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* [PATCH] x86_64: Move int 3 handler to debug stack and allow to increase it.Jan Beulich2006-01-118-22/+95
| | | | | | | | | | | | | | | | | | This - switches the INT3 handler to run on an IST stack (to cope with breakpoints set by a kernel debugger on places where the kernel's %gs base hasn't been set up, yet); the IST stack used is shared with the INT1 handler's [AK: this also allows setting a kprobe on the interrupt/exception entry points] - allows nesting of INT1/INT3 handlers so that one can, with a kernel debugger, debug (at least) the user-mode portions of the INT1/INT3 handling; the nesting isn't actively enabled here since a kernel- debugger-free kernel doesn't need it Signed-Off-By: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Don't confuse apic=... command line option with apicAndi Kleen2006-01-111-1/+3
| | | | | | | Previously apic was foced with apic=logopt was specified. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Dont't disable early PCI scan with apicAndi Kleen2006-01-111-3/+0
| | | | | | | It might be still needed for non APIC related issues. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386/x86-64: Update AMD CPUID flagsAndi Kleen2006-01-114-13/+40
| | | | | | | | | | | | | | | | Print bits for RDTSCP, SVM, CR8-LEGACY. Also now print power flags on i386 like x86-64 always did. This will add a new line in the 386 cpuinfo, but that shouldn't be an issue - did that in the past too and I haven't heard of any breakage. I shrunk some of the fields in the i386 cpuinfo_x86 to chars to make up for the new int "x86_power" field. Overall it's smaller than before. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Use X86_FEATURE_CONSTANT_TSC now to clean up Intel speedstep ↵Andi Kleen2006-01-113-31/+4
| | | | | | | | | | | | | drivers They previously tried to figure this out on their own. Suggested by Venkatesh. Cc: venkatesh.pallipadi@intel.com Cc: davej@redhat.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386/x86-64: Generalize X86_FEATURE_CONSTANT_TSC flagAndi Kleen2006-01-115-4/+15
| | | | | | | | | | | | | | | Define it for i386 too. This is a synthetic flag that signifies that the CPU's TSC runs at a constant P state invariant frequency. Fix up the logic on x86-64/i386 to set it on all known CPUs. Use the AMD defined bit to set it on future AMD CPUs. Cc: venkatesh.pallipadi@intel.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Remove enable/disable_hltAndi Kleen2006-01-112-37/+9
| | | | | | | | Was only used by the floppy driver to work around some ancient hardware bug that should never occur on any 64bit system. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Add documentation for CPU hotplug ACPI extensionAndi Kleen2006-01-111-0/+21
| | | | | | | Cc: len.brown@intel.com, ashok.ray@intel.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Don't reserve hotplug CPUs by defaultAndi Kleen2006-01-112-8/+5
| | | | | | | | | | | Most users don't need it so no need to waste memory. This means an user has to specify the appropiate number of hotplug CPUs on the command line with additional_cpus=... or fix their BIOS to follow the convention in Documentation/x86-64/cpu-hotplug-spec Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386/x86-64: Use input/output dependencies for bitopsAndi Kleen2006-01-112-24/+24
| | | | | | | Noticed by Andreas Schwab Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: No need to remove NT during CPU setupAndi Kleen2006-01-111-7/+0
| | | | | | | | head.S already clears EFLAGS completely. Following an i386 patch from Zachary Amsden. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Minor GFP_DMA32 comment fixAndi Kleen2006-01-111-1/+1
| | | | | | | Pretty obvious Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Adjust page fault handlingJan Beulich2006-01-111-3/+4
| | | | | | | | Adjust page fault protection error check before considering it to be a vmalloc synchronization candidate. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Remove unprotected iretJan Beulich2006-01-111-1/+1
| | | | | | | | | Make sure no iret can fault without attached recovery code. Cannot happen in the normal case, but might be useful with kernel debuggers Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Clean up double fault handlingJan Beulich2006-01-111-1/+17
| | | | | | | | | | | | | | | | Since a double fault always implies that kernel data structures are corrupt, this fault should neither be handed to user mode handling, nor should the handler allow resuming the faulting code stream (since architecturally this isn't a fault, but an abort). Note that this slightly depends on the previously submitted patch adjusting the prototype of notify_die() (a compiler warning will result without that other patch). AK: Removed obsolete CONFIG_CHECKING code, added comments Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: make trap information available to die notification handlersJan Beulich2006-01-114-19/+37
| | | | | | | | | This adjusts things so that handlers of the die() notifier will have sufficient information about the trap currently being handled. It also adjusts the notify_die() prototype to (again) match that of i386. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Removing unused function die_if_kernel().Jan Beulich2006-01-111-5/+0
| | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: fix bound check IDT gateJan Beulich2006-01-111-2/+2
| | | | | | | | Other than apparently commonly assumed, the bound instruction does not require the corresponding IDT entry to have DPL 3. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Separate CONFIG_UNWIND_INFO from CONFIG_DEBUG_INFOJan Beulich2006-01-113-3/+5
