- 11 3月, 2010 1 次提交
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由 Dimitri Sivanich 提交于
We've noticed that on large SGI UV system configurations, running microcode.ctl can take very long periods of time. This is due to the large number of vmalloc/vfree calls made by the Intel generic_load_microcode() logic. By reusing allocated space, the following patch reduces the time to run microcode.ctl on a 1024 cpu system from approximately 80 seconds down to 1 or 2 seconds. Signed-off-by: NDimitri Sivanich <sivanich@sgi.com> Acked-by: NDmitry Adamushko <dmitry.adamushko@gmail.com> Cc: Avi Kivity <avi@redhat.com> Cc: Bill Davidsen <davidsen@tmr.com> LKML-Reference: <20100305174203.GA19638@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 08 2月, 2010 1 次提交
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由 Frans Pop 提交于
Signed-off-by: NFrans Pop <elendil@planet.nl> Cc: Avi Kivity <avi@redhat.com> Cc: x86@kernel.org LKML-Reference: <1265478443-31072-10-git-send-email-elendil@planet.nl> [ Left out the KVM bits. ] Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 09 12月, 2009 1 次提交
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由 Joe Perches 提交于
- Use #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - Remove "microcode: " prefix from each pr_<level> - Fix duplicated KERN_ERR prefix - Coalesce pr_<level> format strings - Add a space after an exclamation point No other change in output. Signed-off-by: NJoe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Andreas Herrmann <herrmann.der.user@googlemail.com> LKML-Reference: <1260340250.27677.191.camel@Joe-Laptop.home> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 12 5月, 2009 1 次提交
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由 Dmitry Adamushko 提交于
x86: microcode: use smp_call_function_single instead of set_cpus_allowed, cleanup of synchronization logic * Solve issues described in 6f66cbc6 in a way that doesn't resort to set_cpus_allowed(); * in fact, only collect_cpu_info and apply_microcode callbacks must run on a target cpu, others will do just fine on any other. smp_call_function_single() (as suggested by Ingo) is used to run these callbacks on a target cpu. * cleanup of synchronization logic of the 'microcode_core' part The generic 'microcode_core' part guarantees that only a single cpu (be it a full-fledged cpu, one of the cores or HT) is being updated at any particular moment of time. In general, there is no need for any additional sync. mechanism in arch-specific parts (the patch removes existing spinlocks). See also the "Synchronization" section in microcode_core.c. * return -EINVAL instead of -1 (which is translated into -EPERM) in microcode_write(), reload_cpu() and mc_sysdev_add(). Other suggestions for an error code? * use 'enum ucode_state' as return value of request_microcode_{fw, user} to gain more flexibility by distinguishing between real error cases and situations when an appropriate ucode was not found (which is not an error per-se). * some minor cleanups Thanks a lot to Hugh Dickins for review/suggestions/testing! Reference: http://marc.info/?l=linux-kernel&m=124025889012541&w=2 [ Impact: refactor and clean up microcode driver locking code ] Signed-off-by: NDmitry Adamushko <dmitry.adamushko@gmail.com> Acked-by: NHugh Dickins <hugh@veritas.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Peter Oruba <peter.oruba@amd.com> Cc: Arjan van de Ven <arjan@infradead.org> LKML-Reference: <1242078507.5560.9.camel@earth> [ did some more cleanups ] Signed-off-by: NIngo Molnar <mingo@elte.hu> arch/x86/include/asm/microcode.h | 25 ++ arch/x86/kernel/microcode_amd.c | 58 ++---- arch/x86/kernel/microcode_core.c | 326 +++++++++++++++++++++----------------- arch/x86/kernel/microcode_intel.c | 92 +++------- 4 files changed, 261 insertions(+), 240 deletions(-) (~20 new comment lines)
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- 18 3月, 2009 1 次提交
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由 Ingo Molnar 提交于
Impact: cleanup Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com> Cc: Peter Oruba <peter.oruba@amd.com> LKML-Reference: <200903111632.37279.rusty@rustcorp.com.au> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 12 1月, 2009 1 次提交
