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* [PATCH] uml: tidy biarch gcc supportJeff Dike2006-07-142-2/+1
| | | | | | | | | | | | On top of the previous biarch changes for UML, this makes the preprocessor changes a bit cleaner. Specify the 64-bit build in CPPFLAGS on the x86_64 SUBARCH, rather than #undef'ing i386. Compile-tested with i386 and x86_64 SUBARCHs. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: tidy longjmp macroJeff Dike2006-07-144-18/+13
| | | | | | | | | | The UML_SETJMP macro was requiring its users to pass in a argument which it could supply itself, since it wasn't used outside that invocation of the macro. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386: remove redundant might_sleep() in user accessors.Vadim Lobanov2006-07-141-2/+0
| | | | | | | | | | | | On i386, the user space accessor functions copy_from/to_user() both invoke might_sleep(), do a quick sanity check, and then pass the work on to their __copy_from/to_user() counterparts, which again invoke might_sleep(). Given that no actual work happens between these two calls, it is best to eliminate one of the redundant might_sleep()s. Signed-off-by: Vadim Lobanov <vlobanov@speakeasy.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386 kexec: allow the kexec on panic support to compile on voyagerEric W. Biederman2006-07-141-1/+1
| | | | | | | | | | | | | | | | | This patch removes the foolish assumption that SMP implied local apics. That assumption is not-true on the Voyager subarch. This makes that dependency explicit, and allows the code to build. What gets disabled is just an optimization to get better crash dumps so the support should work if there is a kernel that will initialization on the voyager subarch under those harsh conditions. Hopefully we can figure out how to initialize apics in init_IRQ and remove the need to disable io_apics and this dependency. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix a memory leak in the i386 setup codeCatalin Marinas2006-07-141-1/+4
| | | | | | Signed-off-by: Catalin Marinas <catalin.marinas@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386: handle_BUG(): don't print garbage if debug info unavailableChuck Ebbert2006-07-141-20/+20
| | | | | | | | | | | handle_BUG() tries to print file and line number even when they're not available (CONFIG_DEBUG_BUGVERBOSE is not set.) Change this to print a message stating info is unavailable instead of printing a misleading message. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ia64: race flushing icache in COW pathAnil Keshavamurthy2006-07-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | There is a race condition that showed up in a threaded JIT environment. The situation is that a process with a JIT code page forks, so the page is marked read-only, then some threads are created in the child. One of the threads attempts to add a new code block to the JIT page, so a copy-on-write fault is taken, and the kernel allocates a new page, copies the data, installs the new pte, and then calls lazy_mmu_prot_update() to flush caches to make sure that the icache and dcache are in sync. Unfortunately, the other thread runs right after the new pte is installed, but before the caches have been flushed. It tries to execute some old JIT code that was already in this page, but it sees some garbage in the i-cache from the previous users of the new physical page. Fix: we must make the caches consistent before installing the pte. This is an ia64 only fix because lazy_mmu_prot_update() is a no-op on all other architectures. Signed-off-by: Anil Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm: fix oom roll-back of __vmalloc_area_nodeJan Kiszka2006-07-142-3/+5
| | | | | | | | | | __vunmap must not rely on area->nr_pages when picking the release methode for area->pages. It may be too small when __vmalloc_area_node failed early due to lacking memory. Instead, use a flag in vmstruct to differentiate. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB/core: use correct gfp_mask in sa_queryMichael S. Tsirkin2006-07-141-5/+5
| | | | | | | | | | | Avoid bogus out of memory errors: fix sa_query to actually pass gfp_mask supplied by the user to idr_pre_get. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Acked-by: "Sean Hefty" <mshefty@ichips.intel.com> Acked-by: "Roland Dreier" <rdreier@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fmr pool: remove unnecessary pointer dereferenceMichael S. Tsirkin2006-07-144-7/+7
