linux-kernel - RE: [PATCH] tools/power/acpi/tools/acpidbg: Add multi-commands support in batch mode

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Message-ID: <1AE640813FDE7649BE1B193DEA596E883BC05ABD@SHSMSX101.ccr.corp.intel.com>
Date:	Fri, 22 Jul 2016 00:26:09 +0000
From:	"Zheng, Lv" <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	"Brown, Len" <len.brown@...el.com>, Lv Zheng <zetalog@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: RE: [PATCH] tools/power/acpi/tools/acpidbg: Add multi-commands
 support in batch mode

Hi, Rafael

> From: Rafael J. Wysocki [mailto:rjw@...ysocki.net]
> Subject: Re: [PATCH] tools/power/acpi/tools/acpidbg: Add multi-
> commands support in batch mode
> 
> On Wednesday, July 20, 2016 04:12:08 PM Lv Zheng wrote:
> > This patch adds multi-commands support for the batch mode. The same
> mode
> > can be seen in acpiexec.
> >
> > However people may think this is not useful for an in-kernel debugger,
> > because the in-kernel debugger is always running, never exits. So we can
> > run another command by running another acpidbg batch mode instance.
> >
> > But this mode should still be useful for acpidbg. The reason is: when the
> > in-kernel debugger has entered the single-stepping mode, ending acpidbg
> > (which closes the debugger IO interface) will lead to the end of the
> > single-stepping mode.
> >
> > So we need the acpidbg multi-commands batch mode in order to execute
> > multiple single-stepping mode commands in the batch mode.
> >
> > Signed-off-by: Lv Zheng <lv.zheng@...el.com>
> 
> Does this depend on the kernel flushing support series?
[Lv Zheng] 
This depends on the "flush" stuff.
That's why I sent it to the same mailing thread.

Thanks
-Lv