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* sched: reduce schedstat variable overhead a bitKen Chen2007-10-184-37/+35
| | | | | | | | | | | | | | | | | schedstat is useful in investigating CPU scheduler behavior. Ideally, I think it is beneficial to have it on all the time. However, the cost of turning it on in production system is quite high, largely due to number of events it collects and also due to its large memory footprint. Most of the fields probably don't need to be full 64-bit on 64-bit arch. Rolling over 4 billion events will most like take a long time and user space tool can be made to accommodate that. I'm proposing kernel to cut back most of variable width on 64-bit system. (note, the following patch doesn't affect 32-bit system). Signed-off-by: Ken Chen <kenchen@google.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: add KERN_CONT annotationIngo Molnar2007-10-181-11/+11
| | | | | | | printk: add the KERN_CONT annotation (which is empty string but via which checkpatch.pl can notice that the lacking KERN_ level is fine). Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: cleanup, make struct rq comments more consistentIngo Molnar2007-10-181-4/+8
| | | | | | | | cleanup, make struct rq comments more consistent. found via scripts/checkpatch.pl. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: cleanup, fix spacingIngo Molnar2007-10-181-7/+7
| | | | | | | | | cleanup: fix sysctl_sched_features initialization spacing, and fix sd_alloc_ctl_cpu_table() prototype spacing. found via scripts/checkpatch.pl. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: fix return value of wait_for_completion_interruptible()Andi Kleen2007-10-181-1/+4
| | | | | | | | | | | | | | | | | | | | | | | The recent wait_for_completion() cleanups: commit 8cbbe86dfcfd68ad69916164bdc838d9e09adca8 Author: Andi Kleen <ak@suse.de> Date: Mon Oct 15 17:00:14 2007 +0200 sched: cleanup: refactor common code of sleep_on / wait_for_completion Refactor common code of sleep_on / wait_for_completion broke the return value of wait_for_completion_interruptible(). Previously it returned 0 on success, now -1. Fix that. Problem found by Geert Uytterhoeven. [ mingo: fixed whitespace damage ] Reported-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge branch 'release' of ↵Linus Torvalds2007-10-171-1/+3
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] fix non-numa build
| * [IA64] fix non-numa buildAndrew Morton2007-10-171-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch/ia64/kernel/machine_kexec.c: In function `arch_crash_save_vmcoreinfo': arch/ia64/kernel/machine_kexec.c:131: error: `pgdat_list' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:131: error: (Each undeclared identifier is reported only once arch/ia64/kernel/machine_kexec.c:131: error: for each function it appears in.) arch/ia64/kernel/machine_kexec.c:134: error: `node_memblk' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:135: error: `NR_NODE_MEMBLKS' undeclared (first use in this function) arch/ia64/kernel/machine_kexec.c:136: error: invalid application of `sizeof' to incomplete type `node_memblk_s' arch/ia64/kernel/machine_kexec.c:137: error: dereferencing pointer to incomplete type arch/ia64/kernel/machine_kexec.c:138: error: dereferencing pointer to incomplete type make[1]: *** [arch/ia64/kernel/machine_kexec.o] Error 1 Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2007-10-1719-489/+689
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: remove sysctl 9p: fix bad kconfig cross-dependency 9p: soften invalidation in loose_mode 9p: attach-per-user 9p: rename uid and gid parameters 9p: define session flags 9p: Make transports dynamic
| * | 9p: remove sysctlEric Van Hensbergen2007-10-174-106/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A sysctl method was added to enable and disable debugging levels. After further review, it was decided that there are better approaches to doing this and the sysctl methodology isn't really desirable. This patch removes the sysctl code from 9p. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: fix bad kconfig cross-dependencyEric Van Hensbergen2007-10-175-46/+67
| | | | | | | | | | | | | | | | | | | | | | | | This patch moves transport dynamic registration and matching to the net module to prevent a bad Kconfig dependency between the net and fs 9p modules. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: soften invalidation in loose_modeEric Van Hensbergen2007-10-171-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Loose mode in 9p utilizes the page cache without respecting coherency with the server. Any writes previously invaldiated the entire mapping for a file. This patch softens the behavior to only invalidate the region of the actual write. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: attach-per-userLatchesar Ionkov2007-10-179-72/+247