| | | | | | | | | | | | ib_fmr_pool_map_phys gets the virtual address by pointer but never writes there, and users (e.g. srp) seem to assume this and ignore the value returned. This patch cleans up the API to get the VA by value, and updates all users. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Acked-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB/cm: set private data length for reject messagesIra Weiny2006-07-141-0/+1
| | | | | | | | | | | Set private data length for reject messages to the correct size. Fix from openib svn r8483. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] srp: fix fmr error handlingVu Pham2006-07-141-0/+1
| | | | | | | | | | | | srp_unmap_data assumes req->fmr is NULL if the request is not mapped, so we must clean it out in case of an error. Signed-off-by: Vu Pham <vu@mellanox.com> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Acked-by: Roland Dreier <rolandd@cisco.com> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB/addr: gid structure alignment fixMichael S. Tsirkin2006-07-142-14/+17
| | | | | | | | | | | | The device address contains unsigned character arrays, which contain raw GID addresses. The GIDs may not be naturally aligned, so do not cast them to structures or unions. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB/cm: drop REQ when out of memoryMichael S. Tsirkin2006-07-141-3/+18
| | | | | | | | | | | | If a user of the IB CM returns -ENOMEM from their connection callback, simply drop the incoming REQ - do not attempt to send a reject. This should allow the sender to retry the request. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Sean Hefty <sean.hefty@intel.com> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB/mthca: comment fixMichael S. Tsirkin2006-07-141-7/+6
| | | | | | | | | | | | After recent changes, mthca_wq_init does not actually initialize the WQ as it used to - it simply resets all index fields to their initial values. So, let's rename it to mthca_wq_reset. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Roland Dreier <rolandd@cisco.com> Acked-by: Zach Brown <zach.brown@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB/mthca: fix static rate returned by mthca_ah_queryJack Morgenstein2006-07-141-2/+3
| | | | | | | | | | | | mthca_ah_query returs the static rate of the address handle in internal mthc format. fix it to use rate encoding from enum ib_rate, which is what users expect. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] struct file leakageKirill Korotaev2006-07-141-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2.6.16 leaks like hell. While testing, I found massive leakage (reproduced in openvz) in: *filp *size-4096 And 1 object leaks in *size-32 *size-64 *size-128 It is the fix for the first one. filp leaks in the bowels of namei.c. Seems, size-4096 is file table leaking in expand_fdtables. I have no idea what are the rest and why they show only accompanying another leaks. Some debugging structs? [akpm@osdl.org, Trond: remove the IS_ERR() check] Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: Kirill Korotaev <dev@openvz.org> Cc: <stable@kernel.org> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Relax /proc fix a bitLinus Torvalds2006-07-141-1/+2
| | | | | | | Clearign all of i_mode was a bit draconian. We only really care about S_ISUID/ISGID, after all. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Fix nasty /proc vulnerabilityLinus Torvalds2006-07-141-0/+1
| | | | | | | | | We have a bad interaction with both the kernel and user space being able to change some of the /proc file status. This fixes the most obvious part of it, but I expect we'll also make it harder for users to modify even their "own" files in /proc. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2006-07-13216-3239/+3041
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (53 commits) [MIPS] sparsemem: fix crash in show_mem [MIPS] vr41xx: Update workpad setup function [MIPS] vr41xx: Update e55 setup function [MIPS] vr41xx: Removed old v2.4 VRC4173 driver [MIPS] vr41xx: Move IRQ numbers to asm-mips/vr41xx/irq.h [MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup. [MIPS] Remove unused code. [MIPS] IP22 Fix brown paper bag in RTC code. [MIPS] Atlas, Malta, SEAD: Don't disable interrupts in mips_time_init(). [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. [MIPS] Nuke redeclarations of board_time_init. [MIPS] Remove redeclarations of setup_irq(). [MIPS] Nuke redeclarations of board_timer_setup. [MIPS] Print out TLB handler assembly for debugging. [MIPS] SMTC: Reformat to Linux style. [MIPS] MIPSsim: Delete redeclaration of ll_local_timer_interrupt. [MIPS] IP27: Reformatting. [MIPS] IP27: Invoke setup_irq for timer interrupt so proc stats will be shown. [MIPS] IP27: irq_chip startup method returns unsigned int. [MIPS] IP27: struct irq_desc member handler was renamed to chip. ...
