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* Provide timespec to guests rather than jiffies clock.Rusty Russell2007-07-28
| | | | | | | | | | | | | | | | | A non-periodic clock_event_device and the "jiffies" clock don't mix well: tick_handle_periodic() can go into an infinite loop. Currently lguest guests use the jiffies clock when the TSC is unusable. Instead, make the Host write the current time into the lguest page on every interrupt. This doesn't cost much but is more precise and at least as accurate as the jiffies clock. It also gets rid of the GET_WALLCLOCK hypercall. Also, delay setting sched_clock until our clock is set up, otherwise the early printk timestamps can go backwards (not harmful, just ugly). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix lguest bzImage loading with CONFIG_RELOCATABLE=yRusty Russell2007-07-28
| | | | | | | | | | | | | | | Jason Yeh sent his crashing .config: bzImages made with CONFIG_RELOCATABLE=y put the relocs where the BSS is expected, and we crash with unusual results such as: lguest: unhandled trap 14 at 0xc0122ae1 (0xa9) Relying on BSS being zero was merely laziness on my part, and unfortunately, lguest doesn't go through the normal startup path (which does this in asm). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: remove crap from machdep.hGreg Ungerer2007-07-28
| | | | | | | Removed unused dead crap from machdep.h header. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* m68knommu: fix declaration of mach_sched_initGreg Ungerer2007-07-28
| | | | | | | | Make declaration of mach_sched_init match definition (which is in arch/m68knommu/kernel/setup.c). Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix procfs compat_ioctl regressionDavid Miller2007-07-28
| | | | | | | | | | | It is important to only provide the compat_ioctl method if the downstream de->proc_fops does too, otherwise this utterly confuses the logic in fs/compat_ioctl.c and we end up doing the wrong thing. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* audit: fix two bugs in the new execve audit codePeter Zijlstra2007-07-28
| | | | | | | | | | | | copy_from_user() returns the number of bytes not copied, hence 0 is the expected output. axi->mm might not be valid anymore when not equal to current->mm, do not dereference before checking that - thanks to Al for spotting that. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Tested-by: Steve Grubb <sgrubb@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* rip some includes from linux/interrupt.hAl Viro2007-07-28
| | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fix preprocessor idiocy in reiserfsAl Viro2007-07-28
| | | | | | | | | | #x blocks expansion of macro argument, but it won't do you any good if it's already been expanded... As it is, RFALSE(cond, ....) ended up with stringified _expanded_ cond. Real fun when cond contains something like le32_to_cpu() and you are on a big-endian box... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* more include order horrorsAl Viro2007-07-28
| | | | | | | | | | ... because somebody had added preempt.h -> list.h, resulting in asm/system.h -> hardirq.h -> preempt.h -> list.h -> asm/system.h on m68k, with smp_wmb() used in list.h and defined in asm/system.h below the include of hardirq.h. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2007-07-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Fix sclp_vt220 error handling. [S390] cio: Reorganize initialization. [S390] cio: Make CIO_* macros safe if dbfs are not available. [S390] cio: Clean up messages. [S390] Fix IRQ tracing. [S390] vmur: fix diag14_read. [S390] Wire up sys_fallocate. [S390] add types.h include to s390_ext.h [S390] cio: Remove deprecated rdc/rcd. [S390] Get rid of new section mismatch warnings. [S390] sclp: kill unused SCLP config option. [S390] cio: Remove remains of _ccw_device_get_device_number(). [S390] cio: css_sch_device_register() can be made static. [S390] Improve __smp_call_function_map. [S390] Convert to smp_call_function_single.