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由 Jaswinder Singh Rajput 提交于
Impact: cleanup Fix: WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h> ERROR: trailing whitespace ERROR: "(foo*)" should be "(foo *)" total: 3 errors, 1 warnings Signed-off-by: NJaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 20 12月, 2008 1 次提交
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由 Dmitry Adamushko 提交于
Impact: fix deadlock This is in response to the following bug report: Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12100 Subject : resume (S2R) broken by Intel microcode module, on A110L Submitter : Andreas Mohr <andi@lisas.de> Date : 2008-11-25 08:48 (19 days old) Handled-By : Dmitry Adamushko <dmitry.adamushko@gmail.com> [ The deadlock scenario has been discovered by Andreas Mohr ] I think I might have a logical explanation why the system: (http://bugzilla.kernel.org/show_bug.cgi?id=12100) might hang upon resuming, OTOH it should have likely hanged each and every time. (1) possible deadlock in microcode_resume_cpu() if either 'if' section is taken; (2) now, I don't see it in spec. and can't experimentally verify it (newer ucodes don't seem to be available for my Core2duo)... but logically-wise, I'd think that when read upon resuming, the 'microcode revision' (MSR 0x8B) should be back to its original one (we need to reload ucode anyway so it doesn't seem logical if a cpu doesn't drop the version)... if so, the comparison with memcmp() for the full 'struct cpu_signature' is wrong... and that's how one of the aforementioned 'if' sections might have been triggered - leading to a deadlock. Obviously, in my tests I simulated loading/resuming with the ucode of the same version (just to see that the file is loaded/re-loaded upon resuming) so this issue has never popped up. I'd appreciate if someone with an appropriate system might give a try to the 2nd patch (titled "fix a comparison && deadlock..."). In any case, the deadlock situation is a must-have fix. Reported-by: NAndreas Mohr <andi@lisas.de> Signed-off-by: NDmitry Adamushko <dmitry.adamushko@gmail.com> Tested-by: NAndreas Mohr <andi@lisas.de> Signed-off-by: NIngo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 26 11月, 2008 1 次提交
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由 Hannes Eder 提交于
Impact: make global variables and a function static Fix following sparse warnings: arch/x86/kernel/microcode_core.c:102:22: warning: symbol 'microcode_ops' was not declared. Should it be static? arch/x86/kernel/microcode_core.c:206:24: warning: symbol 'microcode_pdev' was not declared. Should it be static? arch/x86/kernel/microcode_core.c:322:6: warning: symbol 'microcode_update_cpu' was not declared. Should it be static? arch/x86/kernel/microcode_intel.c:468:22: warning: symbol 'microcode_intel_ops' was not declared. Should it be static? Signed-off-by: NHannes Eder <hannes@hanneseder.net> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 23 9月, 2008 1 次提交
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由 Dmitry Adamushko 提交于
Combine both generic and arch-specific parts of microcode into a single module (arch-specific parts are config-dependent). Also while we are at it, move arch-specific parts from microcode.h into their respective arch-specific .c files. Signed-off-by: NDmitry Adamushko <dmitry.adamushko@gmail.com> Cc: "Peter Oruba" <peter.oruba@amd.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 14 9月, 2008 1 次提交
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由 Ingo Molnar 提交于
based on patch from Dmitry Adamushko. - add missing vfree() - update debug printks Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 12 9月, 2008 1 次提交
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由 Dmitry Adamushko 提交于
this is a rework of the microcode splitup in tip/x86/microcode (1) I think this new interface is cleaner (look at the changes in 'struct microcode_ops' in microcode.h); (2) it's -64 lines of code; Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 20 8月, 2008 2 次提交
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由 Dmitry Adamushko 提交于
