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* [CPUFREQ] Fix section mismatch warningVenkatesh Pallipadi2006-09-26
| | | | | | | Make the sections proper and get rid of section mismatch warnings. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
* [CPUFREQ] Fix cut-n-paste bug in suspend printkDave Jones2006-09-26
| | | | Signed-off-by: Dave Jones <davej@redhat.com>
* Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6Linus Torvalds2006-09-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (225 commits) [PATCH] Don't set calgary iommu as default y [PATCH] i386/x86-64: New Intel feature flags [PATCH] x86: Add a cumulative thermal throttle event counter. [PATCH] i386: Make the jiffies compares use the 64bit safe macros. [PATCH] x86: Refactor thermal throttle processing [PATCH] Add 64bit jiffies compares (for use with get_jiffies_64) [PATCH] Fix unwinder warning in traps.c [PATCH] x86: Allow disabling early pci scans with pci=noearly or disallowing conf1 [PATCH] x86: Move direct PCI scanning functions out of line [PATCH] i386/x86-64: Make all early PCI scans dependent on CONFIG_PCI [PATCH] Don't leak NT bit into next task [PATCH] i386/x86-64: Work around gcc bug with noreturn functions in unwinder [PATCH] Fix some broken white space in ia32_signal.c [PATCH] Initialize argument registers for 32bit signal handlers. [PATCH] Remove all traces of signal number conversion [PATCH] Don't synchronize time reading on single core AMD systems [PATCH] Remove outdated comment in x86-64 mmconfig code [PATCH] Use string instructions for Core2 copy/clear [PATCH] x86: - restore i8259A eoi status on resume [PATCH] i386: Split multi-line printk in oops output. ...
| * [PATCH] Don't set calgary iommu as default yAndi Kleen2006-09-26
| | | | | | | | | | | | Most systems don't need it. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386/x86-64: New Intel feature flagsDave Jones2006-09-26
| | | | | | | | | | | | | | | | | | | | | | Add supplemental SSE3 instructions flag, and Direct Cache Access flag. As described in "Intel Processor idenfication and the CPUID instruction AP485 Sept 2006" AK: also added for x86-64 Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] x86: Add a cumulative thermal throttle event counter.Dmitriy Zavin2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | The counter is exported to /sys that keeps track of the number of thermal events, such that the user knows how bad the thermal problem might be (since the logging to syslog and mcelog is rate limited). AK: Fixed cpu hotplug locking Signed-off-by: Dmitriy Zavin <dmitriyz@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: Make the jiffies compares use the 64bit safe macros.Dmitriy Zavin2006-09-26
| | | | | | | | | | Signed-off-by: Dmitriy Zavin <dmitriyz@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] x86: Refactor thermal throttle processingDmitriy Zavin2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Refactor the event processing (syslog messaging and rate limiting) into separate file therm_throt.c. This allows consistent reporting of CPU thermal throttle events. After ACK'ing the interrupt, if the event is current, the user (p4.c/mce_intel.c) calls therm_throt_process to log (and rate limit) the event. If that function returns 1, the user has the option to log things further (such as to mce_log in x86_64). AK: minor cleanup Signed-off-by: Dmitriy Zavin <dmitriyz@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Add 64bit jiffies compares (for use with get_jiffies_64)Dmitriy Zavin2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The current time_before/time_after macros will fail typechecks when passed u64 values (as returned by get_jiffies_64()). On 64bit systems, this will just result in a warning about mismatching types without explicit casts, but since unsigned long and u64 (unsigned long long) are of same size, it will still work. On 32bit systems, a long is 32bits, so the value from get_jiffies_64() will be truncated by the cast and thus lose all the precision gained by 64bit jiffies. Signed-off-by: Dmitriy Zavin <dmitriyz@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix unwinder warning in traps.cAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | Fix linux/arch/x86_64/kernel/traps.c: In function 'dump_trace': linux/arch/x86_64/kernel/traps.c:275: warning: cast to pointer from integer of different size with allnoconfig Cc: jbeulich@novell.com Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] x86: Allow disabling early pci scans with pci=noearly or disallowing ↵Andi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | conf1 Some buggy systems can machine check when config space accesses happen for some non existent devices. i386/x86-64 do some early device scans that might trigger this. Allow pci=noearly to disable this. Also when type 1 is disabling also don't do any early accesses which are always type1. This moves the pci= configuration parsing to be a early parameter. I don't think this can break anything because it only changes a single global that is only used by PCI. Cc: gregkh@suse.de Cc: Trammell Hudson <hudson@osresearch.net> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] x86: Move direct PCI scanning functions out of lineAndi Kleen2006-09-26
| | | | | | | | | | | | Saves about 200 bytes of code space. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386/x86-64: Make all early PCI scans dependent on CONFIG_PCIAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | This is useful on systems with broken PCI bus. Affects various scans in x86-64 and i386's early ACPI quirk scan. Cc: gregkh@suse.de Cc: len.brown@intel.com Cc: Trammell Hudson <hudson@osresearch.net> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Don't leak NT bit into next taskAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | SYSENTER can cause a NT to be set which might cause crashes on the IRET in the next task. Following similar i386 patch from Linus. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386/x86-64: Work around gcc bug with noreturn functions in unwinderJan Beulich2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current gcc generates calls not jumps to noreturn functions. When that happens the return address can point to the next function, which confuses the unwinder. This patch works around it by marking asynchronous exception frames in contrast normal call frames in the unwind information. Then teach the unwinder to decode this. For normal call frames the unwinder now subtracts one from the address which avoids this problem. The standard libgcc unwinder uses the same trick. It doesn't include adjustment of the printed address (i.e. for the original example, it'd still be kernel_math_error+0 that gets displayed, but the unwinder wouldn't get confused anymore. This only works with binutils 2.6.17+ and some versions of H.J.Lu's 2.6.16 unfortunately because earlier binutils don't support .cfi_signal_frame [AK: added automatic detection of the new binutils and wrote description] Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix some broken white space in ia32_signal.cAndi Kleen2006-09-26
