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| * | [PATCH] sparc64: Reduce ptrace cache flushingDavid S. Miller2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We were flushing the D-cache excessively for ptrace() processing and this makes debugging threads so slow as to be totally unusable. All process page accesses via ptrace() go via access_process_vm(). This routine, for each process page, uses get_user_pages(). That in turn does a flush_dcache_page() on the child pages before we copy in/out the ptrace request data. Therefore, all we need to do after the data movement is: 1) Flush the D-cache pages if the kernel maps the page to a different color than userspace does. 2) If we wrote to the page, we need to flush the I-cache on older cpus. Previously we just flushed the entire cache at the end of a ptrace() request, and that was beyond stupid. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] sparc: Fix PTRACE_CONT bogosityDavid S. Miller2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SunOS aparently had this weird PTRACE_CONT semantic which we copied. If the addr argument is something other than 1, it sets the process program counter to whatever that value is. This is different from every other Linux architecture, which don't do anything with the addr and data args. This difference in particular breaks the Linux native GDB support for fork and vfork tracing on sparc and sparc64. There is no interest in running SunOS binaries using this weird PTRACE_CONT behavior, so just delete it so we behave like other platforms do. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] sparc64: use message queue compat syscallsDavid S. Miller2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | A couple message queue system call entries for compat tasks were not using the necessary compat_sys_*() functions, causing some glibc test cases to fail. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] sparc64: Do not flush dcache for ZERO_PAGE.David S. Miller2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This case actually can get exercised a lot during an ELF coredump of a process which contains a lot of non-COW'd anonymous pages. GDB has this test case which in partiaular creates near terabyte process full of ZERO_PAGEes. It takes forever to just walk through the page tables because of all of these spurious cache flushes on sparc64. With this change it takes only a second or so. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | Merge with master.kernel.org:/home/rmk/linux-2.6-rmk.git - ARM changesLinus Torvalds2005-04-17
| |\ \ | | | | | | | | | | | | First ever true git merge. Let's see if it actually works.
| | * | [PATCH] ARM: fix debug macrosRussell King2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix debug EBSA285 and RiscPC debugging macros to detect whether the MMU is enabled. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
| | * | [PATCH] ARM: bitopsRussell King2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert ARM bitop assembly to a macro. All bitops follow the same format, so it's silly duplicating the code when only one or two instructions are different. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
| | * | [PATCH] ARM: showregsRussell King2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix show_regs() to provide a backtrace. Provide a new __show_regs() function which implements the common subset of show_regs() and die(). Add prototypes to asm-arm/system.h Signed-off-by: Russell King <rmk@arm.linux.org.uk>
| | * | [PATCH] ARM: h3600_irda_set_speed argumentsRussell King2005-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | h3600_irda_set_speed() had the wrong type for the "speed" argument. Fix this. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
| | * | [PATCH] ARM: footbridge rtc initRussell King2005-04-17
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | The footbridge ISA RTC was being initialised before we had setup the kernel timer. This caused a divide by zero error when the current time of day is set. Resolve this by initialising the RTC after the kernel timer has been initialised. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
| * | Fix up some file mode differences due to the new git world order.Linus Torvalds2005-04-17
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| * | [PATCH] revert fs/char_dev.c CONFIG_BASE_FULL changeDavid Brownell2005-04-17
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts a fs/char_dev.c patch that was merged into BK on March 3. The problem is that it breaks things ... __register_chrdev_region() has a block of code, commented "temporary" for over two years now, which fails rudely during PCMCIA initialization or other register_chrdev() calls, because it doesn't "degrade to linked list". This keeps whole subsystems from working. A real fix to that "temporary" code should be possible, using some better scheme to allocate major numbers, but it's not something I want to spend time on just now. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | aic7xxx: convert to SPI transport class Domain Validation2005-04-18
| | | | | | | | | | | | | | | | | | | | | | Now that we export all the parameters, this is easy to do. It also means that we can dump about 2000 lines of code that were dedicated to doing this internally. Additionally, this removes all the aic7xxx driver abuse of SCSI timers which were embedded in the DV routines. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | aic7xxx: add support for the SPI transport class2005-04-18
| | | | | | | | | | | | | | | | | | This is just a simplistic patch to export all of the aic7xxx internal transport parameters via the SPI transport class. It doesn't actually alter the way the driver works at all. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | qla2xxx: fix compiler warning in qla_attr.c2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | CC [M] drivers/scsi/qla2xxx/qla_attr.o drivers/scsi/qla2xxx/qla_attr.c: In function `qla2x00_sysfs_write_fw_dump': drivers/scsi/qla2xxx/qla_attr.c:65: warning: implicit declaration of function `vfree' drivers/scsi/qla2xxx/qla_attr.c:83: warning: implicit declaration of function `vmalloc' drivers/scsi/qla2xxx/qla_attr.c:83: warning: cast to pointer from integer of different size Also remove spurious inclusion of linux/version.h Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | lpfc: add Emulex FC driver version 8.0.282005-04-18