| | | | | | | | | As a follow-up to the introduction of CONFIG_UNWIND_INFO, this separates the generation of frame unwind information for x86-64 from that of full debug information. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Support constant TSC feature in future AMD CPUs.Andi Kleen2006-01-111-0/+6
| | | | | | | Based on the documentation recently posted by Richard Brunner. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: More CFI fixes for 32bit entry codeJan Beulich2006-01-112-5/+30
| | | | | | | | | | Frame unwind information was still incorrect for ia32_ptregs_common (sorry, my fault), and could be improved for some of the other entry points. Signed-Off-By: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Update defconfigAndi Kleen2006-01-111-47/+69
| | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] lindent rio driversAndrew Morton2006-01-1172-8030/+7381
| | | | | | | | | | Run all rio files through indent -kr -i8 -bri0 -l255, as requested by Alan. rioboot.c and rioinit.c were skipped due to worrisome lindent warnings. 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] capable/capability.h (arch/)Randy Dunlap2006-01-1132-0/+32
| | | | | | | | arch: Use <linux/capability.h> where capable() is used. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] capable/capability.h (net/)Randy Dunlap2006-01-1165-1/+69
| | | | | | | | net: Use <linux/capability.h> where capable() is used. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] capable/capability.h (fs/)Randy Dunlap2006-01-1146-0/+52
| | | | | | | | | fs: Use <linux/capability.h> where capable() is used. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] move capable() to capability.hRandy.Dunlap2006-01-1141-9/+44
| | | | | | | | | | | | | - Move capable() from sched.h to capability.h; - Use <linux/capability.h> where capable() is used (in include/, block/, ipc/, kernel/, a few drivers/, mm/, security/, & sound/; many more drivers/ to go) Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uninline capable()Ingo Molnar2006-01-112-12/+13
| | | | | | | | | | Uninline capable(). Saves 2K of kernel text on a generic .config, and 1K on a tiny config. In addition it makes the use of capable more consistent between CONFIG_SECURITY and !CONFIG_SECURITY Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ipmi: use CONFIG_DMI instead of CONFIG_X86Matt Domsch2006-01-111-5/+5
| | | | | | | | | | | | | | | | With Andi Kleen's x86_64 patch to use DMI, and my ia64 to use DMI, there is now a new CONFIG_DMI option which takes the place of CONFIG_X86 to denote the availability of the DMI functions. Make the IPMI driver use CONFIG_DMI instead. Tested on ia64 2.6.15 kernel plus the previous patch, on a Dell PowerEdge 7250 Itanium2 server, and it now autodetects the IPMI KCS driver as expected. Signed-off-by: Matt Domsch <Matt_Domsch@dell.com> Acked-by: Corey Minyard <minyard@acm.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove unused out_pio label in i810_audioJesper Juhl2006-01-111-1/+0
| | | | | | | | sound/oss/i810_audio.c:3431: warning: label `out_pio' defined but not used Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kprobes: fix race in recovery of reentrant probeKeshavamurthy Anil S2006-01-115-0/+49
| | | | | | | | | | | | | | | | | There is a window where a probe gets removed right after the probe is hit on some different cpu. In this case probe handlers can't find a matching probe instance related to break address. In this case we need to read the original instruction at break address to see if that is not a break/int3 instruction and recover safely. Previous code had a bug where we were not checking for the above race in case of reentrant probes and the below patch fixes this race. Tested on IA64, Powerpc, x86_64. Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kprobes: fix unloading of self probed moduleKeshavamurthy Anil S2006-01-112-10/+35
| | | | | | | | | | | | | | | | | | When a kprobes modules is written in such a way that probes are inserted on itself, then unload of that moudle was not possible due to reference couning on the same module. The below patch makes a check and incrementes the module refcount only if it is not a self probed module. We need to allow modules to probe themself for kprobes performance measurements This patch has been tested on several x86_64, ppc64 and IA64 architectures. Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] reiserfs: fix assertion failure in reiserfs+journaled quotasJan Kara2006-01-111-1/+4
| | | | | | | | | | | | | | | | Sometimes we call do_journal_end() with t_refcount == 0. If quota is turned on and we happen to have some inode with preallocation bad things happen as we try to use the current handle for quota operations. Checks for t_refcount in journal_begin() fail and we Oops. We raise t_refcount to make those checks happy. We should not cause any bad as all the needed quota blocks should be already attached to the transaction (they were attached to the transaction when we allocated those preallocation blocks). Signed-off-by: Jan Kara <jack@suse.cz> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Chris Mason <mason@suse.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] synclink_gt remove unnecessary page alignmentPaul Fulghum2006-01-111-12/+4
| | | | | | | | | Remove unnecessary and incorrectly implemented page alignment of register base address before calling ioremap() Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] random: get rid of sparse warningStephen Hemminger2006-01-111-1/+1
