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* Revert "[PATCH] x86_64: Fix the node cpumask of a cpu going down"Linus Torvalds2006-02-05
| | | | | | | | | | | This reverts commit 10f4dc8b27ac42f930ac55adb8c521264dc997f8. Quoth Andi Kleen: "Kiran decided that it makes the problem worse than it was before. Fixing it fully requires more work which is too much for 2.6.16. So please revert that commit for now." Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386/x86-64: Don't ack the APIC for bad interrupts when the APIC is ↵Andi Kleen2006-02-04
| | | | | | | | | | | not enabled It's bad juju to touch the APIC when it hasn't been enabled. I also moved ack_bad_irq for x86-64 out of line following i386. Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Calibrate APIC timer using PM timerAndi Kleen2006-02-04
| | | | | | | | | | | | | | | | | | | | | On some broken motherboards (at least one NForce3 based AMD64 laptop) the PIT timer runs at a incorrect frequency. This patch adds a new option "apicpmtimer" that allows to use the APIC timer and calibrate it using the PMTimer. It requires the earlier patch that allows to run the main timer from the APIC. Specifying apicpmtimer implies apicmaintimer. The option defaults to off for now. I tested it on a few systems and the resulting APIC timer frequencies were usually a bit off, but always <1%, which should be tolerable. TBD figure out heuristic to enable this automatically on the affected systems TBD perhaps do it on all NForce3s or using DMI? Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Fix the node cpumask of a cpu going downRavikiran G Thirumalai2006-02-04
| | | | | | | | | | | | | | | | | | | Currently, x86_64 and ia64 arches do not clear the corresponding bits in the node's cpumask when a cpu goes down or cpu bring up is cancelled. This is buggy since there are pieces of common code where the cpumask is checked in the cpu down code path to decide on things (like in the slab down path). PPC does the right thing, but x86_64 and ia64 don't (This was the reason Sonny hit upon a slab bug during cpu offline on ppc and could not reproduce on other arches). This patch fixes it for x86_64. I won't attempt ia64 as I cannot test it. Credit for spotting this should go to Alok. Signed-off-by: Alok N Kataria <alokk@calsoftinc.com> Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Shai Fultheim <shai@scalex86.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Undo the earlier changes to remove unrolled copy/memset ↵Andi Kleen2006-02-04
| | | | | | | | | | | | | | | | functions They cause quite bad performance regressions on Netburst This is temporary until we can get new optimized functions for these CPUs. This undoes changes that were done in 2.6.15 and in 2.6.16-rc1, essentially bringing the code back to 2.6.14 level. Only change is I renamed the X86_FEATURE_K8_C flag to X86_FEATURE_REP_GOOD and fixed the check for the flag and also fixed some comments. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: [PATCH] timer resumeShaohua Li2006-02-04
| | | | | | | | | | At resume time, TSC's value or something similar might be changed a lot against suspend time. This could make system gets a very big lost ticks. See http://bugzilla.kernel.org/show_bug.cgi?id=5825 Signed-off-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Allow to run main time keeping from the local APIC interruptAndi Kleen2006-02-04
| | | | | | | | | | | | | | | | | | | | | | Another piece from the no-idle-tick patch. This can be enabled with the "apicmaintimer" option. This is mainly useful when the PIT/HPET interrupt is unreliable. Note there are some systems that are known to stop the APIC timer in C3. For those it will never work, but this case should be automatically detected. It also only works with PM timer right now. When HPET is used the way the main timer handler computes the delay doesn't work. It should be a bit more efficient because there is one less regular interrupt to process on the boot processor. Requires earlier bugfix from Venkatesh Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Define pmtmr_ioport to 0 when PM_TIMER is not availableAndi Kleen2006-02-04
| | | | | | | Avoids some ifdef mess later. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] SELinux: fix size-128 slab leakStephen Smalley2006-02-03
| | | | | | | | | Remove private inode tests from security_inode_alloc and security_inode_free, as we otherwise end up leaking inode security structures for private inodes. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6Linus Torvalds2006-02-03
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| * [PARISC] New syscalls (inotify, *at, pselect6/ppoll, migrate_pages)Kyle McMartin2006-01-30
| | | | | | | | | | | | | | | | | | | | Wire up some new syscalls that have been merged upstream, o inotify o openat et al o pselect6/ppoll o migrate_pages Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
| * [PARISC] Arch-specific compat signalsKyle McMartin2006-01-22
| | | | | | | | | | | | | | | | | | | | Add enough arch-specific compat signals code to enable parisc64 to compile and boot out of the mainline tree. There are likely still many dragons here, but this is a start to squashing the last big difference between the mainline tree and the parisc-linux tree. The remaining bugs can be squashed as they come up. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