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 9P2000 protocol requires the authentication and permission checks to be done in the file server. For that reason every user that accesses the file server tree has to authenticate and attach to the server separately. Multiple users can share the same connection to the server. Currently v9fs does a single attach and executes all I/O operations as a single user. This makes using v9fs in multiuser environment unsafe as it depends on the client doing the permission checking. This patch improves the 9P2000 support by allowing every user to attach separately. The patch defines three modes of access (new mount option 'access'): - attach-per-user (access=user) (default mode for 9P2000.u) If a user tries to access a file served by v9fs for the first time, v9fs sends an attach command to the server (Tattach) specifying the user. If the attach succeeds, the user can access the v9fs tree. As there is no uname->uid (string->integer) mapping yet, this mode works only with the 9P2000.u dialect. - allow only one user to access the tree (access=<uid>) Only the user with uid can access the v9fs tree. Other users that attempt to access it will get EPERM error. - do all operations as a single user (access=any) (default for 9P2000) V9fs does a single attach and all operations are done as a single user. If this mode is selected, the v9fs behavior is identical with the current one. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: rename uid and gid parametersLatchesar Ionkov2007-10-174-14/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the names of 'uid' and 'gid' parameters to the more appropriate 'dfltuid' and 'dfltgid'. This also sets the default uid/gid to -2 (aka nfsnobody) Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: define session flagsLatchesar Ionkov2007-10-173-17/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Create more general flags field in the v9fs_session_info struct and move the 'extended' flag as a bit in the flags. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: Make transports dynamicEric Van Hensbergen2007-10-1712-285/+379
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch abstracts out the interfaces to underlying transports so that new transports can be added as modules. This should also allow kernel configuration of transports without ifdef-hell. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2007-10-178-4/+1143
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: net: libertas sdio driver mmc: at91_mci: cleanup: use MCI_ERRORS mmc: possible leak in mmc_read_ext_csd
| * | net: libertas sdio driverPierre Ossman2007-10-176-0/+1140
| | | | | | | | | | | | | | | | | | | | | Add driver for Marvell's Libertas 8385 and 8686 wifi chips. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Acked-by: Dan Williams <dcbw@redhat.com>
| * | mmc: at91_mci: cleanup: use MCI_ERRORSAndrew Victor2007-10-171-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A small MMC driver cleanup. Use the defined AT91_MCI_ERRORS in at91_mci_completed_command() instead of specifying all the error bits individually. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
| * | mmc: possible leak in mmc_read_ext_csdFlorin Malita2007-10-171-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The exception path associated with an invalid ext_csd_struct returns without freeing ext_csd. Coverity CID 1909. Signed-off-by: Florin Malita Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
* | | Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86Linus Torvalds2007-10-17252-4294/+2688
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86: (114 commits) x86: delete vsyscall files during make clean kbuild: fix typo SRCARCH in find_sources x86: fix kernel rebuild due to vsyscall fallout .gitignore update for x86 arch x86: unify include/asm/debugreg_32/64.h x86: unify include/asm/unwind_32/64.h x86: unify include/asm/types_32/64.h x86: unify include/asm/tlb_32/64.h x86: unify include/asm/siginfo_32/64.h x86: unify include/asm/bug_32/64.h x86: unify include/asm/mman_32/64.h x86: unify include/asm/agp_32/64.h x86: unify include/asm/kdebug_32/64.h x86: unify include/asm/ioctls_32/64.h x86: unify include/asm/floppy_32/64.h x86: apply missing DMA/OOM prevention to floppy_32.h x86: unify include/asm/cache_32/64.h x86: unify include/asm/cache_32/64.h x86: unify include/asm/dmi_32/64.h x86: unify include/asm/delay_32/64.h ...