| | | | | | | | | | No functional changes Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Initialize argument registers for 32bit signal handlers.Andi Kleen2006-09-26
| | | | | | | | | | | | | | In case the user space was compiled with -mregparm=3 Following i386. Pointed out by Albert Cahalan Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Remove all traces of signal number conversionAndi Kleen2006-09-26
| | | | | | | | | | | | | | This was old code that was needed for iBCS and x86-64 never supported that. Pointed out by Albert Cahalan Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Don't synchronize time reading on single core AMD systemsAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | We do some additional CPU synchronization in gettimeofday et.al. to make sure the time stamps are always monotonic over multiple CPUs. But on single core systems that is not needed. So don't do it. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Remove outdated comment in x86-64 mmconfig codeAndi Kleen2006-09-26
| | | | | | | | | | Cc: gregkh@suse.de Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Use string instructions for Core2 copy/clearAndi Kleen2006-09-26
| | | | | | | | | | | | | | It is faster than using a unrolled loop for the use cases the kernel cares about (cached, sizes typically < 4K) Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] x86: - restore i8259A eoi status on resumeMatthew Garrett2006-09-26
| | | | | | | | | | | | | | | | | | Got it. i8259A_resume calls init_8259A(0) unconditionally, even if auto_eoi has been set. Keep track of the current status and restore that on resume. This fixes it for AMD64 and i386. Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: Split multi-line printk in oops output.Dave Jones2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes, bug reports come in where we've had an oops, and the only record we have is what the reporter saw on screen shortly before the system locked up completely. Unfortunatly, syslog only prints lines beginning with KERN_EMERG to the console, so some lines get lost. An example of this can be seen at https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=203723 Some of this information isn't vital to diagnosis, but some parts are useful, such as the tainted flag. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: Fix pack_descriptor()Jeremy Fitzhardinge2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix pack_descriptor: 1. flags are bits 20-23 in the high word 2. limit's 4 msb are bits 16-19 in the high word These haven't mattered so far, because all users have had small limits and a flags setting of 0. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> ===================================================================
| * [PATCH] i386: Add MMCFG resources to i386 tooAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | Following earlier x86-64 patch Cc: gregkh@suse.de Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] MMCONFIG and new Intel motherboardsAaron Durbin2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Sat, Sep 09, 2006 at 04:14:29PM +0200, Andi Kleen wrote: > [patch] Looks reasonable, but probably not for 2.6.18 because this stuff > is already too fragile and it is probably too risky to do any big changes now > since not enough testing time is left. Can you please resubmit > it with proper description and signed-off-by line? I can queue it for .19 then > > -Andi Patch inserts PCI memory mapped config region(s) into the resource map. This will allow for the MMCCONFIG regions to be marked as busy in the iomem address space as well as the regions(s) showing up in /proc/iomem. Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Insert GART region into resource mapAaron Durbin2006-09-26
| | | | | | | | | | | | | | | | | | Patch inserts the GART region into the iomem resource map. The GART will then be visible within /proc/iomem. It will also allow for other users utilizing the GART to subreserve the region (agp or IOMMU). Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386/x86-64: Only do MCFG e820 check when type 1 worksAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | Needs earlier patch to split type 1 probing from use. This patch should fix the x86 macs where type 1 PCI config space access doesn't work, but MCFG does. They also don't have a usable e820 table so the e820 sanity check failed. Instead assume now that if type 1 doesn't work then MCFG must work and don't do the e820 check. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386/x86-64: PCI: split probing and initialization of type 1 config ↵Andi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | space access First probe if type1/2 accesses work, but then only initialize them at the end. This is useful for a later patch that needs this information inbetween. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix idle notifiersAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously exit_idle would be called more often than enter_idle Now instead of using complicated tests just keep track of it using the per CPU variable as a flip flop. I moved the idle state into the PDA to make the access more efficient. Original bug report and an initial patch from Stephane Eranian, but redone by AK. Cc: Stephane Eranian <eranian@hpl.hp.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Remove experimental mark of kexecEric W. Biederman2006-09-26
| | | | | | | | | | | | | | | | | | kexec has been marked experimental for a year now and all of the serious problems have been worked through. So it is time (if not past time) to remove the experimental mark. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: Remove experimental mark of kexecEric W. Biederman2006-09-26