| * [PARISC] Add CONFIG_DEBUG_RODATA to protect read-only dataHelge Deller2006-01-22
| | | | | | | | | | | | | | | | | | | | Add the parisc version of the "mark rodata section read only" patches. Based on code from and Signed-off-by Arjan van de Ven <arjan@infradead.org>, Ingo Molnar <mingo@elte.hu>, Andi Kleen <ak@muc.de>, Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
| * [PARISC] atomic64 supportKyle McMartin2006-01-22
| | | | | | | | | | | | | | | | Implement atomic64_t so atomic_long_t works on parisc. Also clean up some of the coding style in atomic.h, and make sure ATOMIC_INIT is cast properly. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
| * [PARISC] Drop unused do_check_pgt_cache()Helge Deller2006-01-22
| | | | | | | | | | | | | | | | Drop the unused do_check_pgt_cache routine from mm/init.c and its prototype in asm/pgalloc.h Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
| * [PARISC] Remove unnecessary extern declarations from asm/pci.hGrant Grundler2006-01-22
| | | | | | | | | | | | | | | | | | Remove two unnecessary extern declarations from asm/pci.h. They collide with what gcc4.0 assumed was static (and should be static). Found by Joel Soete. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
| * [PARISC] Use kzalloc and other janitor-style cleanupsHelge Deller2006-01-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Helge, o Convert a bunch of kmalloc/memset uses to kzalloc. o pci.c: Add some __read_mostly annotations. o pci.c: Move constant pci_post_reset_delay to asm/pci.h o grfioctl.h: Add A4450A to comment of CRT_ID_VISUALIZE_EG. o Add some consts to perf.c/perf_images.h Matthew, o sticore.c: Add some consts to suppress compile warnings. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* | Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2006-02-03
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| * | [SERIAL] SIIG 8-port serial boards supportAndrey Panin2006-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for SIIG 8-port boards. These boards have 4 ports in separate bars and another 4 ports in the single bar. Because of this strange port arrangement these cards need special setup function. Fortunately no other SIIG cards have more than 4 port, so this setup function could be used for them too. Signed-off-by: Andrey Panin <pazke@donpac.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2006-02-03
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| * | | [MMC] Add MMC command type flagsRussell King2006-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Some hosts need to know the command type, so pass it via a set of flags in cmd->flags. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-02-03
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| * | | | [ARM] 3284/1: S3C2400 - adds support to GPIOLucas Correia Villa Real2006-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lucas Correia Villa Real This patch adds support to GPIO on the S3C2400, which is going to be used by the GP32 machine and the SMDK2400 development board. Signed-off-by: Lucas Correia Villa Real <lucasvr@gobolinux.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | [ARM] 3292/1: Fix memory corruption in asm-arm/checksum.h: ip_fast_csum()Richard Purdie2006-02-01
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie ip_fast_csum() accesses memory via a pointer (iph) within an asm function. To prevent memory corruption when the function is inlined, it needs "memory" on the clobber list. This fixes ip checksum errors reported by a Zaurus user. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | Merge branch 'upstream-linus' of git://oss.oracle.com/home/sourcebo/git/ocfs2Linus Torvalds2006-02-03
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| * | | | configfs: Add permission and ownership to configfs objects.Joel Becker2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | configfs always made item and attribute ownership root.root and permissions based on a umask of 022. Add ->setattr() to allow chown(2)/chmod(2), and persist the changes for the lifetime of the items and attributes. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* | | | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-02-03
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| * | | | | [NET]: Add CONFIG_NETDEBUG to suppress bad packet messages.Stephen Hemminger2006-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If you are on a hostile network, or are running protocol tests, you can easily get the logged swamped by messages about bad UDP and ICMP packets. This turns those messages off unless a config option is enabled. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | [SCTP]: Fix 'fast retransmit' to send a TSN only once.Vlad Yasevich2006-02-02