| * [MIPS] sparsemem: fix crash in show_memAtsushi Nemoto2006-07-131-0/+2
| | | | | | | | | | | | | | With sparsemem, pfn should be checked by pfn_valid() before pfn_to_page(). Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] vr41xx: Update workpad setup functionYoichi Yuasa2006-07-132-48/+10
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] vr41xx: Update e55 setup functionYoichi Yuasa2006-07-132-48/+10
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] vr41xx: Removed old v2.4 VRC4173 driverYoichi Yuasa2006-07-134-791/+1
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] vr41xx: Move IRQ numbers to asm-mips/vr41xx/irq.hYoichi Yuasa2006-07-1317-83/+114
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup.Ralf Baechle2006-07-131-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Remove unused code.Ralf Baechle2006-07-133-249/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP22 Fix brown paper bag in RTC code.Julien BLACHE2006-07-131-1/+1
| | | | | | | | | | | | | | | | This patch fixes a typo in arch/mips/sgi-ip22/ip22-time.c, leading to the incorrect year being set into the RTC chip. Signed-off-by: Julien BLACHE <jb@jblache.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Atlas, Malta, SEAD: Don't disable interrupts in mips_time_init().Ralf Baechle2006-07-131-5/+1
| | | | | | | | | | | | By the time it's called from time_init interrupts are still disabled. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Replace board_timer_setup function pointer by plat_timer_setup.Ralf Baechle2006-07-1339-97/+40
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
| * [MIPS] Nuke redeclarations of board_time_init.Ralf Baechle2006-07-132-2/+0
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Remove redeclarations of setup_irq().Ralf Baechle2006-07-134-6/+3
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Nuke redeclarations of board_timer_setup.Ralf Baechle2006-07-132-2/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Print out TLB handler assembly for debugging.Thiemo Seufer2006-07-131-88/+71
| | | | | | | | | | | | | | Small update, using pr_debug and pr_info. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] SMTC: Reformat to Linux style.Ralf Baechle2006-07-131-29/+29
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] MIPSsim: Delete redeclaration of ll_local_timer_interrupt.Ralf Baechle2006-07-131-2/+0
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP27: Reformatting.Ralf Baechle2006-07-131-4/+4
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP27: Invoke setup_irq for timer interrupt so proc stats will be shown.Ralf Baechle2006-07-131-0/+4
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP27: irq_chip startup method returns unsigned int.Ralf Baechle2006-07-131-1/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP27: struct irq_desc member handler was renamed to chip.Ralf Baechle2006-07-131-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Remove vmlinux.rm200 target from makefile.Yoichi Yuasa2006-07-131-4/+2
| | | | | | | | | | | | | | | | Long ago in the dark ages this was used a MIPS a.out binary to be used with Milo which is obsolete since years. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] vr41xx: Replace magic number for P4K bit with symbol.Yoichi Yuasa2006-07-132-1/+2
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] vr41xx: Changed workaround to recommended methodYoichi Yuasa2006-07-131-4/+3
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Oprofile: Fix build failure due to warning and -Werror.Thiemo Seufer2006-07-131-0/+2
| | | | | | | | | | Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] TRACE_IRQFLAGS_SUPPORT support.Ralf Baechle2006-07-1315-39/+91
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix rdhwr_op definition.Atsushi Nemoto2006-07-131-1/+1
| | | | | | | | | | Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Do not count pages in holes with sparsememAtsushi Nemoto2006-07-131-25/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With some memory model other than FLATMEM, the single node can contains some holes so there might be many invalid pages. For example, with two 256M memory and one 256M hole, some variables (num_physpage, totalpages, nr_kernel_pages, nr_all_pages, etc.) will indicate that there are 768MB on this system. This is not desired because, for example, alloc_large_system_hash() allocates too many entries. Use free_area_init_node() with counted zholes_size[] instead of free_area_init(). For num_physpages, use number of ram pages instead of max_low_pfn. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Sparsemem fixesAtsushi Nemoto2006-07-132-8/+5
| | | | | | | | | | | | | | | | | | 1. MIPS should select SPARSEMEM_STATIC since allocating bootmem in memory_present() will corrupt bootmap area. 2. pfn_valid() for SPARSEMEM is defined in linux/mmzone.h Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP32: Fix wreckage caused by recent SA_* constant replacement.Thiemo Seufer2006-07-131-4/+4
| | | | | | | | | | Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] VR41xx: Set VR41_CONF_BP only for PrId 0x0c80.Yoichi Yuasa2006-07-132-1/+4
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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