| * | | x86: delete vsyscall files during make cleanSam Ravnborg2007-10-171-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | make clean failed to delete a few files in x86/kernel. This is because kbuild does not see the correct/full kernel/Makefile. As a workaround until the Makefiles are merged specify the files to be deleted in the common Makefile. Reported by Mike Galbraith <efault@gmx.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Mike Galbraith <efault@gmx.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | kbuild: fix typo SRCARCH in find_sourcesYinghai Lu2007-10-171-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | otherwise get the two copy file list in SRCARCH for cscope: C symbol: start_kernel File Function Line 0 proto.h <global> 11 extern void start_kernel(void ); 1 start_kernel.h <global> 10 extern asmlinkage void __init start_kernel(void ); 2 head32.c i386_start_kernel 37 start_kernel(); 3 head32.c i386_start_kernel 37 start_kernel(); 4 head64.c x86_64_start_kernel 85 start_kernel(); 5 head64.c x86_64_start_kernel 85 start_kernel(); 6 head_32.S options 199 cmpb $0,%cl #the first CPU calls start_kernel 7 head_32.S options 199 cmpb $0,%cl #the first CPU calls start_kernel 8 enlighten.c xen_start_kernel 1145 start_kernel(); 9 enlighten.c xen_start_kernel 1145 start_kernel(); a lguest.c lguest_init 1095 start_kernel(); b main.c start_kernel 513 asmlinkage void __init start_kernel(void ) after the patch: C symbol: start_kernel File Function Line 0 proto.h <global> 11 extern void start_kernel(void ); 1 start_kernel.h <global> 10 extern asmlinkage void __init start_kernel(void ); 2 head32.c i386_start_kernel 37 start_kernel(); 3 head64.c x86_64_start_kernel 85 start_kernel(); 4 head_32.S options 199 cmpb $0,%cl #the first CPU calls start_kernel 5 enlighten.c xen_start_kernel 1145 start_kernel(); 6 lguest.c lguest_init 1095 start_kernel(); 7 main.c start_kernel 513 asmlinkage void __init start_kernel(void ) Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: fix kernel rebuild due to vsyscall falloutSam Ravnborg2007-10-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix rebuild of kernel when there is no changes. This happened for i386. Using make V=2 hinted that the output files were not assigned to targets - fixed by this patch. Reported by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | .gitignore update for x86 archDenis V. Lunev2007-10-173-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch: - makes .gitignore files visible to git - makes arch/x86/kernel/vsyscall_32.lds and arch/i386/boot invisible Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/debugreg_32/64.hThomas Gleixner2007-10-174-142/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Almost identical except for the extra DR_LEN_8 and the different DR_CONTROL_RESERVED defines. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Conflicts: include/asm-x86/Kbuild
| * | | x86: unify include/asm/unwind_32/64.hThomas Gleixner2007-10-173-30/+13
| | | | | | | | | | | | | | | | | | | | | | | | 32bit has an extra UNW_FP define, which does not hurt. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/types_32/64.hThomas Gleixner2007-10-174-131/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mostly the same. Make the few exceptions conditional. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Conflicts: include/asm-x86/types_32.h
| * | | x86: unify include/asm/tlb_32/64.hThomas Gleixner2007-10-173-37/+10
| | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/siginfo_32/64.hThomas Gleixner2007-10-174-28/+9
| | | | | | | | | | | | | | | | | | | | | | | | Same file, except for the 64bit PREAMBLE_SIZE define. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/bug_32/64.hThomas Gleixner2007-10-173-73/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the .long/.quad delta which can be solved by a define. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/mman_32/64.hThomas Gleixner2007-10-174-51/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for the extra 64bit MAP_32BIT define, which does not hurt for 32 bit compiles. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/agp_32/64.hThomas Gleixner2007-10-173-52/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The 32bit D(n) debug addon can be made exclusive for 32 bit compiles. Otherwise all the same. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/kdebug_32/64.hThomas Gleixner2007-10-173-63/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The 64 bit variant has additional function prototypes which do no harm for 32 bit. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/ioctls_32/64.hThomas Gleixner2007-10-174-187/+86
| | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace and comment formatting. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/floppy_32/64.hThomas Gleixner2007-10-173-563/+277
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and: 32-bit: if((unsigned int) addr >= (unsigned int) high_memory) 64-bit: if((unsigned long) addr >= (unsigned long) high_memory) where the latter can be used safely for both. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Conflicts: include/asm-x86/floppy_32.h include/asm-x86/floppy_64.h
