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2008-05-16[PATCH] take init_files to fs/file.cAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-05-09m32r: use generic sys_pipeChristoph Hellwig
m32r can use the generic sys_pipe implementation. The current sys_pipe implementation on m32r only differes from the generic one by passing a lot of additional unused registers to sys_pipe. Reviewed and tested by Hirokazu Takata. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-08sys_pipe(): fix file descriptor leaksUlrich Drepper
Remember to close the files if copy_to_user() failed. Spotted by dm.n9107@gmail.com. Signed-off-by: Ulrich Drepper <drepper@redhat.com> Cc: DM <dm.n9107@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29m32r: cleanup: drop .data.idt section in vmlinux.lds scriptCyrill Gorcunov
The section .data.idt is not used at all - so drop it. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2008-04-17Generic semaphore implementationMatthew Wilcox
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>
2008-02-08procfs: constify function pointer tablesJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-By: David Howells <dhowells@redhat.com> Acked-by: Bryan Wu <bryan.wu@analog.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07m32r: build fix of arch/m32r/kernel/smpboot.cMathieu Desnoyers
This patch is for Mathieu Desnoyers's include/asm-m32r/local.h. Applying the new include/asm-m32r/local.h, inclusion of linux/sched.h is needed to fix a build error of arch/m32r/kernel/smpboot.c. <-- snip --> ... CC arch/m32r/kernel/smpboot.o /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c: In function 'do_boot_cpu': /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:279: error: implicit declaration of function 'fork_idle' /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:279: warning: assignment makes pointer from integer without a cast /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:283: error: dereferencing pointer to incomplete type /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:289: error: dereferencing pointer to incomplete type /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:290: error: implicit declaration of function 'task_thread_info' /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:290: error: invalid type argument of '->' /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c: In function 'start_secondary': /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:429: error: implicit declaration of function 'cpu_init' make[2]: *** [arch/m32r/kernel/smpboot.o] Error 1 <-- snip --> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07Introduce flags for reserve_bootmem()Bernhard Walle
This patchset adds a flags variable to reserve_bootmem() and uses the BOOTMEM_EXCLUSIVE flag in crashkernel reservation code to detect collisions between crashkernel area and already used memory. This patch: Change the reserve_bootmem() function to accept a new flag BOOTMEM_EXCLUSIVE. If that flag is set, the function returns with -EBUSY if the memory already has been reserved in the past. This is to avoid conflicts. Because that code runs before SMP initialisation, there's no race condition inside reserve_bootmem_core(). [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix powerpc build] Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: <linux-arch@vger.kernel.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05timerfd: fix remaining architecturesAndrew Morton
Cc: David Howells <dhowells@redhat.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Cc: Richard Curnow <rc@rc0.org.uk> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-03arch/m32r/: Spelling fixesJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
2008-01-28all archs: consolidate init and exit sections in vmlinux.lds.hSam Ravnborg
This patch consolidate all definitions of .init.text, .init.data and .exit.text, .exit.data section definitions in the generic vmlinux.lds.h. This is a preparational patch - alone it does not buy us much good. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-11-28m32r: Update sys_rt_sigsuspendHirokazu Takata
Update sys_rt_sigsuspend() of arch/m32r/signal.c. This modification is derived from generic one of kernel/signal.c. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-11-28m32r: Add missing syscallsHirokazu Takata
Add the following 39 syscalls for m32r: sys_add_key, sys_request_key, sys_keyctl, sys_ioprio_set, sys_ioprio_get, sys_inotify_init, sys_inotify_add_watch, sys_inotify_rm_watch, sys_migrate_pages, sys_openat, sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64, sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat, sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare, sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file_range, sys_tee, sys_vmsplice, sys_move_pages, sys_getcpu, sys_epoll_pwait, sys_utimensat, sys_signalfd, sys_timerfd, sys_eventfd, sys_fallocate Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-10-20spelling fixes: arch/m32r/Simon Arlott
Spelling fixes in arch/m32r/. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Adrian Bunk <bunk@kernel.org>
2007-10-19Use helpers to obtain task pid in printks (arch code)Alexey Dobriyan
One of the easiest things to isolate is the pid printed in kernel log. There was a patch, that made this for arch-independent code, this one makes so for arch/xxx files. It took some time to cross-compile it, but hopefully these are all the printks in arch code. Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17remove include/asm-*/ipc.hAdrian Bunk