| | | | | | | | | Get rid of bogus extern attribute that causes sparse warning. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] MAINTAINERS: remove dead projectAlan Cox2006-01-111-7/+0
| | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kdump: vmcore compilation warning fixVivek Goyal2006-01-111-1/+1
| | | | | | | | | | | | | o fs/proc/vmcore.c compilation gives warnings on ppc64. The reason being that u64 is defined as unsigned long hence u64* is not same as loff_t* and compiler cribs. o Changed the parameter type to u64* instead of loff_t* to resolve the conflict. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cs89x0: Fix the Kconfig help textJean Delvare2006-01-111-1/+1
| | | | | | | | Fix the help text of the cs89x0 network driver Kconfig entry. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cs89x0: fix setting of ALLOW_DMALennert Buytenhek2006-01-111-1/+1
| | | | | | | | | | | | There's an ifdef in cs89x0.c that seems to have been the wrong way round since it was merged (and noone seems to have noticed) -- the IXDP2x01 doesn't support ISA-style DMA, but when building for IXDP2x01, cs89x0's ALLOW_DMA is set to 1, and when building for another platform, ALLOW_DMA is set to 0. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] tclk: fix typos, exclamation mark frenzy and missing device id on ↵Alan Cox2006-01-111-8/+7
| | | | | | | | | | | | | messages I sent this out a couple of months ago and the driver author said it he'd merge it. Nothing has happened since so I'm submitting it directly. No functionality changes just texts. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Allow reading CMOS day of week registerAlan Cox2006-01-111-5/+9
| | | | | | | | | | | Someone wanted access to this usually unused (and unused by Linux) value for the day of week. Existing kernels have the field in the struct but return 0 always. This updates the kernel to fill in the field. The usual case of 'not set' conveniently is 0. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ext3: fix documentation of online resizingTore Anderson2006-01-111-2/+2
| | | | | | | | | | Undocument the non-working resize= mount option in ext3, and add some references to the ext2resize package instead, which appears to be the only proper way of doing online resizing of ext3 filesystems. Signed-off-by: Tore Anderson <tore@fud.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] doc: refer to kdump in oops-tracing.txtAkinobu Mita2006-01-111-5/+3
| | | | | | | | | | Kdump has been merged and supported on several architectures. It is better to encourage to use kdump rather than non standard kernel crash dump patches. 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] kdump: add dmesg gdbmacro into documentAkinobu Mita2006-01-111-0/+22
| | | | | | | | Add gdb macro which print the kernel ring buffer into kdump docs 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] uml: kill an unused variableJeff Dike2006-01-111-1/+0
| | | | | | | | | The HDIO_GETGEO patch left an unused variable in the UML block driver. This gets rid of it. 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: fix debug output on x86_64Jeff Dike2006-01-111-2/+2
| | | | | | | | | | The debug-stub patch was broken on x86_64 because it thinks the frame size there is 168 words. In reality, it is 168 bytes, and using HOST_FRAME_SIZE, which is expressed in consistent units across architectures, fixes this. 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: eliminate doubled boot outputJeff Dike2006-01-111-1/+1
| | | | | | | | | CON_PRINTBUFFER was a bad idea for the mconsole console. It causes the boot output to be printed twice. 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: revert compile-time option checkingJeff Dike2006-01-111-4/+0
| | | | | | | | | Undo the previous no-modes patch since Adrian Bunk sent in a kbuild way of doing the same thing. 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: update Kconfig helpJeff Dike2006-01-111-4/+4
| | | | | | | | | | The MODE_TT help was a little outdated. This updates it in light of the existence of skas0 mode. It's also turned off by default since it is mostly obsoleted by skas0 mode. 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: fix missing KBUILD_BASENAMEJeff Dike2006-01-114-20/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | 2.6.15-mm1 caused kernel-offsets.c to stop compiling with a syntax error in a header. The problem was with KBUILD_BASENAME, which didn't get a definition with the by-hand compilation in the main UML Makefile. This was OK before since the expansion was syntactically the same as the KBUILD_BASENAME token. With -mm1, the expansion is now a quote-delimited string, so there needs to be a definition of it. Since kernel-offsets.c is basically the same as other arches' asm-offsets.c, and those seem to build OK, this patch turns kernel-offsets.c into asm-offsets.c. kernel-offsets.c is in arch/um/sys-$(SUBARCH), i.e. sys-i386 and sys-x86_64, while kbuild expects it to be in arch/um/kernel. kernel-offsets.c is moved to arch/um/include/sysdep-$(SUBARCH)/kernel-offsets.h, which is included by arch/um/kernel/asm-offsets.c. With that, include/asm-um/asm-offsets.h is generated automatically. kernel-offsets.h continues to exist because it needs to be accessible to userspace UML code, and include/asm-um isn't. So, a symlink is made from arch/um/include/kernel-offsets.h to include/asm-um/asm-offsets.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>
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