| * [S390] Fix sclp_vt220 error handling.Heiko Carstens2007-07-27
| | | | | | | | | | | | | | | | Also convert to slab_is_available() as an indicator if get_zeroed_page() will work or not. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Reorganize initialization.Cornelia Huck2007-07-27
| | | | | | | | | | | | | | | | - Localize more of the init calls in init_channel_subsystem(). - Print a warning if init_channel_subsystem() failed. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Make CIO_* macros safe if dbfs are not available.Cornelia Huck2007-07-27
| | | | | | | | | | Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Clean up messages.Cornelia Huck2007-07-27
| | | | | | | | | | | | | | | | | | | | - Remove unneeded messages. - Move some messages into the debug feature. - Use dev_* where appropriate. - Use "cio: " prefix consistently. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] Fix IRQ tracing.Heiko Carstens2007-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a machine check is pending and the external or I/O interrupt handler returns to userspace io_mcck_pending is going to call s390_handle_mcck. Before this happens a call to TRACE_IRQS_ON was already made since we know that we are going back to userspace and hence interrupts will be enabled. So there was an indication that interrupts are enabled while in reality they are still disabled. s390_handle_mcck will do a local_irq_save/restore pair and confuse lockdep which later complains about inconsistent irq tracing. To solve this just call trace_hardirqs_off before calling s390_handle_mcck and trace_hardirqs_on afterwards. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] vmur: fix diag14_read.Frank Munzert2007-07-27
| | | | | | | | | | | | | | Record length of spool file must be only stored in 1st SPLINK record Signed-off-by: Frank Munzert <munzert@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] Wire up sys_fallocate.Martin Schwidefsky2007-07-27
| | | | | | | | | | | | | | | | This patch implements support of fallocate system call on s390(x) platform. A wrapper is added to address the issue which s390 ABI has with the arguments of this system call. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] add types.h include to s390_ext.hChristian Borntraeger2007-07-27
| | | | | | | | | | | | | | | | | | The header file for external interrupts uses the _u16 type. Make sure that _u16 is defined by including linux/types.h. This prevents compile failures, if asm/s390_ext.h is the first include file. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Remove deprecated rdc/rcd.Cornelia Huck2007-07-27
| | | | | | | | | | | | | | | | http://marc.info/?l=linux-kernel&m=118481061928246&w=2 seems to indicate disfavour of "deprecated", so let's just kill it now. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] Get rid of new section mismatch warnings.Heiko Carstens2007-07-27
| | | | | | | | | | Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] sclp: kill unused SCLP config option.Heiko Carstens2007-07-27
| | | | | | | | | | | | | | sclp is always compiled in. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Remove remains of _ccw_device_get_device_number().Cornelia Huck2007-07-27
| | | | | | | | | | Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: css_sch_device_register() can be made static.Cornelia Huck2007-07-27
| | | | | | | | | | Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] Improve __smp_call_function_map.Heiko Carstens2007-07-27
| | | | | | | | | | | | | | | | | | | | | | | | There is no need to disable bottom halves when holding call_lock. Also this could imply that it is legal to call smp_call_function* from bh context, which it is not. Also test if func will be executed locally before disabling and aterwards enabling interrupts again. It's not necessary to disable and enable interrupts each time __smp_call_function_map gets called. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] Convert to smp_call_function_single.Heiko Carstens2007-07-27
| | | | | | | | | | | | | | | | | | smp_call_function_single now has the same semantics as s390's smp_call_function_on. Therefore convert to the *single variant and get rid of some architecture specific code. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2007-07-28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Input Serio: Blackfin doesnt support I8042 - make sure it doesnt get selected Blackfin arch: add BF54x I2C/TWI TWI0 driver support Blackfin On-Chip RTC driver update for supporting BF54x Blackfin Ethernet MAC driver: fix bug Report returned -ENOMEM upwards (in case L1/uncached memory alloc fails) Blackfin arch: add error message when IRQ no available Blackfin arch: Initialize the exception vectors early in the boot process Blackfin arch: fix a compiling warning about dma-mapping Blackfin arch: switch to using proper defines this time THREAD_SIZE and PAGE_SIZE instead of just PAGE_SIZE everywhere Blackfin arch: fix bug which unaligns the init thread's stack and causes the current macro to fail. Blackfin arch: Load P0 before storing through it Blackfin arch: fix KGDB bug, dont forget last parameter. Blackfin arch: add selections for BF544 and BF542 Blackfin arch: use bfin_read_SWRST() now that BF561 provides it Blackfin arch: setup aliases for some core Core A MMRs
| * | Input Serio: Blackfin doesnt support I8042 - make sure it doesnt get selectedMichael Hennerich2007-07-24
| | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: add BF54x I2C/TWI TWI0 driver supportBryan Wu2007-07-25
| | | | | | | | | | | | | | | Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin On-Chip RTC driver update for supporting BF54xMike Frysinger2007-07-14
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin Ethernet MAC driver: fix bug Report returned -ENOMEM upwards (in ↵Michael Hennerich2007-07-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | case L1/uncached memory alloc fails) Bug tracker: https://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3399 Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: add error message when IRQ no availableMichael Hennerich2007-07-24
| | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: Initialize the exception vectors early in the boot processBernd Schmidt2007-07-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | Initialize the exception vectors early in the boot process, so that CPLB faults can be handled when memory protection is enabled. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: fix a compiling warning about dma-mappingBryan Wu2007-07-24
| | | | | | | | | | | | | | | Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: switch to using proper defines this time THREAD_SIZE and ↵Mike Frysinger2007-07-24
| | | | | | | | | | | | | | | | | | | | | | | | PAGE_SIZE instead of just PAGE_SIZE everywhere Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: fix bug which unaligns the init thread's stack and causes the ↵Bernd Schmidt2007-07-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | current macro to fail. switch to using proper defines this time (THREAD_SIZE and PAGE_SIZE) instead of just PAGE_SIZE everywhere Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: Load P0 before storing through itBernd Schmidt2007-07-24
| | | | | | | | | | | | | | | | | | | | | | | | Fortunately this function is only used on old 533 revisions. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: fix KGDB bug, dont forget last parameter.Sonic Zhang2007-07-24
| | | | | | | | | | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: add selections for BF544 and BF542Mike Frysinger2007-07-24
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: use bfin_read_SWRST() now that BF561 provides itMike Frysinger2007-07-24
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Blackfin arch: setup aliases for some core Core A MMRsMike Frysinger2007-07-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | setup aliases for some core Core A MMRs to ease porting in cases where common code would actually want Core A (or Core B MMR is reserved) Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
* | | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2007-07-28
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: docbook: add pipes, other fixes blktrace: use cpu_clock() instead of sched_clock() bsg: Fix build for CONFIG_BLOCK=n [patch] QUEUE_FLAG_READFULL QUEUE_FLAG_WRITEFULL comment fix
| * | | docbook: add pipes, other fixesRandy Dunlap2007-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix some typos in pipe.c and splice.c. Add pipes API to kernel-api.tmpl. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | blktrace: use cpu_clock() instead of sched_clock()Ingo Molnar2007-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | use cpu_clock() instead of sched_clock(). (the latter is not a proper clock-source) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | bsg: Fix build for CONFIG_BLOCK=nPaul Mundt2007-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BLK_DEV_BSG was added outside of the if BLOCK check, which allows it to be enabled when CONFIG_BLOCK=n. This leads to many screenlengths of errors, starting with a parse error on the request_queue_t definition. Obviously this wasn't intended for CONFIG_BLOCK=n usage, so just move the option back in to the block. Caught with a randconfig on sh. Signed-off-by: Paul Mundt <lethal@linux-sh.org> -- block/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | [patch] QUEUE_FLAG_READFULL QUEUE_FLAG_WRITEFULL comment fixQi Yong2007-07-27
| | |/ | |/| | | | | | | | | | | | | | | | The two comments were transposed. Signed-off-by: Qi Yong <qiyong@mail.fc-cn.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | | Merge branch 'agp-patches' of ↵Linus Torvalds2007-07-28
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6 * 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6: agp: AMD AGP is used on UP1100 & UP1500 alpha boxen intel_agp: really fix 945/965GME agp: don't lock pages AGP: document boot options Fix "use after free" / "double free" bug in ati_create_gatt_pages / ati_free_gatt_pages
| * | | agp: AMD AGP is used on UP1100 & UP1500 alpha boxenAlan Hourihane2007-07-26
| | | | | | | | | | | | | | | | Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | intel_agp: really fix 945/965GMEZhenyu Wang2007-07-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix some missing places to check with device id info, which should probe the device gart correctly. Signed-off-by: Wang Zhenyu <zhenyu.z.wang@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | agp: don't lock pagesNick Piggin2007-07-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AGP should not need to lock pages. They are not protecting any race because there is no lock_page calls, only SetPageLocked. This is causing hangs with d00806b183152af6d24f46f0c33f14162ca1262a. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | AGP: document boot optionsChuck Ebbert2007-07-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add documentation for AGP boot options. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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