| | |_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SCTP used to "fast retransmit" a TSN every time we hit the number of missing reports for the TSN. However the Implementers Guide specifies that we should only "fast retransmit" a given TSN once. Subsequent retransmits should be timeouts only. Also change the number of missing reports to 3 as per the latest IG(similar to TCP). Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | [PATCH] drivers/ide/ide-io.c: make __ide_end_request() staticAdrian Bunk2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since there's no longer any external user, we can make __ide_end_request() static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] stop CompactFlash devices being marked as removableRichard Purdie2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch stops CompactFlash devices being marked as removable. They are not removable (as defined by Linux) as the media and device are inseparable. When a card is removed, the whole device is removed from the system and never sits in a media-less state. This stops some nasty udev device creation/destruction loops. Further, once this change is made, there is no need for ide to can be removed from ide_drive_t. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] ia64: drop arch-specific IDE MAX_HWIFS definitionBjorn Helgaas2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no reason MAX_HWIFS needs to be ia64-specific, so set MAX_HWIFS from CONFIG_IDE_MAX_HWIFS. This reduces the default from 10 to 4, but I don't think that's a problem. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] new tty buffering locking fixPaul Fulghum2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change locking in the new tty buffering facility from using tty->read_lock, which is currently ignored by drivers and thus ineffective. New locking uses a new tty buffering specific lock enforced centrally in the tty buffering code. Two drivers (esp and cyclades) are updated to use the tty buffering functions instead of accessing tty buffering internals directly. This is required for the new locking to work. Minor checks for NULL buffers added to tty_prepare_flip_string/tty_prepare_flip_string_flags Signed-off-by: Paul Fulghum <paulkf@microgate.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] Compilation of kexec/kdump brokenFernando Luis Vazquez Cao2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The compilation of kexec/kdump seems to be broken for x86_64. Remove the dependency of kexec on CONFIG_IA32_EMULATION. Signed-off-by: Fernando Vazquez <fernando@intellilink.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] Fix comment to synchronize_sched()Paul E. McKenney2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix to broken comment to synchronize_rcu() noted by Keith Owens. Also add sentence noting that synchronize_sched() and synchronize_rcu() are not necessarily identical. Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com> Cc: Keith Owens <kaos@sgi.com> Cc: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] Export cpu topology in sysfsZhang, Yanmin2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch implements cpu topology exportation by sysfs. Items (attributes) are similar to /proc/cpuinfo. 1) /sys/devices/system/cpu/cpuX/topology/physical_package_id: represent the physical package id of cpu X; 2) /sys/devices/system/cpu/cpuX/topology/core_id: represent the cpu core id to cpu X; 3) /sys/devices/system/cpu/cpuX/topology/thread_siblings: represent the thread siblings to cpu X in the same core; 4) /sys/devices/system/cpu/cpuX/topology/core_siblings: represent the thread siblings to cpu X in the same physical package; To implement it in an architecture-neutral way, a new source file, driver/base/topology.c, is to export the 5 attributes. If one architecture wants to support this feature, it just needs to implement 4 defines, typically in file include/asm-XXX/topology.h. The 4 defines are: #define topology_physical_package_id(cpu) #define topology_core_id(cpu) #define topology_thread_siblings(cpu) #define topology_core_siblings(cpu) The type of **_id is int. The type of siblings is cpumask_t. To be consistent on all architectures, the 4 attributes should have deafult values if their values are unavailable. Below is the rule. 1) physical_package_id: If cpu has no physical package id, -1 is the default value. 2) core_id: If cpu doesn't support multi-core, its core id is 0. 3) thread_siblings: Just include itself, if the cpu doesn't support HT/multi-thread. 4) core_siblings: Just include itself, if the cpu doesn't support multi-core and HT/Multi-thread. So be careful when declaring the 4 defines in include/asm-XXX/topology.h. If an attribute isn't defined on an architecture, it won't be exported. Thank Nathan, Greg, Andi, Paul and Venki. The patch provides defines for i386/x86_64/ia64. Signed-off-by: Zhang, Yanmin <yanmin.zhang@intel.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] quota: remove unused sync_dquots_dev()Herbert Poetzl2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The already removed sync_dquots_dev(dev,type) is still defined in the no-quota case. Signed-off-by: Herbert Pötzl <herbert@13thfloor.at> Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] I2O: fix and workaround for Motorola/Freescale controllerMarkus Lidel2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - This controller violates the I2O spec for the I/O registers. The patch contains a workaround which moves the registers to the proper location. (originally author: Matthew Starzewski) - If a message frame is beyond the mapped address range a error is returned. Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] parport: add parallel port support for SGI O2Arnaud Giersch2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the built-in parallel port on SGI O2 (a.k.a. IP32). Define a new configuration option: PARPORT_IP32. The module is named parport_ip32. Hardware support for SPP, EPP and ECP modes along with DMA support when available are currently implemented. Signed-off-by: Arnaud Giersch <arnaud.giersch@free.fr> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] ufs: fix char vs. __s8 clash in ufsAndreas Schwab2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix this warning: fs/ufs/super.c: In function ‘ufs_fill_super’: fs/ufs/super.c:858: warning: case label value exceeds maximum value for type which happens because __s8 != char. These macros are used for struct ufs_super_block.fs_clean which is declared as __s8. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] make "struct d_cookie" depend on CONFIG_PROFILINGMarcelo Tosatti2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Shrinks "struct dentry" from 128 bytes to 124 on x86, allowing 31 objects per slab instead of 30. Cc: John Levon <levon@movementarian.org> Cc: Philippe Elie <phil.el@wanadoo.fr> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] ufs: fix hang during `rm'Evgeniy Dushistov2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the code like this: bh = sb_find_get_block (sb, tmp + j); if ((bh && DATA_BUFFER_USED(bh)) || tmp != fs32_to_cpu(sb, *p)) { retry = 1; brelse (bh); goto next1; } bforget (bh); sb_find_get_block() ordinarily returns a buffer_head with b_count>=2, and this code assume that in case if "b_count>1" buffer is used, so this caused infinite loop. (akpm: that is-the-buffer-busy code is incomprehensible. Good riddance. Use of block_truncate_page() seems sane). Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] ufs: fix oops with `ufs1' typeEvgeniy Dushistov2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "rm" command, on file system with "ufs1" type cause system hang up. This is, in fact, not so bad as it seems to be, because of after that in "kernel control path" there are 3-4 places which may cause "oops". So the first patch fix oopses, and the second patch fix "kernel hang up". "oops" appears because of reading of group's summary info partly wrong, and access to not first group's summary info cause "oops". Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] list.h: don't evaluate macro args multiple timesZach Brown2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed that list.h init functions were evaluating macro arguments multiple times and thought it might be nice to protect the unsuspecting caller. Converting the macros to inline functions seems to reduce code size, too. A i386 defconfig build with gcc 3.3.3 from fc4: text data bss dec hex filename 3573148 565664 188828 4327640 4208d8 vmlinux.before 3572177 565664 188828 4326669 42050d vmlinux add/remove: 0/0 grow/shrink: 11/144 up/down: 88/-1016 (-928) There was no difference in checkstack output. Signed-off-by: Zach Brown <zach.brown@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] include/asm-*/bitops.h: fix more "~0UL >> size" typosAlexey Dobriyan2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "[PATCH] m68knommu: fix find_next_zero_bit in bitops.h" fixed a typo in m68knommu implementation of find_next_zero_bit(). grep(1) shows that cris, frv, h8300, v850 are also affected. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] s390: compile fix: missing defines in asm-s390/io.hHeiko Carstens2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Compile fix: add missing __raw_read* and __raw_write* defines to include/asm-s390/io.h. These are mandatory since patch c27a0d75b33c030965cc97d3d7f571107a673fb4 was merged. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] s390: timer interface visibilityJan Glauber2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid visibility of kernel internal interface to user space. Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] s390: dasd extended error reporting moduleStefan Weinhuber2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The DASD extended error reporting is a facility that allows to get detailed information about certain problems in the DASD I/O. This information can be used to implement fail-over applications that can recover these problems. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] fix generic_fls64()Akinobu Mita2006-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Noticed by Rune Torgersen. Fix generic_fls64(). tcp_cubic is using fls64(). Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | [PATCH] Fix build failure in recent pm_prepare_* changes.Dave Jones2006-02-03
| |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kernel/power/power.h:49: error: static declaration of 'pm_prepare_console' follows non-static declaration include/linux/suspend.h:46: error: previous declaration of 'pm_prepare_console' was here kernel/power/power.h:50: error: static declaration of 'pm_restore_console' follows non-static declaration include/linux/suspend.h:47: error: previous declaration of 'pm_restore_console' was here Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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