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- 12 Sep, 2005 1 commit
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Andi Kleen authored
One machine is constantly throwing NMI watchdog timeouts in mce_log This was one attempt to fix it. (AK: this doesn't actually fix the bug I'm seeing unfortunately, probably drop. I don't like it that the reader can spin forever now waiting for a writer) Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 07 Aug, 2005 1 commit
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Andi Kleen authored
Don't log machine check events left over from boot. Too many BIOSes leave bogus events in there. This unfortunately also makes it impossible to log events that caused a reboot. For people with non broken BIOS there is mce=bootlog Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 29 Jul, 2005 1 commit
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Andi Kleen authored
This patch will create machinecheck sysdev directories per CPU. All of the cpus still share the same ctl banks. When compiled with CONFIG_HOTPLUG_CPU, it will also bring up/down sysdev directories as cpus go up/down. I have tested the patch along with CONFIG_HOTPLUG_CPU option on in 2.6.13-rc1 kernel. Minor changes by AK: remove useless unload function Signed-off-by: Jacob Shin <jacob.shin@amd.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 25 Jun, 2005 2 commits
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Paul E. McKenney authored
2.6.12-rc6-mm1 has a few remaining synchronize_kernel()s, some (but not all) in comments. This patch changes these synchronize_kernel() calls (and comments) to synchronize_rcu() or synchronize_sched() as follows: - arch/x86_64/kernel/mce.c mce_read(): change to synchronize_sched() to handle races with machine-check exceptions (synchronize_rcu() would not cut it given RCU implementations intended for hardcore realtime use. - drivers/input/serio/i8042.c i8042_stop(): change to synchronize_sched() to handle races with i8042_interrupt() interrupt handler. Again, synchronize_rcu() would not cut it given RCU implementations intended for hardcore realtime use. - include/*/kdebug.h comments: change to synchronize_sched() to handle races with NMIs. As before, synchronize_rcu() would not cut it... - include/linux/list.h comment: change to synchronize_rcu(), since this comment is for list_del_rcu(). - security/keys/key.c unregister_key_type(): change to synchronize_rcu(), since this is interacting with RCU read side. - security/keys/process_keys.c install_session_keyring(): change to synchronize_rcu(), since this is interacting with RCU read side. Signed-off-by: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Ashok Raj authored
This patch adds __cpuinit and __cpuinitdata sections that need to exist past boot to support cpu hotplug. Caveat: This is done *only* for EM64T CPU Hotplug support, on request from Andi Kleen. Much of the generic hotplug code in kernel, and none of the other archs that support CPU hotplug today, i386, ia64, ppc64, s390 and parisc dont mark sections with __cpuinit, but only mark them as __devinit, and __devinitdata. If someone is motivated to change generic code, we need to make sure all existing hotplug code does not break, on other arch's that dont use __cpuinit, and __cpudevinit. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Andi Kleen <ak@muc.de> Acked-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 16 Apr, 2005 3 commits
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Andi Kleen authored
Remove excessive stack allocation in MCE code with large NR_CPUS Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Andi Kleen authored
They are rumoured to be much more reliable than the RIP in the stack frame on P4s. This is a borderline case because the code is very simple. Please note there are no plans to add support for all the MCE register MSRs. Cc: <venkatesh.pallipadi@intel.com> Cc: <racing.guo@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds authored
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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