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* [PATCH] x86_64: Calgary IOMMU - fix off by one errorMuli Ben-Yehuda2006-07-29
| | | | | | | | | | Fixed off-by-one error in detect_calgary and calgary_init which will cause arrays to overflow. Also, removed impossible to hit BUG_ON. Signed-off-by: Jon Mason <jdmason@us.ibm.com> Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: On Intel systems when CPU has C3 don't use TSCAndi Kleen2006-07-29
| | | | | | | | | | On Intel systems generally the TSC stops in C3 or deeper, so don't use it there. Follows similar logic on i386. This should fix problems on Meroms. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Update defconfigAndi Kleen2006-07-29
| | | | | | | Update defconfig Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386: Do backtrace fallback tooAndi Kleen2006-07-28
| | | | | | | | | | Similar patch to earlier x86-64 patch. When the dwarf2 unwinder fails dump the left over stack with the old unwinder. Also some clarifications in the headers. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Dump leftover backtrace entries when dwarf2 unwinder got stuckAndi Kleen2006-07-28
| | | | | | | | | | | | | | | | | | | | | | | | | | The dwarf2 unwinder currently often gets stuck because a lot of assembly code doesn't have proper dwarf2 annotiation yet. This currently often happens with __down. Should fix this by adding proper dwarf2 annotation to all inline assembly. However until that's done we need a quick fix for 2.6.18 to avoid incomplete backtraces. So when this happens dump the rest of the stack with the old unwinder instead of silently not dumping it. There was already a optional "both" mode that dumped both, but that was too ugly. I also clarified the headers for the different backtraces a bit. Also add a clear error message for missing dwarf2 annotation that people can work on. And I removed a dead variable left over from Ingo's changes. Cc: mingo@elte.hu Cc: jbeulich@novell.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Don't clobber r8-r11 in int 0x80 handlerAndi Kleen2006-07-28
| | | | | | | | | | | | | | | | | | | | When int 0x80 is called from long mode r8-r11 would leak out of the kernel (or rather they would be filled with some values from the kernel stack). I don't think it's a security issue because the values come from the fixed stack frame which should be near always user registers from a previous interrupt. Still better fix it. Longer term the register save macros need to be cleaned up to avoid such mistakes in the future. Original analysis from Richard Brunner, fix by me. Cc: Richard.Brunner@amd.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386/x86-64: Add user_mode checks to profile_pc for oprofileAndi Kleen2006-07-28
| | | | | | | | | | | | | | | | | | Fixes a obscure user space triggerable crash during oprofiling. Oprofile calls profile_pc from NMIs even when user_mode(regs) is not true and the program counter is inside the kernel lock section. This opens a race - when a user program jumps to a kernel lock address and a NMI happens before the illegal page fault exception is raised and the program has a unmapped esp or ebp then the kernel could oops. NMIs have a higher priority than exceptions so that could happen. Add user_mode checks to i386/x86-64 profile_pc to prevent that. Cc: John Levon <levon@movementarian.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2006-07-28
|\ | | | | | | | | | | | | * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] update default configuration [S390] duplicate ccw devices in ccwgroup. [S390] permanent subchannel busy conditions may cause I/O stall
| * [S390] update default configurationMartin Schwidefsky2006-07-27
| | | | | | | | Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2006-07-28
|\ \ | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SUNLANCE]: fix compilation on sparc-UP [SPARC]: Defer clock_probe to fs_initcall() [SPARC64]: Fix typo in pgprot_noncached(). [SPARC64]: Fix quad-float multiply emulation.
