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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] Re: [PATCH] Reboot CPU on triple fault |
Date: | Wed, 16 Apr 2008 09:44:25 -0500 |
User-agent: | Thunderbird 2.0.0.12 (X11/20080227) |
Paul Brook wrote:
+ if (env->old_exception == EXCP08_DBLE) { + fprintf(stderr, "qemu: warning: triple fault\n");IMHO There's no reason to print a message to stderr. This is all well defined behavior, and the accepted way of exiting from 286 protected mode.
Moreover, it's a standard means of rebooting in the absence of APM or ACPI. See native_machine_emergency_restart() in arch/x86/kernel/reboot.c in Linux.
Regards, Anthony Liguori
Paul
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