| | | | | | | | | | | | | | From: James.Smart@Emulex.Com Modified for kernel import and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] drivers/scsi/gdth.c: cleanups2005-04-18
| | | | | | | | | | | | | | | | | | This patch contains the following cleanups: - make some needlessly global functions static - remove one more kernel 2.2 #ifdef Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] remove old scsi data direction macros2005-04-18
| | | | | | | | | | | | | | | | | | | | these have been wrappers for the generic dma direction bits since 2.5.x. This patch converts the few remaining drivers and removes the macros. Arjan noticed there's some hunk in here that shouldn't. Updated patch below: Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: update version to 8.00.02b5-k2005-04-18
| | | | | | | | | | Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: remove sale revision notes file2005-04-18
| | | | | | | | | | Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: remove /proc interface2005-04-18
| | | | | | | | | | | | | | Remove /proc support. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: cleanup DMA mappings...2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't use cmd->request->nr_hw_segments as it may not be initialized (SG_IO in particular bypasses anything that initializes this and just uses scsi_do_req to insert a scsi_request directly on the head of the queue) and a bogus value here can trip up the checks to make sure that the number of segments will fit in the queue ring buffer, resulting in commands that are never completed. Fix up several issues with PCI DMA mapping and failure to check return values on the mappings. Make the check for space in the ring buffer happen after the DMA mapping is done since any checks done before the mapping has taken place are bogus. Doug Ledford <dledford@redhat.com>. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: remove lun discovery codes...2005-04-18
| | | | | | | | | | | | | | | | Remove internal lun discovery routines and support structures. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: add remote port codes...2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | Add initial support for FC remote port infrastructure. o Use fc_remote_port...() registration and block/unlock functions. o Consolidate 'attribute' (fc-remote/sysfs) helpers into new qla_attr.c file. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] qla2xxx: remove internal queuing...2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | Remove internal command queuing from the driver. As is, this driver cannot tolerate cable-pulls as I/Os will begin to fail by the upper layers. o Should be used in conjuction with the 11-fc_rport_adds_2.diff patch. o Removes qla_listops.h file -- no longer needed. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | merge by hand (scsi_device.h)James Bottomley2005-04-18
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| * | [PATCH] scsi: scsi_send_eh_cmnd() cleanup2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | This patch makes scsi_send_eh_cmnd() use sdev and shost instead of referencing them through scmd-> everytime. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] scsi: remove volatile from scsi data2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes volatile qualifier from scsi_device->device_busy, Scsi_Host->host_busy and ->host_failed as the volatile qualifiers don't serve any purpose now. While at it, convert those fields from unsigned short to unsigned int as suggested by Christoph. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | scsi: add DID_REQUEUE to the error handling2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have a DID_IMM_RETRY to require a retry at once, but we could do with a DID_REQUEUE to instruct the mid-layer to treat this command in the same manner as QUEUE_FULL or BUSY (i.e. halt the submission until another command returns ... or the queue pressure builds if there are no outstanding commands). Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | zfcp: add point-2-point support2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Andreas Herrmann <aherrman@de.ibm.com> This patch mainly introduces support for point-2-point topology. From: Heiko Carstens <heiko.carstens@de.ibm.com> From: Maxim Shchetynin <maxim@de.ibm.com> From: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] Convert i2o to compat_ioctl2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also broken design in its compat handlers - CONFIG_COMPAT doesn't mean that there should be no native ioctls. Signed-off-by: Andi Kleen <ak@muc.de> Reworked with comments from Markus Lidel by: Christoph Hellwig <hch@infradead.org> Rejections fixed and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] kill old EH constants2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix up two drivers that incorrectly were using the old return values for their new-style EH methods and kill off scsi_obsolete.h that defined the constants. The initio driver has all these constansts defined locally and uses them internally, I'll fix that up some time later. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] scsi: remove meaningless scsi_cmnd->serial_number_at_timeout field2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | scsi_cmnd->serial_number_at_timeout doesn't serve any purpose anymore. All serial_number == serial_number_at_timeout tests are always true in abort callbacks. Kill the field. Also, as ->pid always equals ->serial_number and ->serial_number doesn't have any special meaning anymore, update comments above ->serial_number accordingly. Once we remove all uses of this field from all lldd's, this field should go. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] scsi: remove unused scsi_cmnd->internal_timeout field2005-04-18
| | | | | | | | | | | | | | | | | | | | | | | | scsi_cmnd->internal_timeout field doesn't have any meaning anymore. Kill the field. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] remove outdated print_* functions2005-04-18
| | | | | | | | | | | | | | | | | | | | | We have the scsi_print_* functions in the proper namespace for a long time now and there weren't a lot users left. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [PATCH] consolidate timeout defintions in scsi.h2005-04-18
