From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Subject: Re: [Qemu-devel] [PATCH 03/12] Refactor and enhance break/watchpoint API
Date: Thu, 13 Nov 2008 14:51:58 -0600 [thread overview]
Message-ID: <491C936E.8050808@codemonkey.ws> (raw)
In-Reply-To: <20081103103559.071243441@mchn012c.ww002.siemens.net>
Jan Kiszka wrote:
> This patch prepares the QEMU cpu_watchpoint/breakpoint API to allow the
> succeeding enhancements this series comes with.
>
> First of all, it overcomes MAX_BREAKPOINTS/MAX_WATCHPOINTS by switching
> to dynamically allocated data structures that are kept in linked lists.
> This also allows to return a stable reference to the related objects,
> required for later introduced x86 debug register support.
>
> Breakpoints and watchpoints are stored with their full information set
> and an additional flag field that makes them easily extensible for use
> beyond pure guest debugging.
>
> Finally, this restructuring lays the foundation for KVM to hook into
> the debugging infrastructure, providing its own services where hardware
> virtualization demands it. Once QEMUAccel is considered for merge,
> those entry point should be included into its abstraction layer so that
> accellerators can hook in even more cleanly.
>
We've merged KVM support (although not QEMUAccel), so perhaps you can
also add the KVM hooks in this series that you are thinking of?
Regards,
Anthony Liguori
next prev parent reply other threads:[~2008-11-13 20:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 10:35 [Qemu-devel] [PATCH 00/12] Enhance debugging support - 4th take Jan Kiszka
2008-11-03 10:35 ` [Qemu-devel] [PATCH 01/12] Refactor translation block CPU state handling Jan Kiszka
2008-11-13 20:42 ` Anthony Liguori
2008-11-03 10:36 ` [Qemu-devel] [PATCH 02/12] Return appropriate watch message to gdb Jan Kiszka
2008-11-13 20:45 ` Anthony Liguori
2008-11-13 22:55 ` [Qemu-devel] " Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 03/12] Refactor and enhance break/watchpoint API Jan Kiszka
2008-11-13 20:48 ` Anthony Liguori
2008-11-13 22:56 ` [Qemu-devel] " Jan Kiszka
2008-11-14 2:24 ` Jamie Lokier
2008-11-13 20:51 ` Anthony Liguori [this message]
2008-11-13 22:58 ` Jan Kiszka
2008-11-15 8:29 ` Jan Kiszka
2008-11-15 16:12 ` Anthony Liguori
2008-11-03 10:36 ` [Qemu-devel] [PATCH 04/12] Set mem_io_vaddr on io_read Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 05/12] Respect length of watchpoints Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 06/12] Restore pc on watchpoint hits Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 07/12] Remove premature memop TB terminations Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 08/12] qemu: gdbstub: manage CPUs as threads Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 09/12] Introduce BP_WATCHPOINT_HIT flag Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 10/12] Add debug exception hook Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 11/12] Introduce BP_CPU as a breakpoint type Jan Kiszka
2008-11-03 10:36 ` [Qemu-devel] [PATCH 12/12] x86: Debug register emulation Jan Kiszka
2008-11-13 20:38 ` [Qemu-devel] [PATCH 00/12] Enhance debugging support - 4th take Anthony Liguori
2008-11-13 22:55 ` [Qemu-devel] " Jan Kiszka
2008-11-13 22:06 ` [Qemu-devel] " Fabrice Bellard
2008-11-13 22:55 ` [Qemu-devel] " Jan Kiszka
2008-11-13 23:32 ` Anthony Liguori
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