- 04 Dec, 2004 3 commits
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bk://kernel.bkbits.net/davem/sparc-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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David S. Miller authored
We have to load the bigkernel second TLB entry on secondary processors before we move over the use the kernel trap table. Otherwise we can take a TLB miss somewhere in the post-4MB area and the TLB handler is not prepared to service that. The case that usually occurs is the prom_set_trap_table call made by trampoline.S, since p1275buf usually sits very near the end of the kernel image. It worked by luck most of the time as long as p1275buf sits within a single page since earlier code running in trampoline.S forced that TLB entry to be loaded by the OBP TLB miss handler. This was not fun to figure out. Signed-off-by:David S. Miller <davem@davemloft.net>
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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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- 03 Dec, 2004 8 commits
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Russell King authored
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Russell King authored
Always pass values to get_user and put_user in an even numbered register, and optionally the next odd numbered register. This ensures that we are compatible with compiler enhancements.
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Ben Dooks authored
Patch from Ben Dooks A simple divide is not enough for the s3c2410 default timer code, due to most clocks not being a nice multiple of usecs. This update changes the calculation of the usec to use multipliers and shifts to effect a fast divide by a non-integer number. Original patch by Dimitry Andric, updated by Ben Dooks Signed-off-by: Dimitry Andric Signed-off-by: Ben Dooks Signed-off-by: Russell King
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Linus Torvalds authored
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Jesse Barnes authored
Ok, here we go (finally). A patch to correct the cut-and-paste copyright in arch/ia64/kernel/domain.c. Both Silicon Graphics, Inc. and myself (yes personally) hold the copyright on this file. Signed-off-by:
Jesse Barnes <jbarnes@sgi.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Greg Kroah-Hartman authored
Signed-off-by:
Greg Kroah-Hartman <greg@kroah.com> Signed-off-by:
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Greg Kroah-Hartman authored
sysfs_dir_close did not free the "cursor" sysfs_dirent used for keeping track of position in the list of sysfs_dirent nodes. Consequently, doing a "find /sys" would leak a sysfs_dirent for each of the 1140 directories in my /sys tree, or about 36kB each time. From: "Adam J. Richter" <adam@yggdrasil.com> Signed-off-by:
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Greg Kroah-Hartman authored
Signed-off-by:
Kay Sievers <kay.sievers@vrfy.org> Signed-off-by:
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- 02 Dec, 2004 22 commits
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Manfred Spraul authored
proc_pid_status dereferences pointers in the task structure even if the task is already dead. This is probably the reason for the oops described in http://bugme.osdl.org/show_bug.cgi?id=3812 The attached patch removes the pointer dereferences by using pid_alive() for testing that the task structure contents is still valid before dereferencing them. The task structure itself is guaranteed to be valid - we hold a reference count. Signed-Off-By:
Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Randy Dunlap authored
Prevent X86_VISWS config from building APM support. APM isn't supported and it won't build if attempted. Also disable P4THERMAL for VISWS. Signed-off-by:
Randy Dunlap <rddunlap@osdl.org> Acked-by:
Andrey Panin <pazke@donpac.ru> Signed-off-by:
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Joe Korty authored
Specify an initial value signal_struct's field stop_state whenever a signal_struct variable is created. Bug was discovered through the occasional failure of telnet(1) to connect. Signed-off-by:
Joe Korty <joe.korty@ccur.com> Signed-off-by:
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Antonino Daplas authored
Timothy Lee reports: Hardware: CyberBlade/i1 on VIA Epia-800 Problem Description: When the framebuffer is set to 16 bpp, console's text colours are incorrect. For example, white becomes yellow, black becomes blue, etc. Steps to reproduce: 1. Load tridentfb 2. Use "setterm -n -depth 16" to request 16 bpp framebuffer The problem arose from the fact that each psuedo palette entry should be 32-bit in size, even under 16-bit display mode. Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Matt Porter authored
This patch fixes annoying warnings in ibm_emac driver. Signed-off-by:
Eugene Surovegin <ebs@ebshome.net> Signed-off-by:
Matt Porter <mporter@kernel.crashing.org> Signed-off-by:
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Prasanna Meda authored
This change brings the semantics equivalent to 2.4 and also to what the man page says; Also optimises by avoiding unneeded lookup in uid cache, when who is same as the current->uid. sys_set/getpriority is rewritten in 2.5/2.6, perhaps while transitioning to the pid maps. It has now semantical bug, when uid is zero. Note that akpm also fixed refcount leak and locking in the new functions in changeset http://linus.bkbits.net:8080/linux-2.5/cset@1.1608.10.84 Signed-off-by: <pmeda@akamai.com> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Ian Campbell authored
This patch avoids a deadlock on rtnl_sem in smc_close() when bringing down an smc91x interface. The semaphore is already held by devinet_ioctl() and the pending work queue contains linkwatch_event() (scheduled by netif_carrier_off()) which also wants rtnl_sem hence it is unsafe to call flush_scheduled_work(). The solution is to track whether we have any pending work of our own and wait for that instead of flushing the entire queue. I also fixed a typo 'ence' -> 'Hence' and renamed smc_detect_phy to smc_phy_detect in order to follow the same pattern as the other smc_phy_* functions. Signed-off-by:
Ian Campbell <icampbell@arcom.com> Signed-off-by:
Nicolas Pitre <nico@cam.org> Signed-off-by:
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Geert Uytterhoeven authored
HP Lance Ethernet depends on DIO bus support Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Geert Uytterhoeven authored
M68k Ethernet drivers depend on NET_ETHERNET instead of NETDEVICES Signed-off-by:
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Ingo Molnar authored
We check need_resched() _before_ disabling preemption. This opens up the following scenario: swapper: !need_resched() [IRQ context] wakes up a task marks idle task as need-resched swapper: acpi_processor_idle(); // sleeps until next irq instant 1msec latency introduced... normally default_idle() is safe because it re-checks need_resched with interrupts disabled before it truly halts the CPU. But acpi_processor_idle() doesnt seem to be doing this! Your trace clearly shows a missed preemption due to ACPI. I'm wondering why no-one has triggered this before, it's a really bad bug that should be fixed in 2.6.10. Signed-off-by:
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Anton Blanchard authored
The generic irq affinity code limits us to a single cpu target regardless of what the architecture supports. If required this should be done in the architecture specific ->set_affinity call. With this patch ppc64 is able to select all cpus affinity again. Signed-off-by:
Anton Blanchard <anton@samba.org> Acked-by:
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Martin Schwidefsky authored
From: Thomas Spatzier <tspat@de.ibm.com> network driver changes: - qeth: Handle both VLAN_FRAME and INCLUDES_VLAN_TAG in qdio header. - qeth: Always save IP addresses registered on a card when going offline. - qeth: Check size of printk buffer to 4K for ipa_takeover, vipa & rxip. From: Thomas Spatzier <tspat@de.ibm.com>, Heiko Carstens <heiko.carstens@de.ibm.com> Thomas created the patch below which removes the hardcoded 3900 bytes limit as suggested by Jeff Garzik. Please apply. network driver changes: - qeth: Calculate end of sysfs data buffer correctly. Signed-off-by:Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
From: Thomas Spatzier <tspat@de.ibm.com> From: Peter Tiedemann <ptiedem@de.ibm.com> network driver changes: - qeth: return -EINVAL if an skb is too large. - qeth: don't call netif_stop_queue after cable pull. Drop the packets instead. - qeth: fix race between SET_IP and SET_MC kernel thread by removing SET_MC thread and let the SET_IP thread do multicast requests as well. - qeth: make it compile without CONFIG_VLAN. - ctc: avoid compiler warnings. - lcs: write package sequence number to skb->cb. Signed-off-by:
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Martin Schwidefsky authored
From: Gerald Schaefer <geraldsc@de.ibm.com> z/VM monitor stream changes: - Add monitor control element to deal with end-of-frame records. Signed-off-by:
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Martin Schwidefsky authored
From: Horst Hummel <horst.hummel@de.ibm.com> From: Stefan Weinhuber <wein@de.ibm.com> dasd driver changes: - Introduce "fixbuffers" dasd option that uses buffer pages for the dasd i/o similar to bounce buffers. - Fix I/O errors when using XRC. - Increment retry counter again if notifier callback is called with CIO_GONE. Signed-off-by:
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Martin Schwidefsky authored
From: Carsten Otte <cotte@de.ibm.com> dcss segment interface changes: - Add check when loading segments to avoid out of range mappings. - Add code to check for segment_load returning -ERANGE. - Rename segment_info to segment_type. - Restore previous segment state if reload fails. - Add segment_modify_shared() to change shared attributes of a dcss segment and use it in the dcss block device driver. - Add support for contiguous EW/EN multipart segments. Signed-off-by:
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Martin Schwidefsky authored
From: Cornelia Huck <cohuck@de.ibm.com> From: Steffen Thoss <thoss@de.ibm.com> common i/o layer changes: - Delay re-registration of a subchannel with a different subchannel id until the ccw device removal triggered from the subchannels remove function has completed. - Fix check when to call unreg_rereg. - Fix get_disc_cdev_by_devno. - Activate the time delay disablement facility. This saves a few cycles in millicode processing. - Don't ifdef reset of busy start time. Signed-off-by:
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Martin Schwidefsky authored
From: Martin Schwidefsky <schwidefsky@de.ibm.com> From: Ulrich Weigand <uweigand@de.ibm.com> s390 core changes: - Remove defines for kernel_stack_size and async_stack_size. - Reserve system call number for kexec. - Add cc-option check for new gcc option packed-stack. - Fix race on no_hz_cpu_mask in stop_hz_timer. - Fix ptrace to make it send a SIGTRAP before the first instruction of a single stepped signal handler is executed. - Use force_sig_info with a full siginfo structure for illegal operation. - Remove verbatim copy of si_codes from asm-s390/siginfo.h. Use the generic definitions. - Regenerate default configuration. Signed-off-by:
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Alexander Viro authored
What that patch does is making the first open _always_ assume that we need to revalidate/reread partition table and kills partition-parsing in register_disk(); instead we just have it do open/close and let the revalidation path in open do the job. Signed-off-by:
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Andrew Morton authored
For reasons which escape me, blockdev_get_blocks() is returning -EIO if the mapping request straddles the end of the disk. This causes reads which straddle end-of-disk to return -EIO. Fix it up so that it correctly trims the returned result down to match the size of the device, for both reads and writes. If a write attempt is fully beyond end-of-device then return -EIO. We never get this far anyway, because generic_write_checks() will return -ENOSPC if all of the write lies outside a blockdev's i_size. Signed-off-by:
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Andrew Morton authored
This recent fix isn't quite right: it is causing smaller-than-expected I/Os to be submitted when extending files, which causes AIO-based writes to oops. So just revert it - the bug was really over in blockdev_get_blocks() anyway. Signed-off-by:
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Bjorn Helgaas authored
The DAC960 driver looks at PCI_Device->irq before calling pci_enable_device(), which means it requests the wrong IRQ and hangs. This fixes it. Thanks to Johannes Rommel for reporting the problem and testing the fix. Signed-off-by:
Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by:
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- 01 Dec, 2004 7 commits
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bk://gkernel.bkbits.net/libata-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Jeff Garzik authored
into pobox.com:/garz/repo/libata-2.6
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Randy Dunlap authored
Use SET_NETDEV_DEV() so that the device works correctly with udev. Signed-off-by:
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Marc Leeman authored
Signed-off-by:
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Edward Falk authored
Bug in dvd_read_manufact found by inspection. Cc: Jens Axboe <axboe@suse.de> Signed-off-by:
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Edward Falk authored
I've written two document files, and packaged them as a patch. Two things caught my eye while I was writing this up: The header comments for CDROMREADRAW, CDROMREADMODE1, and CDROMREADMODE2 disagree with the actual source code. The header comments imply that a cdrom_read structure is used to pass data, but the source code actually reads a cdrom_msf structure and then overwrites it with raw data. I'm not sure if there's a bug in the header comments, in the driver source, or I misread something. The CDROM_LOCKDOOR ioctl seems to lock/unlock all doors on all drives, because it uses a global variable. Signed-off-by:
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Daniel Ritz authored
It turns out that just blindly enabling read prefetch is wrong for the older (and buggy) oz6833 bridge. fixed in the attached patch. - don't touch the oz6832/6833 - more verbose - only set the read prefetch and the write burst bits it broke on some old laptop with a cardbus tulip. Signed-off-by:
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