This is the 1st patch in the series. Here the aim was to avoid any significant changes, logically-wise. So it's mainly about generic interface refactoring: e.g. make microcode_{intel,amd}.c more about arch-specific details and less about policies like make-sure-we-run-on-a-target-cpu (no more set_cpus_allowed_ptr() here) and generic synchronization (no more microcode_mutex here). All in all, more line have been deleted than added. 4 files changed, 145 insertions(+), 198 deletions(-) Signed-off-by: NDmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Dmitry Adamushko 提交于
Don't use get_cpu() at all. Resort to checking a boot-up CPU (#0) in microcode_{intel,amd}_module_init(). Signed-off-by: NDmitry Adamushko <dmitry.adamushko@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 14 8月, 2008 1 次提交
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由 David Woodhouse 提交于
The microcode stores its date in a uint32_t in some weird order approximating pdp-endian. Rather than printing it like that, print it properly in ISO standard form. Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com> Cc: Shaohua Li <shaohua.li@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 01 8月, 2008 1 次提交
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由 Peter Oruba 提交于
Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 29 7月, 2008 7 次提交
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由 Peter Oruba 提交于
Refactored code by introducing a two-module solution. There is one general module in which vendor specific modules can hook into. However, that is exclusive, there is only one vendor specific module allowed at a time. A CPU vendor check makes sure only the correct module for the underlying system gets called. Functinally in terms of patch loading itself there are no changes. This refactoring provides a basis for future implementations of other vendors' patch loaders. Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Oruba 提交于
Renamed common structures to vendor specific naming scheme so other vendors will be able to use the same naming convention. Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Oruba 提交于
Split off existing code into two seperate files. One file holds general code, the other file vendor specific parts. No functional changes, only refactoring. Temporarily Introduced a new module name 'ucode' for result, due to already taken name 'microcode'. Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Oruba 提交于
Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Oruba 提交于
This structure will be later used by other modules as well and needs therfore to be moved out to a header file. Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Oruba 提交于
Removed typedefs. No functional changes to the code. Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Peter Oruba 提交于
Intel specific microcode declarations have been moved to a seperate header file. There are no code changes to the code itself and no side effects to other parts. Signed-off-by: NPeter Oruba <peter.oruba@amd.com> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 26 7月, 2008 1 次提交
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由 Mike Travis 提交于
* Replace previous instances of the cpumask_of_cpu_ptr* macros with a the new (lvalue capable) generic cpumask_of_cpu(). Signed-off-by: NMike Travis <travis@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jack Steiner <steiner@sgi.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 22 7月, 2008 1 次提交
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由 Andi Kleen 提交于
This allow to dynamically generate attributes and share show/store functions between attributes. Right now most attributes are generated by special macros and lots of duplicated code. With the attribute passed it's instead possible to attach some data to the attribute and then use that in shared low level functions to do different things. I need this for the dynamically generated bank attributes in the x86 machine check code, but it'll allow some further cleanups. I converted all users in tree to the new show/store prototype. It's a single huge patch to avoid unbisectable sections. Runtime tested: x86-32, x86-64 Compiled only: ia64, powerpc Not compile tested/only grep converted: sh, arm, avr32 Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 19 7月, 2008 1 次提交
