linux-kernel - RE: [PATCH 5/5] ACPI: Add configuration item to configure ACPICA error logs out

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Message-ID: <1AE640813FDE7649BE1B193DEA596E883BC00475@SHSMSX101.ccr.corp.intel.com>
Date:	Wed, 6 Jul 2016 01:46:22 +0000
From:	"Zheng, Lv" <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael@...nel.org>
CC:	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"Brown, Len" <len.brown@...el.com>, Lv Zheng <zetalog@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: RE: [PATCH 5/5] ACPI: Add configuration item to configure ACPICA
 error logs out

Hi, Rafael

> From: linux-acpi-owner@...r.kernel.org [mailto:linux-acpi-
> owner@...r.kernel.org] On Behalf Of Rafael J. Wysocki
> Subject: Re: [PATCH 5/5] ACPI: Add configuration item to configure ACPICA
> error logs out
> 
> On Tue, Jul 5, 2016 at 1:18 PM, Lv Zheng <lv.zheng@...el.com> wrote:
> > Sometimes, we need to disable ACPICA error logs to leave only ACPICA
> > debug logs enabled for debugging purpose. This is useful when ACPICA
> error
> > logs become a flood.
> >
> > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=114201
> > Signed-off-by: Lv Zheng <lv.zheng@...el.com>
> 
> I seem to remember seeing this change once before and ISTR I said I
> wouldn't apply it then.
> 
> Why would I say something different this time?
[Lv Zheng] 
I missed that.
Now that I deleted this patch from my local queue.

Thanks and best regards
-Lv

> 
> > ---
> >  drivers/acpi/Kconfig            |    7 +++++++
> >  include/acpi/platform/aclinux.h |    4 ++++
> >  2 files changed, 11 insertions(+)
> >
> > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> > index 04af18f..939d235 100644
> > --- a/drivers/acpi/Kconfig
> > +++ b/drivers/acpi/Kconfig
> > @@ -324,6 +324,13 @@ config ACPI_TABLE_UPGRADE
> >           initrd, therefore it's safe to say Y.
> >           See Documentation/acpi/initrd_table_override.txt for details
> >
> > +config ACPI_NO_ERROR_MESSAGES
> > +       bool "Disable error messages"
> > +       default n
> > +       help
> > +         The ACPI subsystem can produce error messages. Saying Y disables
> > +         this output.
> > +
> >  config ACPI_DEBUG
> >         bool "Debug Statements"
> >         default n
> > diff --git a/include/acpi/platform/aclinux.h
> b/include/acpi/platform/aclinux.h
> > index 93b61b1..ed27b52 100644
> > --- a/include/acpi/platform/aclinux.h
> > +++ b/include/acpi/platform/aclinux.h
> > @@ -77,6 +77,10 @@
> >  #define ACPI_MUTEX_DEBUG
> >  #endif
> >
> > +#ifdef CONFIG_ACPI_NO_ERROR_MESSAGES
> > +#define ACPI_NO_ERROR_MESSAGES
> > +#endif
> > +
> >  #include <linux/string.h>
> >  #include <linux/kernel.h>
> >  #include <linux/ctype.h>
> > --
> --
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