All asm/ipc.h files do only #include <asm-generic/ipc.h>. This patch therefore removes all include/asm-*/ipc.h files and moves the contents of include/asm-generic/ipc.h to include/linux/ipc.h. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16m32r: convert to generic sys_ptraceChristoph Hellwig
Convert m32r to the generic sys_ptrace. The conversion requires an architecture hook after ptrace_attach which this patch adds. The hook will also be needed for a conersion of ia64 to the generic ptrace code. Thanks to Hirokazu Takata for fixing a bug in the first version of this code. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16M32R: cleanup struct irqaction initializersThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16Consolidate PTRACE_DETACHAlexey Dobriyan
Identical handlers of PTRACE_DETACH go into ptrace_request(). Not touching compat code. Not touching archs that don't call ptrace_request. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-06m32r: Rename STI/CLI macrosHirokazu Takata
The names of STI and CLI macros were derived from i386 arch historically, but their name are incomprehensible. So, for easy to understand, rename these macros to ENABLE_INTERRUPTS and DISABLE_INTERRUPTS, respectively. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-09-06m32r: build fix of entry.SHirokazu Takata
This patch fixes the following compile error: <-- snip --> ... AS arch/m32r/kernel/entry.o /home/bunk/linux/kernel-2.6/linux-2.6.23-rc3-mm1/arch/m32r/kernel/entry.S: Assembler messages: /home/bunk/linux/kernel-2.6/linux-2.6.23-rc3-mm1/arch/m32r/kernel/entry.S:358: Error: bad instruction `addi r0,#(((((0)+(64))+(32))+(32)))' make[2]: *** [arch/m32r/kernel/entry.o] Error 1 <-- snip --> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: Adrian Bunk <bunk@kernel.org>
2007-09-03m32r: Separate syscall table from entry.SHirokazu Takata
- Separate sys_call_table from arch/m32r/kernel/entry.S and move it to arch/m32r/kernel/system_call.S. - Change sys_call_table section from .data to .rodata. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-09-03m32r: Cosmetic updates of arch/m32r/kernel/entry.SHirokazu Takata
- Remove unused symbols *_MASK - Change indentation of comments, etc. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-09-03m32r: Exit ei_handler directly for no IRQ case or IPI operationsHirokazu Takata
If no IRQ request is found in the IRQ check of ei_handler, we can exit directly by jumping "restore_all", instead of via "ret_from_intr". This modification is also likely effective for IPI operations, because scheduler call never happen at the exit of IPIs. Signed-off-by: Hitoshi Yamamoto <hitoshiy@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-09-03m32r: Simplify ei_handler codeHirokazu Takata
Simplify and clean up messy ei_handler code in arch/m32r/kernel/entry.S. - Remove ifdef's for CONFIG_CHIP_* configulations. - Rearrange the M32700 workaround code. - Remove the messy platform-dependent interrupt check routines and consolidate them to common INT0/INT1/INT2 check routines for all platforms with cascaded interrupt controllers. Signed-off-by: Hitoshi Yamamoto <hitoshiy@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-09-03m32r: Rearrange platform-dependent codesHirokazu Takata
Rearrange platform-dependent codes from arch/m32r/kernel/*.c to arch/m32r/platforms/{platform}/. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2007-07-30m32r: build fix for removing fs.h from mm.hHirokazu Takata
This patch fixes the m32r build after the commit "Remove fs.h from mm.h" was merged (commit 4e950f6f0189f65f8bf069cf2272649ef418f5e4). Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-26m32r: Fix ei_tx_timeout() in drivers/net/lib8390.cHirokazu Takata
Change INT0 trigger mode from edge-sense mode to level-sense mode, in order to fix the following timeout error: 'NETDEV WATCHDOG: eth0: transmit timed out'. This patch is required only for the Mappi platform. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: Hitoshi Yamamoto <hitoshiy@linux-m32r.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19define new percpu interface for shared dataFenghua Yu
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>
2007-07-17PTRACE_POKEDATA consolidationAlexey Dobriyan
Identical implementations of PTRACE_POKEDATA go into generic_ptrace_pokedata() function. AFAICS, fix bug on xtensa where successful PTRACE_POKEDATA will nevertheless return EPERM. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17PTRACE_PEEKDATA consolidationAlexey Dobriyan
Identical implementations of PTRACE_PEEKDATA go into generic_ptrace_peekdata() function. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-19all-archs: consolidate .data section definition in asm-genericSam Ravnborg
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>
2007-05-19all-archs: consolidate .text section definition in asm-genericSam Ravnborg
Move definition of .text section to asm-generic. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-05-08header cleaning: don't include smp_lock.h when not usedRandy Dunlap
Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-02[PATCH] x86: Allow percpu variables to be page-alignedJeremy Fitzhardinge
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>
2007-02-12[PATCH] Dynamic kernel command-line: m32rAlon Bar-Lev
1. Rename saved_command_line into boot_command_line. 2. Set command_line as __initdata. Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] Consolidate default sched_clock()Alexey Dobriyan
Use attribute(weak). Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] disable init/initramfs.c: architecturesJean-Paul Saman
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>
2007-02-11[PATCH] m32r: cosmetic updates and trivial fixesHirokazu Takata
