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e1d12d70f7
In case of a translation exception the page tables are corrupted. If the exception handler then calls die() which again calls show_regs() -> show_code() -> copy_from_user(), the kernel may access the same memory location again and generates yet another translation exception. Which in turn will lead to a deadlock on the die_lock spinlock, which the kernel tries to grab recursively. Given that the page tables are corrupted anyway, if we see such an exception, let's simply panic. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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| boot | ||
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| crypto | ||
| hypfs | ||
| include | ||
| kernel | ||
| kvm | ||
| lib | ||
| mm | ||
| net | ||
| oprofile | ||
| pci | ||
| defconfig | ||
| Kbuild | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||