- 22 Jul, 2007 40 commits
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Andi Kleen authored
Fix WARNING: vmlinux.o(.data+0x99): Section mismatch: reference to .init.text:xen_start_kernel (between 'startup_xen' and 'boot_gdt_descr') Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Andi Kleen authored
Signed-off-by:
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Al Viro authored
Obviously broken on little-endian; fortunately, the option is not frequently used... Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> [ Hey, sparse is wonderful, but even better than sparse is having people like Al that actually _run_ it and fix bugs using it. - Linus ] Signed-off-by:
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Avi Kivity authored
Found by Sebastian Siewior and randconfig. Signed-off-by:
Avi Kivity <avi@qumranet.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (77 commits) ACPI: Populate /sys/firmware/acpi/tables/ ACPI: create CONFIG_ACPI_DEBUG_FUNC_TRACE ACPI: update ACPI proc I/F removal schedule ACPI: update feature-removal-schedule.txt, /sys/firmware/acpi/namespace is gone ACPI: export ACPI events via acpi_mc_group multicast group ACPI: fix empty macros found by -Wextra ACPI: drivers/acpi/pci_link.c: lower printk severity sony-laptop: Fix event reading in sony-laptop sony-laptop: Add Vaio FE to the special init sequence sony-laptop: Make the driver use MSC_SCAN and a setkeycode and getkeycode key table. sony-laptop: Invoke _INI for SNC devices that provide it sony-laptop: Add support for recent Vaios Fn keys (C series for now) sony-laptop: map wireless switch events to KEY_WLAN sony-laptop: add new SNC handlers ACPI: thinkpad-acpi: add locking to brightness subdriver ACPI: thinkpad-acpi: bump up version to 0.15 ACPI: thinkpad-acpi: make EC-based thermal readings non-experimental ACPI: thinkpad-acpi: make sure DSDT TMPx readings don't return +128 ACPI: thinkpad-acpi: react to Lenovo ThinkPad differences in hot key ACPI: thinkpad-acpi: allow use of CMOS NVRAM for brightness control ...
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Andi Kleen authored
They are identical Indirectly pointed out by Thomas Gleixner Signed-off-by:
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Andi Kleen authored
64bit code in there now since some time. Signed-off-by:
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Andi Kleen authored
Get rid of warnings like WARNING: vmlinux.o(.bootstrap.text+0x1a8): Section mismatch: reference to .init.text:x86_64_start_kernel (between 'initial_code' and 'init_rsp') - Move initialization code into .text.head like i386 because modpost knows about this already - Mark initial_code .initdata Signed-off-by:
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Sam Ravnborg authored
Fix following warning: WARNING: vmlinux.o(.text+0x188ea): Section mismatch: reference to .init.text:__alloc_bootmem_core (between 'alloc_bootmem_high_node' and 'get_gate_vma') alloc_bootmem_high_node() is only used from __init scope so declare it __init. And in addition declare the weak variant __init too. Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Sam Ravnborg authored
Fix following warnings: WARNING: vmlinux.o(.text+0x945e): Section mismatch: reference to .init.text:__set_fixmap (between 'hpet_arch_init' and 'hpet_mask_rtc_irq_bit') WARNING: vmlinux.o(.text+0x9474): Section mismatch: reference to .init.text:__set_fixmap (between 'hpet_arch_init' and 'hpet_mask_rtc_irq_bit') hpet_arch_init is only used from __init context so mark it __init. Signed-off-by:
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Björn Steinbrink authored
The performance counters on K7 are only 48 bits wide, so using bit 63 to check if the counter overflowed is wrong. Let's use bit 47 instead. Signed-off-by:
Björn Steinbrink <B.Steinbrink@gmx.de> Cc: Don Zickus <dzickus@redhat.com> Signed-off-by:
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Andi Kleen authored
Previously lock was unconditionally used, but shouldn't be needed on UP systems. Signed-off-by:
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Andi Kleen authored
I got an oops while booting a 32bit kernel on KVM because it doesn't implement performance counters used by the NMI watchdog. Handle this case. Cc: Avi Kivity <avi@qumranet.com> Signed-off-by:
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Juergen Beisert authored
Due to index register access ordering problems, when using macros a line like this fails (and does nothing): setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88); With inlined functions this line will work as expected. Note about a side effect: Seems on Geode GX1 based systems the "suspend on halt power saving feature" was never enabled due to this wrong macro expansion. With inlined functions it will be enabled, but this will stop the TSC when the CPU runs into a HLT instruction. Kernel output something like this: Clocksource tsc unstable (delta = -472746897 ns) This is the 3rd version of this patch. - Adding missed arch/i386/kernel/cpu/mtrr/state.c Thanks to Andres Salomon - Adding some big fat comments into the new header file Suggested by Andi Kleen AK: fixed x86-64 compilation Signed-off-by:
Juergen Beisert <juergen@kreuzholzen.de> Signed-off-by:
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Mathieu Desnoyers authored