Cosmetic updates and trivial fixes of m32r arch-dependent files. - Remove RCS ID strings and trailing white lines - Other misc. cosmetic updates Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] m32r: fix kernel entry address of vmlinuxHirokazu Takata
This patch fixes the kernel entry point address of vmlinux. The m32r kernel entry address is 0x08002000 (physical). But, so far, the ENTRY point written in vmlinux.lds.S was not point the correct kernel entry address. (before fix) $ objdump -x vmlinux vmlinux: file format elf32-m32r-linux vmlinux architecture: m32r2, flags 0x00000112: EXEC_P, HAS_SYMS, D_PAGED start address 0x88002090 /* NG */ : Sections: Idx Name Size VMA LMA File off Algn 0 .empty_zero_page 00001000 88001000 88001000 00001000 2**12 CONTENTS, ALLOC, LOAD, DATA 1 .boot 0000008c 88002000 88002000 00002000 2**2 CONTENTS, ALLOC, LOAD, READONLY, CODE 2 .text 001ab694 88002090 88002090 00002090 2**4 CONTENTS, ALLOC, LOAD, READONLY, CODE : (after fix) $ objdump -x vmlinux vmlinux: file format elf32-m32r-linux vmlinux architecture: m32r2, flags 0x00000112: EXEC_P, HAS_SYMS, D_PAGED start address 0x08002000 /* OK */ : This fix also remedies the following GDB error message (of gdb-6.4 or after) at the first operation of kernel debugging: "Previous frame identical to this frame (corrupt stack?)". Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-11[PATCH] m32r: build fix for processors without ISA_DSP_LEVEL2Hirokazu Takata
Additional fixes for processors without ISA_DSP_LEVEL2. sigcontext_t does not have dummy_acc1h, dummy_acc1l members any longer. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-01-11[PATCH] Change cpu_up and co from __devinit to __cpuinitGautham R Shenoy
Compiling the kernel with CONFIG_HOTPLUG = y and CONFIG_HOTPLUG_CPU = n with CONFIG_RELOCATABLE = y generates the following modpost warnings WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between '_cpu_up' (at offset 0xc0141b7d) and 'cpu_up' WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between '_cpu_up' (at offset 0xc0141b9c) and 'cpu_up' WARNING: vmlinux - Section mismatch: reference to .init.text:__cpu_up from .text between '_cpu_up' (at offset 0xc0141bd8) and 'cpu_up' WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between '_cpu_up' (at offset 0xc0141c05) and 'cpu_up' WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between '_cpu_up' (at offset 0xc0141c26) and 'cpu_up' WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between '_cpu_up' (at offset 0xc0141c37) and 'cpu_up' This is because cpu_up, _cpu_up and __cpu_up (in some architectures) are defined as __devinit AND __cpu_up calls some __cpuinit functions. Since __cpuinit would map to __init with this kind of a configuration, we get a .text refering .init.data warning. This patch solves the problem by converting all of __cpu_up, _cpu_up and cpu_up from __devinit to __cpuinit. The approach is justified since the callers of cpu_up are either dependent on CONFIG_HOTPLUG_CPU or are of __init type. Thus when CONFIG_HOTPLUG_CPU=y, all these cpu up functions would land up in .text section, and when CONFIG_HOTPLUG_CPU=n, all these functions would land up in .init section. Tested on a i386 SMP machine running linux-2.6.20-rc3-mm1. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-08[PATCH] m32r: bootloader support for OPSPUT platformHirokazu Takata
This patch supports "m32r-g00ff" bootloader for an OPSPUT platform. Applying this patch, it is possible to do ATA-boot from an IDE drive or HTTP-boot from network by m32r-g00ff. * arch/m32r/boot/compressed/m32r_sio.c: Fix hangup on OPSPUT at boot. * arch/m32r/kernel/io_opsput.c: IDE support for OPSPUT. * arch/m32r/kernel/setup_opsput.c: ditto. * include/asm-m32r/ide.h: ditto. Signed-off-by: Kazuhiro Inaoka <inaoka@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-08[PATCH] m32r: fix ace_handler to pass full 32-bit addressHirokazu Takata
Don't mask the lower 12-bit of the page fault address. In the current m32r kernel implementation, we use an access exception to detect page faults. This patch fixes ace_handler (access exception handler) for m32r. In order to check userspace address in do_page_fault, we have to pass full 32-bit address to do_page_fault. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-08[PATCH] m32r: make userspace headers platform-independentHirokazu Takata
The m32r kernel 2.6.18-rc1 or after cause build errors of "unknown isa configuration" for userspace application programs, such as glibc, gdb, etc. This is because the recent kernel do not include linux/config.h not to expose kernel headers for userspace. To fix the above compile errors, this patch fixes two headers ptrace.h and sigcontext.h for m32r and makes them platform-independent. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] initrd: remove unused false condition for initrd_startHenry Nestler
After LOADER_TYPE && INITRD_START are true, the short if-condition for INITRD_START can never be false. Remove unused code from the else condition. Signed-off-by: Henry Nestler <henry.ne@arcor.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] Add include/linux/freezer.h and move definitions from sched.hNigel Cunningham
Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. [akpm@osdl.org: fix ueagle driver] Signed-off-by: Nigel Cunningham <nigel@suspend2.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-27[PATCH] vmlinux.lds: consolidate initcall sectionsAndrew Morton
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>
2006-10-11[PATCH] m32r: more __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-11[PATCH] m32r: NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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