| | | | | | | | | | | | | | | | | | kexec has been marked experimental for a year now and all of the serious problems have been worked through. So it is time (if not past time) to remove the experimental mark. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Mark per cpu data initialization __initdata againAndi Kleen2006-09-26
| | | | | | | | | | | | | | Before 2.6.16 this was changed to work around code that accessed CPUs not in the possible map. But that code should be all fixed now, so mark it __initdata again. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Remove unused asm-x86_64/mmx.hAndi Kleen2006-09-26
| | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Define __bad_pda_field as noreturnAndi Kleen2006-09-26
| | | | | | | | | | | | This quietens so warnings about uninitialized use of the return value of the pda read operations. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Reindent macros in pda.hAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | Reindent the macros in x86-64 pda.h, making them much more readable. Follows Jeremy's i386 version of this. No functional changes Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix some stylistic issues in uaccess.hAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | - Replace some broken white space. - Replace __ keywords with standard names No functional changes. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Check return values of __copy_to_user in uname emulationAndi Kleen2006-09-26
| | | | | | | | | | Quietens some new warnings Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Check return value of copy_to_user in compat_sys_pselect7Andi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix linux/fs/compat.c: In function compat_sys_pselect7 linux/fs/compat.c:1869: warning: ignoring return value of copy_to_user, declared with attribute warn_unused_result To make it easier to handle I changed to semantics to not try to write out a timespec if an error occurred. I hope that's ok. Cc: dwmw2@infradead.org Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Add __must_check to copy_*_userAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | Following i386. And also fix the two occurrences that caused warnings in arch/x86_64/* Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix zeroing on exception in copy_*_userAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | - Don't zero for __copy_from_user_inatomic following i386. This will prevent spurious zeros for parallel file system writers when one does a exception - The string instruction version didn't zero the output on exception. Oops. Also I cleaned up the code a bit while I was at it and added a minor optimization to the string instruction path. Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: add HPET(s) into resource mapadurbin@google.com2006-09-26
| | | | | | | | | | | | | | | | Add HPET(s) into resource map. This will allow for the HPET(s) to be visibile within /proc/iomem. Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] insert IOAPIC(s) and Local APIC into resource mapadurbin@google.com2006-09-26
| | | | | | | | | | | | | | | | | | This patch places the IOAPIC(s) and the Local APIC specified by ACPI tables into the resource map. The APICs will then be visible within /proc/iomem Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: Do better early exception handlersChuck Ebbert2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add early i386 fault handlers with debug information for common faults. Handles: divide error invalid opcode protection fault page fault Also adds code to detect early recursive/multiple faults and halt the system when they happen (taken from x86_64.) Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@muc.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org>
| * [PATCH] i386: Allow a kernel not to be in ring 0Rusty Russell2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We allow for the fact that the guest kernel may not run in ring 0. This requires some abstraction in a few places when setting %cs or checking privilege level (user vs kernel). This is Chris' [RFC PATCH 15/33] move segment checks to subarch, except rather than using #define USER_MODE_MASK which depends on a config option, we use Zach's more flexible approach of assuming ring 3 == userspace. I also used "get_kernel_rpl()" over "get_kernel_cs()" because I think it reads better in the code... 1) Remove the hardcoded 3 and introduce #define SEGMENT_RPL_MASK 3 2) Add a get_kernel_rpl() macro, and don't assume it's zero. And: Clean up of patch for letting kernel run other than ring 0: a. Add some comments about the SEGMENT_IS_*_CODE() macros. b. Add a USER_RPL macro. (Code was comparing a value to a mask in some places and to the magic number 3 in other places.) c. Add macros for table indicator field and use them. d. Change the entry.S tests for LDT stack segment to use the macros Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] i386: Abstract sensitive instructionsRusty Russell2006-09-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Abstract sensitive instructions in assembler code, replacing them with macros (which currently are #defined to the native versions). We use long names: assembler is case-insensitive, so if something goes wrong and macros do not expand, it would assemble anyway. Resulting object files are exactly the same as before. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix a PDA warning uncovered by the new type checkingAndi Kleen2006-09-26
| | | | | | | | | | | | | | | | Fix linux/arch/x86_64/kernel/process.c: In function __switch_to: linux/arch/x86_64/kernel/process.c:626: warning: assignment makes integer from pointer without a cast Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Type checking for write_pda()Jeremy Fitzhardinge2006-09-26
| | | | | | | | | | | | | | | | | | I just added type checking for assignments the PDA in the i386 PDA code. Here's the x86-64 equivalent. (Obviously this doesn't contain the latest x86-64 PDA change.) Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Use %c instead of %P modifier in pda accessAndi Kleen2006-09-26
| | | | | | | | | | | | | | Apparently that is the more official way to get numbers without $ in inline assembly Signed-off-by: Andi Kleen <ak@suse.de>
| * [PATCH] Fix a irqcount comment in entry.SAndi Kleen2006-09-26
| | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de>
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