- 25 2月, 2009 2 次提交
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由 Andi Kleen 提交于
Impact: cleanup; preparation for feature The mce_amd_64 code has an own private MC threshold vector with an own interrupt handler. Since Intel needs a similar handler it makes sense to share the vector because both can not be active at the same time. I factored the common APIC handler code into a separate file which can be used by both the Intel or AMD MC code. This is needed for the next patch which adds an Intel specific CMCI handler. This patch should be a nop for AMD, it just moves some code around. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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由 Andi Kleen 提交于
Impact: Cleanup (code movement) Move MAX_NR_BANKS into mce.h because it's needed there for followup patches. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 20 2月, 2009 2 次提交
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由 Andi Kleen 提交于
Impact: cleanup, performance enhancement The machine check poller is diverging more and more from the fatal exception handler. Instead of adding more special cases separate the code paths completely. The corrected poll path is actually quite simple, and this doesn't result in much code duplication. This makes both handlers much easier to read and results in cleaner code flow. The exception handler now only needs to care about uncorrected errors, which also simplifies the handling of multiple errors. The corrected poller also now always runs in standard interrupt context and does not need to do anything special to handle NMI context. Minor behaviour changes: - MCG status is now not cleared on polling. - Only the banks which had corrected errors get cleared on polling - The exception handler only clears banks with errors now v2: Forward port to new patch order. Add "uc" argument. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>
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由 Andi Kleen 提交于
Impact: cleanup This merely factors out duplicated code to set up the initial struct mce state into a single function. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>
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- 18 2月, 2009 1 次提交
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由 Andi Kleen 提交于
Impact: low priority bug fix This removes part of a a patch I added myself some time ago. After some consideration the patch was a bad idea. In particular it stopped machine check exceptions during code patching. To quote the comment: * MCEs only happen when something got corrupted and in this * case we must do something about the corruption. * Ignoring it is worse than a unlikely patching race. * Also machine checks tend to be broadcast and if one CPU * goes into machine check the others follow quickly, so we don't * expect a machine check to cause undue problems during to code * patching. So undo the machine check related parts of 8f4e956b NMIs are still disabled. This only removes code, the only additions are a new comment. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Acked-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 31 1月, 2009 1 次提交
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由 Jaswinder Singh Rajput 提交于
fix the following 'make headers_check' warnings: usr/include/asm/mce.h:7: include of <linux/types.h> is preferred over <asm/types.h> usr/include/asm/mce.h:29: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: NJaswinder Singh Rajput <jaswinderrajput@gmail.com>
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- 23 10月, 2008 2 次提交
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由 H. Peter Anvin 提交于
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 23 8月, 2008 1 次提交
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由 Rafael J. Wysocki 提交于
During CPU hot-remove the sysfs directory created by threshold_create_bank(), defined in arch/x86/kernel/cpu/mcheck/mce_amd_64.c, has to be removed before its parent directory, created by mce_create_device(), defined in arch/x86/kernel/cpu/mcheck/mce_64.c . Moreover, when the CPU in question is hotplugged again, obviously the latter has to be created before the former. At present, the right ordering is not enforced, because all of these operations are carried out by CPU hotplug notifiers which are not appropriately ordered with respect to each other. This leads to serious problems on systems with two or more multicore AMD CPUs, among other things during suspend and hibernation. Fix the problem by placing threshold bank CPU hotplug callbacks in mce_cpu_callback(), so that they are invoked at the right places, if defined. Additionally, use kobject_del() to remove the sysfs directory associated with the kobject created by kobject_create_and_add() in threshold_create_bank(), to prevent the kernel from crashing during CPU hotplug operations on systems with two or more multicore AMD CPUs. This patch fixes bug #11337. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NAndi Kleen <andi@firstfloor.org> Tested-by: NMark Langsdorf <mark.langsdorf@amd.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 23 7月, 2008 1 次提交
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由 Vegard Nossum 提交于
This patch is the result of an automatic script that consolidates the format of all the headers in include/asm-x86/. The format: 1. No leading underscore. Names with leading underscores are reserved. 2. Pathname components are separated by two underscores. So we can distinguish between mm_types.h and mm/types.h. 3. Everything except letters and numbers are turned into single underscores. Signed-off-by: NVegard Nossum <vegard.nossum@gmail.com>
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- 30 1月, 2008 2 次提交
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由 H. Peter Anvin 提交于
We have a lot of code which differs only by the naming of specific members of structures that contain registers. In order to enable additional unifications, this patch drops the e- or r- size prefix from the register names in struct pt_regs, and drops the x- prefixes for segment registers on the 32-bit side. This patch also performs the equivalent renames in some additional places that might be candidates for unification in the future. Signed-off-by: NH. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
Move the mce related declarations where they belong, fix the users and remove 32bit dependency in mce.h Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 18 10月, 2007 1 次提交
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由 Thomas Gleixner 提交于
Merge the files together. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 11 10月, 2007 1 次提交
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由 Thomas Gleixner 提交于
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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