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由 Mike Travis 提交于
* This patch replaces the dangerous lvalue version of cpumask_of_cpu with new cpumask_of_cpu_ptr macros. These are patterned after the node_to_cpumask_ptr macros. In general terms, if there is a cpumask_of_cpu_map[] then a pointer to the cpumask_of_cpu_map[cpu] entry is used. The cpumask_of_cpu_map is provided when there is a large NR_CPUS count, reducing greatly the amount of code generated and stack space used for cpumask_of_cpu(). The pointer to the cpumask_t value is needed for calling set_cpus_allowed_ptr() to reduce the amount of stack space needed to pass the cpumask_t value. If there isn't a cpumask_of_cpu_map[], then a temporary variable is declared and filled in with value from cpumask_of_cpu(cpu) as well as a pointer variable pointing to this temporary variable. Afterwards, the pointer is used to reference the cpumask value. The compiler will optimize out the extra dereference through the pointer as well as the stack space used for the pointer, resulting in identical code. A good example of the orthogonal usages is in net/sunrpc/svc.c: case SVC_POOL_PERCPU: { unsigned int cpu = m->pool_to[pidx]; cpumask_of_cpu_ptr(cpumask, cpu); *oldmask = current->cpus_allowed; set_cpus_allowed_ptr(current, cpumask); return 1; } case SVC_POOL_PERNODE: { unsigned int node = m->pool_to[pidx]; node_to_cpumask_ptr(nodecpumask, node); *oldmask = current->cpus_allowed; set_cpus_allowed_ptr(current, nodecpumask); return 1; } Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 10 7月, 2008 1 次提交
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由 Greg Kroah-Hartman 提交于
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>
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- 03 7月, 2008 1 次提交
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由 Ben Castricum 提交于
First announce ourself, then start working. Currently this module reports itself when all is completed which is not most modules do. Plus some cosmetic/whitespace cleanups. Signed-off-by: NBen Castricum <lk0806@bencastricum.nl> Cc: trivial@kernel.org Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 21 6月, 2008 1 次提交
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由 Arnd Bergmann 提交于
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
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- 20 4月, 2008 1 次提交
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由 Mike Travis 提交于
* Use new set_cpus_allowed_ptr() function added by previous patch, which instead of passing the "newly allowed cpus" cpumask_t arg by value, pass it by pointer: -int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask) +int set_cpus_allowed_ptr(struct task_struct *p, const cpumask_t *new_mask) * Cleanup uses of CPU_MASK_ALL. * Collapse other NR_CPUS changes to arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c Use pointers to cpumask_t arguments whenever possible. Depends on: [sched-devel]: sched: add new set_cpus_allowed_ptr function Cc: Len Brown <len.brown@intel.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: NMike Travis <travis@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 17 4月, 2008 1 次提交
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由 Ben Castricum 提交于
Report when microcode was successfully updated. It used to be there but now with DEBUG unset it becomes very silent. Also some cosmetic fixes. Signed-off-by: NBen Castricum <lk08@bencastricum.nl> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 02 2月, 2008 1 次提交
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由 Sam Ravnborg 提交于