| * | [SPARC]: Defer clock_probe to fs_initcall()Bob Breuer2006-07-28
| |/ | | | | | | | | | | | | | | | | From: Bob Breuer <breuerr@mc.net> That way all the of_driver bits will be ready. Signed-off-by: David S. Miller <davem@davemloft.net>
* / [PATCH] i386: switch_to(): misplaced parenthesesChuck Ebbert2006-07-28
|/ | | | | | | | | Recent changes in i386 __switch_to() have a misplaced closing parenthesis causing an unlikely() to terminate early. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SPARC64]: Explicitly print return PC when the kernel fault PC is bogus.David S. Miller2006-07-25
| | | | | | | That way we'll have at least some debugging info even if the stack dump explodes. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Update defconfig.David S. Miller2006-07-21
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Fix length parameter verification in sys_getdomainname().David S. Miller2006-07-21
| | | | | | Found by scrashme. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Get sun4d SMP building again.Raymond Burns2006-07-21
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Do not call sun4m_irq_rotate on sun4d.Raymond Burns2006-07-21
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Simplify and correct __cpu_find_by()David S. Miller2006-07-21
| | | | | | | | | By using for_each_node_by_type(). Also, correct a spurioud test in check_cpu_node() on sparc64. It is only called with nodes that have device_type "cpu". Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Initialize iounit spinlock in iounit_init().Raymond Burns2006-07-21
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Fix initialization of sun4d SBUS interrupts.David S. Miller2006-07-21
| | | | | | | | | 1) Explicitly traverse to the root looking for the "sbi". 2) Grab the "board#" property from the sbi's parent and verify that this parent is an "io-unit" node. 3) Skip IRQ initialization when device lacks "reg" property. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Fix property name acquisition in prom.cBob Breuer2006-07-21
| | | | | | | | | On sparc32 the prom_{first,next}prop() interfaces work a little differently. The buffer argument is ignored on sparc32 and the firmware just returns a raw pointer to the property name. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Kill prom_getname, unused and not implemented properly.David S. Miller2006-07-21
| | | | | | | The m68k port's sun3 asm/oplib.h had a stray reference too, so I killed that off as well. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Fix more of_device layer IRQ bugs, and correct PROMREG_MAX.David S. Miller2006-07-21
| | | | | | | | | | | | | | | | | | Sabre and Psycho PCI controllers can have partial interrupt-map properties, meaning that on-board devices don't match up to any entries. Instead, they are fully specified from the beginning and we should pass them directly to the IRQ translator as-is. Also, fill in the necessary translator slots for the "graphics" and "expansion UPA" interrupts on Sabre, Psycho, and SYSIO SBUS. Increase PROMREG_MAX to 24, as seen on SUNW,ffb devices. Finally, prevent accidentally writing past the end of the of_device struct resource[] and irqs[] arrays. Spit out a log message when we ignore some entries because there are too many of them. Signed-off-by: David S. Miller <davem@davemloft.net>
* [S390] sysfs_create_xxx return values.Heiko Carstens2006-07-18
| | | | | | | Take return values of sysfs_create_group & friends into account. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* [S390] .align 4096 statements in head.SHeiko Carstens2006-07-18
| | | | | | | | SLES9 binutils don't like .align 4096 statements in head.S. Work around this by using .org statements. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* [PATCH] UML - fix utsname build breakageJeff Dike2006-07-15
| | | | | | | | | | | | Some -mm-only material leaked into a patch destined for mainline, and I didn't notice. This was the replacement of system_utsname with utsname() that's required by the uts namespace patch. This patch reverts those changes (which are correct in -mm) so that mainline UML builds again. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2006-07-15
|\ | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64] Fix PSYCHO PCI controler init. [SPARC64] psycho: Fix pbm->name handling in pbm_register_toplevel_resources() [SERIAL] sunsab: Fix significant typo in sab_probe() [SERIAL] sunsu: Report keyboard and mouse ports in kernel log. [SPARC64]: Make sure IRQs are disabled properly during early boot.
| * [SPARC64] Fix PSYCHO PCI controler init.Marc Zyngier2006-07-14
| | | | | | | | | | | | | | | | | | pbm->name should be initialized before calling pbm_register_toplevel_resources. Move the call a few lines down to avoid a nice Oops. Signed-off-by: Marc Zyngier <maz@misterjones.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64] psycho: Fix pbm->name handling in pbm_register_toplevel_resources()David S. Miller2006-07-14
| | | | | | | | | | | | | | | | | | We shouldn't overwrite it, it's the device node full name already and that's what we want. Based upon a report from Marc Zyngier. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Make sure IRQs are disabled properly during early boot.David S. Miller2006-07-14
| | | | | | | | | | | | Else we trigger the new irqs_disable() assertion in start_kernel(). Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] uml: header formatting cleanupsJeff Dike2006-07-15
| | | | | | | | | | | | | | | | Clean up whitespace and return syntax in os.h. 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 biarch gcc supportJeff Dike2006-07-15
| | | | | | | | | | | | | | | | | | | | | | | | 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 Dike2006-07-15
| | | | | | | | | | | | | | | | | | | | 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 Lobanov2006-07-15
| | | | | | | | | | | | | | | | | | | | | | | | 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. Biederman2006-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Marinas2006-07-15
| | | | | | | | | | | | 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 Ebbert2006-07-15
|/ | | | | | | | | | | 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>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2006-07-13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * '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 Nemoto2006-07-13
| | | | | | | | | | | | | | 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 Yuasa2006-07-13
| | | | | | | | | | 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 Yuasa2006-07-13
| | | | | | | | | | 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 Yuasa2006-07-13
| | | | | | | | | | 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 Yuasa2006-07-13
| | | | | | | | | | 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 Baechle2006-07-13
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Remove unused code.Ralf Baechle2006-07-13
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP22 Fix brown paper bag in RTC code.Julien BLACHE2006-07-13
| | | | | | | | | | | | | | | | 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 Baechle2006-07-13
| | | | | | | | | | | | 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 Baechle2006-07-13
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
| * [MIPS] Nuke redeclarations of board_time_init.Ralf Baechle2006-07-13
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Remove redeclarations of setup_irq().Ralf Baechle2006-07-13
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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