local_cmpxchg() should not use any LOCK prefix. This change probably got lost in the move to cmpxchg.h. Signed-off-by:
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Acked-by:
Christoph Lameter <clameter@sgi.com> Signed-off-by:
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Keith Owens authored
kstat_irqs(0) includes the count of interrupt 0 from all cpus, not just the current cpu. The updated interrupt 0 on other cpus can stop the nmi_watchdog from tripping, so only include the current cpu's int 0. Signed-off-by:
Keith Owens <kaos@ocs.com.au> Signed-off-by:
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Andi Kleen authored
This mainly changes the nops for alternative, so not very revolutionary. Signed-off-by:
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Andi Kleen authored
Previously this flag was only used on 32bit, but some shared code can use it now. Signed-off-by:
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Andi Kleen authored
Fix WARNING: arch/i386/kernel/built-in.o(.text+0xdd0d): Section mismatch: reference to .init.data:cpu_llc_id (between 'set_cpu_sibling_map' and 'initialize_secondary') WARNING: arch/i386/kernel/built-in.o(.text+0xdd1b): Section mismatch: reference to .init.data:cpu_llc_id (between 'set_cpu_sibling_map' and 'initialize_secondary') Signed-off-by:
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Andi Kleen authored
When a machine check or NMI occurs while multiple byte code is patched the CPU could theoretically see an inconsistent instruction and crash. Prevent this by temporarily disabling MCEs and returning early in the NMI handler. Based on discussion with Mathieu Desnoyers. Cc: Mathieu Desnoyers <compudj@krystal.dyndns.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by:
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Andi Kleen authored
Reenable kprobes and alternative patching when the kernel text is write protected by DEBUG_RODATA Add a general utility function to change write protected text. The new function remaps the code using vmap to write it and takes care of CPU synchronization. It also does CLFLUSH to make icache recovery faster. There are some limitations on when the function can be used, see the comment. This is a newer version that also changes the paravirt_ops code. text_poke also supports multi byte patching now. Contains bug fixes from Zach Amsden and suggestions from Mathieu Desnoyers. Cc: Jan Beulich <jbeulich@novell.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Mathieu Desnoyers <compudj@krystal.dyndns.org> Cc: Zach Amsden <zach@vmware.com> Signed-off-by:
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Glauber de Oliveira Costa authored
This patch uses the read and write functions provided at system.h for control registers instead of writting raw assembly over and over again in .c files. Functions to manipulate cr2 and cr8 were provided, as they were lacking. Also, removed some extra space after closing brackets Signed-off-by:
Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by:
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Masoud Asgharifard Sharbiani authored
This patch makes the i386 behave the same way that x86_64 does when a segfault happens. A line gets printed to the kernel log so that tools that need to check for failures can behave more uniformly between debug.show_unhandled_signals sysctl variable to 0 (or by doing echo 0 > /proc/sys/debug/exception-trace) Also, all of the lines being printed are now using printk_ratelimit() to deny the ability of DoS from a local user with a program like the following: main() { while (1) if (!fork()) *(int *)0 = 0; } This new revision also includes the fix that Andrew did which got rid of new sysctl that was added to the system in earlier versions of this. Also, 'show-unhandled-signals' sysctl has been renamed back to the old 'exception-trace' to avoid breakage of people's scripts. AK: Enabling by default for i386 will be likely controversal, but let's see what happens AK: Really folks, before complaining just fix your segfaults AK: I bet this will find a lot of silent issues Signed-off-by:Masoud Sharbiani <masouds@google.com> Signed-off-by:
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Al Viro authored
Fix a mismerge in commit 8b6f50ef: "spufs: make signal-notification files readonly for NOSCHED contexts", where structs got duplicated. Signed-off-by:
Jeremy Kerr <jk@ozlabs.org> Signed-off-by:
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Len Brown authored
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Len Brown authored
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Zhang Rui authored
The file name is the signature, such as DSDT, and the contents are the binary table image. Some tables, such as the SSDT, can have multiple instances. If just one, the file is SSDT, but if 3 instances, for example, it will be SSDT1, SSDT2, SSDT3 All static tables (besides teh RSDP and RSDT themselves are exported. Dynamic tables, such as SSDT op-regions that are not declared in the RSDT, will be added in a subsequent patch. Signed-off-by:
Zhang Rui <rui.zhang@intel.com> Signed-off-by:
Len Brown <len.brown@intel.com>
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
Conflicts: Documentation/feature-removal-schedule.txt
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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