Fix the following warnings: WARNING: arch/x86/kernel/built-in.o(.exit.text+0xf8): Section mismatch in reference from the function msr_exit() to the variable .cpuinit.data:msr_class_cpu_notifier WARNING: arch/x86/kernel/built-in.o(.exit.text+0x158): Section mismatch in reference from the function cpuid_exit() to the variable .cpuinit.data:cpuid_class_cpu_notifier WARNING: arch/x86/kernel/built-in.o(.exit.text+0x171): Section mismatch in reference from the function microcode_exit() to the variable .cpuinit.data:mc_cpu_notifier In all three cases there were a function annotated __exit that referenced a variable annotated __cpuinitdata. The fix was to replace the annotation of the notifier with __refdata to tell modpost that the reference to a _cpuinit function in the notifier are OK. The unregister call that references the notifier variable will simple delete the function pointer so there is no problem ignoring the reference. Note: This looks like another case where __cpuinit has been used as replacement for proper use of CONFIG_HOTPLUG_CPU to decide what code are used for HOTPLUG_CPU. Signed-off-by: NSam Ravnborg <sam@ravnborg.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 30 1月, 2008 1 次提交
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由 Jan Engelhardt 提交于
x86: remove unneeded casts Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 26 1月, 2008 1 次提交
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由 Gautham R Shenoy 提交于
Replace all lock_cpu_hotplug/unlock_cpu_hotplug from the kernel and use get_online_cpus and put_online_cpus instead as it highlights the refcount semantics in these operations. The new API guarantees protection against the cpu-hotplug operation, but it doesn't guarantee serialized access to any of the local data structures. Hence the changes needs to be reviewed. In case of pseries_add_processor/pseries_remove_processor, use cpu_maps_update_begin()/cpu_maps_update_done() as we're modifying the cpu_present_map there. Signed-off-by: NGautham R Shenoy <ego@in.ibm.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 20 10月, 2007 1 次提交
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由 Mike Travis 提交于
cpu_data is currently an array defined using NR_CPUS. This means that we overallocate since we will rarely really use maximum configured cpus. When NR_CPU count is raised to 4096 the size of cpu_data becomes 3,145,728 bytes. These changes were adopted from the sparc64 (and ia64) code. An additional field was added to cpuinfo_x86 to be a non-ambiguous cpu index. This corresponds to the index into a cpumask_t as well as the per_cpu index. It's used in various places like show_cpuinfo(). cpu_data is defined to be the boot_cpu_data structure for the NON-SMP case. Signed-off-by: NMike Travis <travis@sgi.com> Acked-by: NChristoph Lameter <clameter@sgi.com> Cc: Andi Kleen <ak@suse.de> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 11 10月, 2007 1 次提交
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由 Thomas Gleixner 提交于
Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 30 7月, 2007 1 次提交
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由 Alexey Dobriyan 提交于
Remove fs.h from mm.h. For this, 1) Uninline vma_wants_writenotify(). It's pretty huge anyway. 2) Add back fs.h or less bloated headers (err.h) to files that need it. As result, on x86_64 allyesconfig, fs.h dependencies cut down from 3929 files rebuilt down to 3444 (-12.3%). Cross-compile tested without regressions on my two usual configs and (sigh): alpha arm-mx1ads mips-bigsur powerpc-ebony alpha-allnoconfig arm-neponset mips-capcella powerpc-g5 alpha-defconfig arm-netwinder mips-cobalt powerpc-holly alpha-up arm-netx mips-db1000 powerpc-iseries arm arm-ns9xxx mips-db1100 powerpc-linkstation arm-assabet arm-omap_h2_1610 mips-db1200 powerpc-lite5200 arm-at91rm9200dk arm-onearm mips-db1500 powerpc-maple arm-at91rm9200ek arm-picotux200 mips-db1550 powerpc-mpc7448_hpc2 arm-at91sam9260ek arm-pleb mips-ddb5477 powerpc-mpc8272_ads arm-at91sam9261ek arm-pnx4008 mips-decstation powerpc-mpc8313_rdb arm-at91sam9263ek arm-pxa255-idp mips-e55 powerpc-mpc832x_mds arm-at91sam9rlek arm-realview mips-emma2rh powerpc-mpc832x_rdb arm-ateb9200 arm-realview-smp mips-excite powerpc-mpc834x_itx arm-badge4 arm-rpc mips-fulong powerpc-mpc834x_itxgp arm-carmeva arm-s3c2410 mips-ip22 powerpc-mpc834x_mds arm-cerfcube arm-shannon mips-ip27 powerpc-mpc836x_mds arm-clps7500 arm-shark mips-ip32 powerpc-mpc8540_ads arm-collie arm-simpad mips-jazz powerpc-mpc8544_ds arm-corgi arm-spitz mips-jmr3927 powerpc-mpc8560_ads arm-csb337 arm-trizeps4 mips-malta powerpc-mpc8568mds arm-csb637 arm-versatile