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Re: [Qemu-devel] [PATCH 1/5] single step with no IRQs and timers

From: Fabrice Bellard
Subject: Re: [Qemu-devel] [PATCH 1/5] single step with no IRQs and timers
Date: Mon, 22 May 2006 23:37:14 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913


I agree that the feature is useful, but I am not sure yet if I will apply as is. I am adding support in QEMU for deterministic execution and your patch won't be needed once this new feature is released.

BTW, why do you stop real time timers ? These timers are only used for things which do not interfere with the VM (such as VGA refresh).


Jason Wessel wrote:

This patch adds the functionality to the gdb-stub to single step with the IRQs and timers disabled. It greatly improves gdb's ability to perform run control while running a linux kernel and stepping off of breakpoints or stepping into certain types of functions. I have also included individual controls for IRQs and timers to restore the original behavior, since it is useful as well.

signed-off-by: address@hidden


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