| * | | x86: apply missing DMA/OOM prevention to floppy_32.hThomas Gleixner2007-10-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 554d284ba90bc2306c31e5363789f05c320969c3 added _GPF_NORETRY to floppy_64.h to prevent OOM killer on floppy DMA allocations. Apply the same to the 32 bit variant. Found during the attempt to unify the _32/_64 variants. Seperate commit to document the resulting code change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/cache_32/64.hThomas Gleixner2007-10-173-38/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the two variants of fb_is_primary_device() Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/cache_32/64.hThomas Gleixner2007-10-173-40/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and: 32-bit: unsigned long *virt_addr = va; 64-bit: unsigned int *virt_addr = va; Both can be safely replaced by: u32 i, *virt_addr = va; Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/dmi_32/64.hThomas Gleixner2007-10-173-38/+33
| | | | | | | | | | | | | | | | | | | | | | | | Unification, so we have these things in one file. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/delay_32/64.hThomas Gleixner2007-10-173-66/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the extra function prototype usc_tsc_delay() in _32. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/cache_32/64.hThomas Gleixner2007-10-173-44/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the extra defines in _64, which are conditional on VSMP anyway. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/cacheflush_32/64.hThomas Gleixner2007-10-173-78/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the extra DEBUG_PAGE_ALLOC function in _32. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/auxvec_32/64.hThomas Gleixner2007-10-174-31/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the AT_SYSINFO define for 32bit Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify include/asm/agp_32/64.hThomas Gleixner2007-10-173-74/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Same file, except for whitespace, comment formatting and the usage of wbinvd() instead of asm volatile("wbinvd":::"memory"), which is the same. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: unify some more trivial include/asm-x86/ 32/64 variantsThomas Gleixner2007-10-1743-1199/+498
| | | | | | | | | | | | | | | | | | | | | | | | Scripted unification. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: merge some trivially mergeable headersRoland Dreier2007-10-177-102/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge errno.h, resource.h, rtc.h, sections.h, serial.h and sockios.h, where i386 and x86_64 have no or only trivial comment/include guard differences. Build tested on both 32-bit and 64-bit, and booted on 64-bit. [tglx: fixup Kbuild as well] Signed-off-by: Roland Dreier <roland@digitalvampire.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: trivial header mergesBrian Gerst2007-10-1716-115/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge 32/64-bit headers that simply redirect to asm-generic [tglx: fixup Kbuild as well] Signed-off-by: Brian Gerst <bgerst@didntduck.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: vdso linker script cleanupRoland McGrath2007-10-171-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I can't see the reason ". = VDSO_PRELINK + 0x900;" was ever there in the linker script for the x86_64 vDSO. I can't find anything that depends on this magic offset, or that should care at all about the particular location of of the .data section (all from vvar.c) in the vDSO image. If it is really desireable to place .data at 0x900, then it should be after all the other sections so they fill in the space up to 0x900. This removes the 0x900 magic and cleans up the output sections generally in the vDSO linker script. This saves a few hundred bytes in the size of the vDSO file, bringing it back well under 4kb total so that its vma only needs one page. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: convert mm_context_t semaphore to a mutexLuiz Fernando N. Capitulino2007-10-175-13/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | convert mm_context_t semaphore to a mutex. Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | | x86: multi-byte single instruction NOPsJan Beulich2007-10-173-1/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for and use the multi-byte NOPs recently documented to be available on all PentiumPro and later processors. This patch only applies cleanly on top of the "x86: misc. constifications" patch sent earlier. [ tglx: arch/x86 adaptation ] Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> arch/x86/kernel/alternative.c | 23 ++++++++++++++++++++++- include/asm-x86/processor_32.h | 22 ++++++++++++++++++++++ include/asm-x86/processor_64.h | 22 ++++++++++++++++++++++ 3 files changed, 66 insertions(+), 1 deletion(-)
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