- 03 Jun, 2004 40 commits
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Andrew Morton authored
Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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bk://bk.arm.linux.org.uk/linux-2.6-serialLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Ben Dooks authored
Patch from Ben Dooks Fix the minor number of the serial device to be the same as the configuration in the 2.4.x series kernels.
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bk://bk.arm.linux.org.uk/linux-2.6-pcmciaLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Ian Campbell authored
Patch from Ian Campbell Rediffed against latest BK. Compiles on Assabet and my PXA255 platform. Tested on my 255 platform.
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bk://bk.arm.linux.org.uk/linux-2.6-rmkLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Nicolas Pitre authored
Patch from Nicolas Pitre Don't include them from hardware.h
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Russell King authored
Since asm/arch/hardware.h is included (indirectly) by most kernel files, we don't want all these files depending on the individual machine support files, especially as only five files really require the header. Instead, explicitly include lubbock.h into files as necessary.
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Tony Lindgren authored
Patch from Tony Lindgren Update the IO register names in entry-armv.S
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Paul Mackerras authored
When I moved the exports into arch/ppc/lib/locks.c, I forgot to include module.h, so it doesn't compile (with CONFIG_SMP + CONFIG_SPINLOCK_DEBUG). This patch fixes it. Signed-off-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
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Bartlomiej Zolnierkiewicz authored
From: Go Taniguchi <go@turbolinux.co.jp> (Turbolinx Inc.) Change reg48 and reg54 in 8bit access and remove unused reg44. Jeff acked ata_piix.c part. Signed-off-by:
Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl> Signed-off-by:
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Russell King authored
swapper_space is needed by at least loop/st/sg these days.
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Paul Mackerras authored
The last patch I sent means that we have WARN_ON(0) in a couple of places when CONFIG_PREEMPT=n. This patch makes that reduce to nothing (rather than a conditional trap on a 0 value), and also makes BUG_ON(0) reduce to nothing for completeness. Signed-off-by:
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Paul Mackerras authored
Ben H added a check in a couple of places to make sure that we had preemption disabled when we call enable_kernel_{fp,altivec}. Unfortunately the check he used trips in the case when CONFIG_PREEMPT=n. This patch fixes it by defining a preemptible() macro (which reduces to 0 when CONFIG_PREEMPT=n) and doing WARN_ON(preemptible()). Signed-off-by: -
Paul Mackerras authored
The main thrust of this patch is to make the ppc32 PCI code more robust by checking for bus->resource[] being NULL before using it. We can legitimately get elements of bus->resource being NULL and I have actually hit that on some machines. This patch also allows resources starting at 0 to be accepted as assigned (we can and do get PCI resources starting at 0 in I/O space on PPC machines) and provides a sensible default for the case where Open Firmware doesn't give us a bus-range property for a PCI bridge. Signed-off-by:
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Paul Mackerras authored
The ppc32 boot code has a couple of files that are executed very early on before the kernel is mapped at the address it is linked at. We have been using -mrelocatable-lib to compile these files, but apparently -mrelocatable-lib is deprecated and the gcc developers are threatening to remove it. In fact the -fPIC flag does what we need. This patch changes -mrelocatable-lib to -fPIC. Signed-off-by:
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Paul Mackerras authored
In the ppc32 kernel, we have a /proc/ppc_htab file that trawls through the MMU hash table and prints various statistics on it such as percent occupancy. However, the hash table entry format is different on 64-bit cpus (POWER3, G5) which the ppc32 kernel does support (in 32-bit mode). This patch disables the scanning of the MMU hash table and printing of the statistics that we get from it on 64-bit cpus. Since the statistics are only for interest, and the ppc32 kernel is being used less and less on 64-bit cpus now that the ppc64 kernel is in reasonable shape, I didn't think it worth while to add code to deal with the 64-bit HPTE format. Signed-off-by:
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Paul Mackerras authored
This patch is the ppc32 counterpart to a fix that went into arch/i386/kernel/irq.c last October. The bug was noted by Al Viro: if no handler exists, and we have IRQ_INPROGRESS set because of an earlier irq that got through, synchronize_irq() will end up waiting forever. Signed-off-by:
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Paul Mackerras authored
I tried compiling a PPC32 kernel with PREEMPT + SMP and it failed because we didn't have a _raw_write_trylock. This patch adds _raw_write_trylock, moves the exports of _raw_*lock from arch/ppc/kernel/ppc_ksyms.c to arch/ppc/lib/locks.c, and makes __spin_trylock static since it is only used in locks.c. Signed-off-by:
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Linus Torvalds authored
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Andrew Morton authored
clean_blockdev_aliases() is using the wrong thing to work out how many filesystem blocks should be invalidated. It invalidates too many, which can cause live fs metadata buffers to be invalidated when they are pending writeout. It's a filesystem-wrecker, although seems very hard to hit. Signed-off-by:
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Andrew Morton authored
From: Jerzy Szczepkowski <js189202@zodiac.mimuw.edu.pl> There is a bug in sys_io_setup(). If ioctx_alloc() succeeds and put_user() fails io_destroy() is called. io_destroy() assumes that ioctx->users >= 2 (if context is alive) and calls put_ioctx twice, while in this sequence ioctx->users == 1. Signed-off-by:
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Andrew Morton authored
From: "Patrick J. LoPresti" <patl@users.sourceforge.net> This patch changes default_cylinders, default_heads, default_sectors_per_track, legacy_max_cylinder, legacy_max_head, legacy_sectors_per_track, and sectors to decimal. Signed-off-by:
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Andrew Morton authored
From: "Patrick J. LoPresti" <patl@users.sourceforge.net> Renames legacy_heads to legacy_max_head legacy_sectors to legacy_sectors_per_track. Signed-off-by:
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Andrew Morton authored
From: Nathan Lynch <nathanl@austin.ibm.com> The hotcpu_notifier macro does not properly record the given priority in the notifier block. This causes trouble only for callers which specify a non-zero priority, of which there are none (yet). Signed-off-by:
Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by:
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Andrew Morton authored
From: Jeff Mahoney <jeffm@suse.com> Chris Mason and I ran across this one while hunting down another bug. If ext3_mark_iloc_dirty() fails in ext3_orphan_del() on the outer buffer, bh->b_count will be decremented twice. ext3_mark_iloc_dirty() will brelse the buffer, even on error. ext3_orphan_del() is explicity brelse'ing the buffer on error. Prior to calling ext3_mark_iloc_dirty(), this is the correct behavior. Signed-off-by:
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Andrew Morton authored
From: Matt Tolentino <metolent@snoqualmie.dp.intel.com> The elilo EFI boot loader has been moved to sourceforge. So, update the location of where one might look for it. Signed-off-by:
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Andrew Morton authored
From: Matt Tolentino <metolent@snoqualmie.dp.intel.com> The /proc support for efi 'stuff' isn't used/needed anymore, yet the efi_dir declaration remains. This removes it. Signed-off-by:
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Andrew Morton authored
From: Jan Kara <jack@ucw.cz> Fix a problem in the old quota format when we tried to read quota information after the end of quota file (that is correct as it might a user with sufficiently large UID which has no limits or usage). Signed-off-by:
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Andrew Morton authored
From: Jan Kara <jack@ucw.cz> Fixes a problem with some quota operations not writing the quota info they changed which could later cause that some transaction to use more buffers than it had reserved or it could cause corrupted quota files when the system was rebooted at the right time. Signed-off-by:
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Andrew Morton authored
From: Martin Schwidefsky <schwidefsky@de.ibm.com> Network driver changes: - iucv: Fix special case of a "Connection Pending" interrupt within iucv_do_int. - netiucv: Revoke broken iucvMagic change for more than one connection. - qeth: Fix string parsing in notifier_register attribute function. - qeth: Add code for socket ioctl SIOC_QETH_GET_CARD_TYPE. - qeth: Fix debug log entry and buffer copy in qeth_snmp_command_cb. - qeth: Fix race on qeth_dbf_txt_buf. Signed-off-by:
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Andrew Morton authored
From: Martin Schwidefsky <schwidefsky@de.ibm.com> block device driver changes: - dasd: Fix diag discipline if it is loaded as a module. - dcssblk: Replace r/w lock with r/w semaphore to be able to call device_register inside a critical section. - dcssblk: Fix error handling in write function for dcss "add" attribute. - xpram & dcssblk: Fix sanity check for sector number. Signed-off-by:
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Andrew Morton authored
From: Martin Schwidefsky <schwidefsky@de.ibm.com> Common i/o layer changes: - qdio: Lose the adapter lock for thin interrupts to improve performance and do unregister of the adapter interrupt handler with rcu. - ccwgroup: Fix error handling when creating a ccwgroup device. - Convert the slow crw kernel thread to a single threaded workqueue. - Use the slow crw workqueue to unregister a subchannel after it was found not operational to serialize it with other possible unregister/ register events coming in via machine checks. - Trigger a rescan of the css via the slow path if a missing channel path is found in __recover_lost_chpids. - Use saner default levels for the debug feature, add some debugging code. - Remove request_irq and free_irq stubs. - Remove bogus inlines. Signed-off-by:
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Andrew Morton authored
From: Martin Schwidefsky <schwidefsky@de.ibm.com> s390 core changes: - Make use of the ipte instruction for ptep_set_access_flags - Fix atomic64_inc_and_test primitive as well. - Fix return type handler for __copy_in_user. - New default configuration. Signed-off-by:
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Andrew Morton authored
From: David Gibson <david@gibson.dropbear.id.au> Currently the hugepage code stores the hugepage destructor in the mapping field of the second of the compound pages. However, this field is never cleared again, which causes tracebacks from free_pages_check() if the hugepage is later destroyed by reducing the number in /proc/sys/vm/nr_hugepages. This patch fixes the bug by clearing the mapping field when the hugepage is freed. Signed-off-by:
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Andrew Morton authored
From: Chris Mason <mason@suse.com> When filling holes via DIRECT_IO, we fall back to normal buffered io. For this to work properly, the direct io funcs have to return a value of zero to the file write functions, so the file write functions know where to start writing. In some cases, dio->result was getting returned by direct_io_worker, and that wasn't always zero, causing some data not to be written. From: <akpm@osdl.org>: - Simplify things by setting `ret' later on, fix up subsequent damage to the dio_complete() args. Signed-off-by:
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Andrew Morton authored
From: David Gibson <david@gibson.dropbear.id.au> Currently, calling msync() on a hugepage area will cause the kernel to blow up with a bad_page() (at least on ppc64, but I think the problem will exist on other archs too). The msync path attempts to walk pagetables which may not be there, or may have an unusual layout for hugepages. Lucikly we shouldn't need to do anything for an msync on hugetlbfs beyond flushing the cache, so this patch should be sufficient to fix the problem. Signed-off-by:
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Andrew Morton authored
From: David Mosberger <davidm@napali.hpl.hp.com> Darrene Williams <dsw@gelato.unsw.edu.au> noticed that the #endif for __ARCH_WANT_SYS_SIGPROCMASK was off by one routine. Signed-off-by:
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Andrew Morton authored
From: William Lee Irwin III <wli@holomorphy.com> start_jiffies was not respected by set_timeout(), which reread jiffies instead of respecting what read_events() passed it. This difference can be significant, particularly if the calling process slept during the copy_to_user() operation in read_events(). To correct this, this patch teaches it to respect its argument, with the additional bonus of converting it to use timespec_to_jiffies() instead of open-coding it. Signed-off-by:
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Andrew Morton authored
From: William Lee Irwin III <wli@holomorphy.com> The time conversion functions may have const args, which is in fact useful for when they are passed const variables as arguments so as to avoid discarding qualifiers from pointer types warnings. This is a preparatory cleanup for a minor aio bugfix. Signed-off-by:
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