https://github.com/torvalds/linux
Revision c7754e75100ed5e3068ac5085747f2bfc386c8d6 authored by Hemmo Nieminen on 15 January 2015, 21:01:59 UTC, committed by Ralf Baechle on 29 January 2015, 22:54:07 UTC
As printk() invocation can cause e.g. a TLB miss, printk() cannot be called before the exception handlers have been properly initialized. This can happen e.g. when netconsole has been loaded as a kernel module and the TLB table has been cleared when a CPU was offline. Call cpu_report() in start_secondary() only after the exception handlers have been initialized to fix this. Without the patch the kernel will randomly either lockup or crash after a CPU is onlined and the console driver is a module. Signed-off-by: Hemmo Nieminen <hemmo.nieminen@iki.fi> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: stable@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8953/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Tip revision: c7754e75100ed5e3068ac5085747f2bfc386c8d6 authored by Hemmo Nieminen on 15 January 2015, 21:01:59 UTC
MIPS: Fix kernel lockup or crash after CPU offline/online
MIPS: Fix kernel lockup or crash after CPU offline/online
Tip revision: c7754e7
| File | Mode | Size |
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| crypto | ||
| drivers | ||
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| fs | ||
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| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
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| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 1.1 KB |
| .mailmap | -rw-r--r-- | 4.8 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 94.0 KB |
| Kbuild | -rw-r--r-- | 2.5 KB |
| Kconfig | -rw-r--r-- | 252 bytes |
| MAINTAINERS | -rw-r--r-- | 291.6 KB |
| Makefile | -rw-r--r-- | 53.1 KB |
| README | -rw-r--r-- | 18.3 KB |
| REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
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