| |/ | | | | | | | | | | Adapted from a patch in SuSE's kernel SRPM. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | updates for CFQ oops fix2005-04-16
| | | | | | | | | | | | | | | | | | - add a comment to the device structure that the device_busy field is now protected by the request_queue->queue_lock - null out sdev->request_queue after the queue is released to trap any (and there shouldn't be any) use after the queue is freed. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] fix NMI lockup with CFQ scheduler2005-04-16
| | | | | | | | | | | | | | | | | | | | The current problem seen is that the queue lock is actually in the SCSI device structure, so when that structure is freed on device release, we go boom if the queue tries to access the lock again. The fix here is to move the lock from the scsi_device to the queue. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] finally fix 53c700 to use the generic iomem infrastructure2005-04-16
| | | | | | | | | | | | | | This driver has had it's own different infrastructure for doing this for ages, but it's time it used the common one. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] zfcp: convert to compat_ioctl2005-04-16
| | | | | | | | | | Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [PATCH] sg.c: update2005-04-16
|/ | | | | | | | | | | | | | | | | | | | | The attachment combines the most recent patch from Yum Rayan <yum.rayan@gmail.com> (to reduce sg stack usage), Adrian Bunk <bunk@stusta.de> (to fix check after use) and me (fix elapsed time calculation (duration) on ia64 machines). I have modified the patch from Yum Rayan so kmalloc() in sg_read() is only called for the (rare) code paths that need them. Changelog: - reduce stack usage in sg_ioctl() and sg_read() - fix check after use in sg_mmap() - hold duration internally in milliseconds and check current time later than held time Signed-off-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] md: remove a number of misleading calls to MD_BUGNeilBrown2005-04-16
| | | | | | | | | | | | The conditions that cause these calls to MD_BUG are not kernel bugs, just oddities in what userspace is asking for. Also convert analyze_sbs to return void, and the value it returned was always 0. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: close a small race in md thread deregistrationNeilBrown2005-04-16
| | | | | | | | | | | | | | | There is a tiny race when de-registering an MD thread, in that the thread could disappear before it is set a SIGKILL, causing send_sig to have problems. This is most easily closed by holding tasklist_lock between enabling the thread to exit (setting ->run to NULL) and telling it to exit. (akpm: ick. Needs to use kthread API and stop using signals) Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fbdev MAINTAINERS updateBenjamin Herrenschmidt2005-04-16
| | | | | | | | | This patch does the long overdue updates to MAINTAINERS file for aty128fb and radeonfb. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] serial: fix comments in 8250.cRussell King2005-04-16
| | | | | | | | | | | | | | Fix the formatting of some comments in 8250.c, and add a note that the register_serial / unregister_serial shouldn't be used in new code. We do this here in preference to adding to linux/serial.h, since that is used by a number of non-8250 drivers which pretend to be 8250. It is not known whether it would be appropriate to do so. Signed-off-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] nfsd4: fix struct file leakNeilBrown2005-04-16
| | | | | | | | | | | | | We were failing to close on an error path, resulting in a leak of struct files which could take a v4 server down fairly quickly.... So call nfs4_close_delegation instead of just open-coding parts of it. Simplify the cleanup on delegation failure while we're at it. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] nfsd4: callback create rpc client returnsNeilBrown2005-04-16
| | | | | | | | | rpc_create_clnt and friends return errors, not NULL, on failure. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] nfsd: clear signals before exiting the nfsd() threadNeilBrown2005-04-16
| | | | | | | | | | | Fixes the error "RPC: failed to contact portmap (errno -512)." when the server later tries to unregister from the portmapper. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] jbd dirty buffer leak fixakpm@osdl.org2005-04-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the lots-of-fsx-linux-instances-cause-a-slow-leak bug. It's been there since 2.6.6, caused by: ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.5/2.6.5-mm4/broken-out/jbd-move-locked-buffers.patch That patch moves under-writeout ordered-data buffers onto a separate journal list during commit. It took out the old code which was based on a single list. The old code (necessarily) had logic which would restart I/O against buffers which had been redirtied while they were on the committing transaction's t_sync_datalist list. The new code only writes buffers once, ignoring redirtyings by a later transaction, which is good. But over on the truncate side of things, in journal_unmap_buffer(), we're treating buffers on the t_locked_list as inviolable things which belong to the committing transaction, and we just leave them alone during concurrent truncate-vs-commit. The net effect is that when truncate tries to invalidate a page whose buffers are on t_locked_list and have been redirtied, journal_unmap_buffer() just leaves those buffers alone. truncate will remove the page from its mapping and we end up with an anonymous clean page with dirty buffers, which is an illegal state for a page. The JBD commit will not clean those buffers as they are removed from t_locked_list. The VM (try_to_free_buffers) cannot reclaim these pages. The patch teaches journal_unmap_buffer() about buffers which are on the committing transaction's t_locked_list. These buffers have been written and I/O has completed. We can take them off the transaction and undirty them within the context of journal_invalidatepage()->journal_unmap_buffer(). Acked-by: "Stephen C. Tweedie" <sct@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] drivers/infiniband/hw/mthca/mthca_main.c: remove an unused labelRoland Dreier2005-04-16
| | | | | | | | Correct unwinding in error path of mthca_init_icm(). Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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