Function report |
Source Code:arch\x86\kernel\cpu\mce\core.c |
Create Date:2022-07-28 08:00:39 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Cases where we avoid rendezvous handler timeout:* 1) If this CPU is offline
Proto:static bool __mc_check_crashing_cpu(int cpu)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| int | cpu |
| 1130 | If cpu_is_offline(cpu) || crashing_cpu != -1 && crashing_cpu != cpu Then |
| 1136 | If CPU vendor == X86_VENDOR_ZHAOXIN Then |
| 1137 | If mcgstatus & LMCE signaled Then Return false |
| 1141 | If mcgstatus & start ip valid Then |
| 1142 | mce_wrmsrl(MSR_IA32_MCG_STATUS, 0) |
| 1143 | Return true |
| 1146 | Return false |
| Name | Describe |
|---|---|
| do_machine_check | The actual machine check handler. This only handles real* exceptions when something got corrupted coming in through int 18.* This is executed in NMI context not subject to normal locking rules. This* implies that most kernel services cannot be safely used |
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