mips-mipssim powerpc-mpc85xx_cds arm-ebsa110 i386 mips-mpc30x powerpc-mpc8641_hpcn arm-edb7211 i386-allnoconfig mips-msp71xx powerpc-mpc866_ads arm-em_x270 i386-defconfig mips-ocelot powerpc-mpc885_ads arm-ep93xx i386-up mips-pb1100 powerpc-pasemi arm-footbridge ia64 mips-pb1500 powerpc-pmac32 arm-fortunet ia64-allnoconfig mips-pb1550 powerpc-ppc64 arm-h3600 ia64-bigsur mips-pnx8550-jbs powerpc-prpmc2800 arm-h7201 ia64-defconfig mips-pnx8550-stb810 powerpc-ps3 arm-h7202 ia64-gensparse mips-qemu powerpc-pseries arm-hackkit ia64-sim mips-rbhma4200 powerpc-up arm-integrator ia64-sn2 mips-rbhma4500 s390 arm-iop13xx ia64-tiger mips-rm200 s390-allnoconfig arm-iop32x ia64-up mips-sb1250-swarm s390-defconfig arm-iop33x ia64-zx1 mips-sead s390-up arm-ixp2000 m68k mips-tb0219 sparc arm-ixp23xx m68k-amiga mips-tb0226 sparc-allnoconfig arm-ixp4xx m68k-apollo mips-tb0287 sparc-defconfig arm-jornada720 m68k-atari mips-workpad sparc-up arm-kafa m68k-bvme6000 mips-wrppmc sparc64 arm-kb9202 m68k-hp300 mips-yosemite sparc64-allnoconfig arm-ks8695 m68k-mac parisc sparc64-defconfig arm-lart m68k-mvme147 parisc-allnoconfig sparc64-up arm-lpd270 m68k-mvme16x parisc-defconfig um-x86_64 arm-lpd7a400 m68k-q40 parisc-up x86_64 arm-lpd7a404 m68k-sun3 powerpc x86_64-allnoconfig arm-lubbock m68k-sun3x powerpc-cell x86_64-defconfig arm-lusl7200 mips powerpc-celleb x86_64-up arm-mainstone mips-atlas powerpc-chrp32 Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 6月, 2007 1 次提交
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由 Sam Ravnborg 提交于
Fix the following section mismatch warnings in microcode.c: WARNING: arch/i386/kernel/built-in.o(.init.text+0x3966): Section mismatch: reference to .exit.text: (between 'microcode_init' and 'parse_maxcpus') WARNING: arch/i386/kernel/built-in.o(.init.text+0x3992): Section mismatch: reference to .exit.text: (between 'microcode_init' and 'parse_maxcpus') The warning are caused by a function marked __init that calls a function marked __exit. Functions marked __exit may be discarded either during link or run-time and thus the reference is not good. Signed-off-by: NSam Ravnborg <sam@ravnborg.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 10 5月, 2007 2 次提交
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由 Rafael J. Wysocki 提交于
Make the microcode driver use the suspend-related CPU hotplug notifications to handle the CPU hotplug events occuring during system-wide suspend and resume transitions. Remove the global variable suspend_cpu_hotplug previously used for this purpose. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Since nonboot CPUs are now disabled after tasks and devices have been frozen and the CPU hotplug infrastructure is used for this purpose, we need special CPU hotplug notifications that will help the CPU-hotplug-aware subsystems distinguish normal CPU hotplug events from CPU hotplug events related to a system-wide suspend or resume operation in progress. This patch introduces such notifications and causes them to be used during suspend and resume transitions. It also changes all of the CPU-hotplug-aware subsystems to take these notifications into consideration (for now they are handled in the same way as the corresponding "normal" ones). [oleg@tv-sign.ru: cleanups] Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 03 4月, 2007 1 次提交
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由 Rafael J. Wysocki 提交于
Fix the regression resulting from the recent change of suspend code ordering that causes systems based on Intel x86 CPUs using the microcode driver to hang during the resume. The problem occurs since the microcode driver uses request_firmware() in its CPU hotplug notifier, which is called after tasks has been frozen and hangs. It can be fixed by telling the microcode driver to use the microcode stored in memory during the resume instead of trying to load it from disk. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Adrian Bunk <bunk@stusta.de> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Cc: Pavel Machek <pavel@ucw.cz> Cc: Maxim <maximlevitsky@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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