you will find the definition of strcmp and such (maybe a trick intended to redirect calls to __builtin_memcmp to the default memcmp when the definition is not expanded); however, this particular case is not a documented feature as far as I can see. Also, the EXPORT_SYMBOL does not work, so it's duplicated in the arch. I simply added some #undef to lib/string.c and removed the (now duplicated) exports in x86-64 and UML/x86_64 subarchs (the second ones are introduced by another patch I just posted for -mm). Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
These are some trivial fixes for the x86-64 subarch module support. The only potential problem is that I have to modify arch/x86_64/kernel/module.c, to avoid copying the whole of it. I can't use it verbatim because it depends on a special vmalloc-like area for modules, which for now (maybe that's to fix, I guess not) UML/x86-64 has not. I went the easy way and reused the i386 vmalloc()-based allocator. Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
This patch does some totally trivial compilation fixes. It also restores the debugregs manipulation, which was commented out simply because it doesn't compile on x86_64 (we haven't yet implemented there debugregs handling). Signed-off-by:
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David Gibson authored
This patch started as simply removing a few never-used macros from asm-ppc64/pgtable.h, then kind of grew. It now makes a bunch of cleanups to the ppc64 low-level header files (with corresponding changes to .c files where necessary) such as: - Abolishing never-used macros - Eliminating multiple #defines with the same purpose - Removing pointless macros (cases where just expanding the macro everywhere turns out clearer and more sensible) - Removing some cases where macros which could be defined in terms of each other weren't - Moving imalloc() related definitions from pgtable.h to their own header file (imalloc.h) - Re-arranging headers to group things more logically - Moving all VSID allocation related things to mmu.h, instead of being split between mmu.h and mmu_context.h - Removing some reserved space for flags from the PMD - we're not using it. - Fix some bugs which broke compile with STRICT_MM_TYPECHECKS. Signed-off-by:
David Gibson <dwg@au1.ibm.com> Acked-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
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Jesper Juhl authored
There's no help text for CONFIG_DEBUG_STACKOVERFLOW - add one. Signed-off-by:
Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Anton Blanchard authored
While looking at code generated by gcc4.0 I noticed some functions still had frame pointers, even after we stopped ppc64 from defining CONFIG_FRAME_POINTER. It turns out kernel/Makefile hardwires -fno-omit-frame-pointer on when compiling schedule.c. Create CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER and define it on architectures that dont require frame pointers in sched.c code. (akpm: blame me for the name) Signed-off-by:
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Kumar Gala authored
We can identify new Freescale PPC cores by the fact that the MSB of the PVR is set. If we are a new Freescale core the decode of major/minor revision numbers is simplified so we dont have to add new case checks for a every new Freescale core. Signed-off-by:
Kumar Gala <kumar.gala@freescale.com> Signed-off-by:
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David Woodhouse authored
The PPC32 kernel puts platform-specific functions into separate sections so that unneeded parts of it can be freed when we've booted and actually worked out what we're running on today. This makes kallsyms ignore those functions, because they're not between _[se]text or _[se]inittext. Rather than teaching kallsyms about the various pmac/chrp/etc sections, this patch adds '_[se]extratext' markers for kallsyms. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Herbert Xu authored
The following patch works around the misdetection of the CXT48 codec as a modem by the OSS ac97 driver. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Stuart Brady authored
Fixes for big-endian systems in soundcard.h and awe_voice.h This patch fixes the AFMT_S16_NE (include/linux/soundcard.h) and AWE_PATCH (awe_voice.h) macros on big-endian systems. It also moves _PATCHKEY into a new file, patchkey.h, in order to remove a duplicate definition of it from awe_voice.h. Signed-off-by:
Stuart Brady <sdbrady@ntlworld.com> Signed-off-by:
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Andrew Morton authored
Fix bug #4509 Signed-off-by:
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Jason Gaston authored
This patch fixes a typo in the Intel AC'97 audio driver intel8x0.c for Intel ESB2. Signed-off-by:
Jason Gaston <Jason.d.gaston@intel.com> Cc: <tiwai@suse.de> Cc: <perex@suse.cz> Signed-off-by:
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Andrea Arcangeli authored
This makes sure that reclaimable buffer headers and reclaimable inodes are accounted properly during the overcommit checks. Signed-off-by:
Andrea Arcangeli <andrea@suse.de> Signed-off-by:
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Alexander Nyberg authored
The recent change fix-crash-in-entrys-restore_all.patch childregs->esp = esp; p->thread.esp = (unsigned long) childregs; - p->thread.esp0 = (unsigned long) (childregs+1); + p->thread.esp0 = (unsigned long) (childregs+1) - 8; p->thread.eip = (unsigned long) ret_from_fork; introduces an inconsistency between esp and esp0 before the task is run the first time. esp0 is no longer the actual start of the stack, but 8 bytes off. This shows itself clearly in a scenario when a ptracer that is set to also ptrace eventual children traces program1 which then clones thread1. Now the ptracer wants to modify the registers of thread1. The x86 ptrace implementation bases it's knowledge about saved user-space registers upon p->thread.esp0. But this will be a few bytes off causing certain writes to the kernel stack to overwrite a saved kernel function address making the kernel when actually running thread1 jump out into user-space. Very spectacular. The testcase I've used is: /* start with strace -f ./a.out */ #include <pthread.h> #include <stdio.h> void *do_thread(void *p) { for (;;); } int main() { pthread_t one; pthread_create(&one, NULL, &do_thread, NULL); for (;;); return 0; } So, my solution is to instead of just adjusting esp0 that creates an inconsitent state I adjust where the user-space registers are saved with -8 bytes. This gives us the wanted extra bytes on the start of the stack and esp0 is now correct. This solves the issues I saw from the original testcase from Mateusz Berezecki and has survived testing here. I think this should go into -mm a round or two first however as there might be some cruft around depending on pt_regs lying on the start of the stack. That however would have broken with the first change too! It's actually a 2-line diff but I had to move the comment of why the -8 bytes are there a few lines up. Thanks to Zwane for helping me with this. Signed-off-by:Alexander Nyberg <alexn@telia.com> Signed-off-by:
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Linus Torvalds authored
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Nicolas Pitre authored
Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre Signed-off-by:Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
Patch from Nicolas Pitre This better express things, and should cover RMK's weird SMP toys. Signed-off-by: Nicolas Pitre Signed-off-by: -
Arnaldo Carvalho de Melo authored
This patch adds i18n support for make *config, allowing users to have the config process in their own language. No printk was harmed in the process, don't worry, so all the bug reports, kernel messages, etc, remain in english, just the user tools to configure the kernel are internationalized. Users not interested in translations can just unset the related LANG, LC_ALL, etc env variables and have the config process in plain english, something like: LANG= make menuconfig is enough for having the whole config process in english. Or just don't install any translation file. Translations for brazilian portuguese are being done by a team of volunteers at: http://www.visionflex.inf.br/kernel_ptbr/pmwiki.php/Principal/Traducoes To start the translation process: make update-po-config This will generate the pot template named scripts/kconfig/linux.pot, copy it to, say, ~/es.po, to start the translation for spanish. To test your translation, as root issue this command: msgfmt -o /usr/share/locale/es/LC_MESSAGES/linux.mo ~/es.po Replace "es" with your language code. Then execute, for instance: make menuconfig The current patch doesn't use any optimization to reduce the size of the generated .mo file, it is possible to use the config option as a key, but this doesn't prevent the current patch from being used or the translations done under the current scheme to be in any way lost if we chose to do any kind of keying. Thanks to Fabricio Vaccari for starting the pt_BR (brazilian portuguese) translation effort, Thiago Maciera for helping me with the gconf.cc (QT frontent) i18n coding and to all the volunteers that are already working on the first translation, to pt_BR. I left the question on whether to ship the translations with the stock kernel sources to be discussed here, please share your suggestions. Signed-off-by:
Arnaldo Carvalho de Melo <acme@conectiva.com.br> Signed-off-by:
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Coywolf Qi Hunt authored
Currently sparc and sparc64's UP cpu_idle() checks current pid. This is old time legacy. Now it's paranoia. Signed-off-by:
Coywolf Qi Hunt <coywolf@lovecn.org> Acked-by:
William Irwin <wli@holomorphy.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Signed-off-by: -
Michael Chan authored
tg3_stop_block() errors can be safely ignored since tg3_chip_reset() always follows tg3_stop_block() calls. Signed-off-by:
Michael Chan <mchan@broadcom.com> Signed-off-by:
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David S. Miller authored
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Patrick McHardy authored
multipath_wrandom needs to use GFP_ATOMIC. Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
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Christoph Hellwig authored
warning: untested, but it there's not too much chance for screwups Signed-off-by: -
Christoph Hellwig authored
this matches the API used by other link layer like ethernet or token ring. Signed-off-by:
Christoph Hellwig <hch@lst.de> Acked-by:
Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by:
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Arnaldo Carvalho de Melo authored
This causes sk->sk_prot to change, which makes the socket release free the sock into the wrong SLAB cache. Fix this by introducing sk_prot_creator so that we always remember where the sock came from. Signed-off-by:
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Nathan Scott authored
SGI Modid: xfs-linux:xfs-kern:22378a Signed-off-by:
Nathan Scott <nathans@sgi.com> Signed-off-by:
Christoph Hellwig <hch@sgi.com>
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Nathan Scott authored
[XFS] Use the right offset when ensuring a delayed allocate conversion has covered the offset originally requested. Can cause data corruption when multiple processes are performing writeout on different areas of the same file. Quite difficult to hit though. SGI Modid: xfs-linux:xfs-kern:22377a Signed-off-by:
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Nathan Scott authored
SGI Modid: xfs-linux:xfs-kern:22376a Signed-off-by:
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Eric Sandeen authored
SGI Modid: xfs-linux:xfs-kern:191625a Signed-off-by:
Eric Sandeen <sandeen@sgi.com> Signed-off-by:
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Daniel Moore authored
SGI Modid: xfs-linux:xfs-kern:191586a Signed-off-by:
Daniel Moore <dxm@sgi.com> Signed-off-by:
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Nathan Scott authored
handling for unwritten extents can be moved out of interrupt context. SGI Modid: xfs-linux:xfs-kern:22343a Signed-off-by:
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Nathan Scott authored
SGI Modid: xfs-linux:xfs-kern:22342a Signed-off-by:
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Eric Sandeen authored
SGI Modid: xfs-linux:xfs-kern:191411a Signed-off-by:
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Nathan Scott authored
SGI Modid: xfs-linux:xfs-kern:22261a Signed-off-by:
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