linux-kernel - Re: [PATCH -tip] x86: cpu_debug.c prepare report if files are less or more then expected

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Date:	Tue, 14 Apr 2009 21:40:22 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] x86: cpu_debug.c prepare report if files are less
 or more then expected

On Tue, 2009-04-14 at 21:07 +0530, Jaswinder Singh Rajput wrote:
> On Tue, 2009-04-14 at 15:46 +0200, Ingo Molnar wrote:
> > * Jaswinder Singh Rajput <jaswinder@...nel.org> wrote:
> > 
> > > This will prepare the report to update cpu_debug
> > > 
> > > Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
> > > ---
> > >  arch/x86/include/asm/cpu_debug.h |    1 +
> > >  arch/x86/kernel/cpu/cpu_debug.c  |   12 ++++++++++++
> > >  2 files changed, 13 insertions(+), 0 deletions(-)
> > > 
> > > diff --git a/arch/x86/include/asm/cpu_debug.h b/arch/x86/include/asm/cpu_debug.h
> > > index 2228020..b64da5d 100644
> > > --- a/arch/x86/include/asm/cpu_debug.h
> > > +++ b/arch/x86/include/asm/cpu_debug.h
> > > @@ -187,6 +187,7 @@ enum cpu_processor_bit {
> > >  #define	CPU_ALL			(CPU_INTEL_ALL | CPU_AMD_ALL)
> > >  
> > >  #define MAX_CPU_FILES		512
> > > +#define MIN_CPU_FILES		10
> > >  
> > >  struct cpu_private {
> > >  	unsigned		cpu;
> > > diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c
> > > index 46e29ab..1c3ebd4 100644
> > > --- a/arch/x86/kernel/cpu/cpu_debug.c
> > > +++ b/arch/x86/kernel/cpu/cpu_debug.c
> > > @@ -838,6 +838,14 @@ static int cpu_init_allreg(unsigned cpu, struct dentry *dentry)
> > >  	return err;
> > >  }
> > >  
> > > +/* Send Report to maintainer if files are less or more then expected */ 
> > > +static void send_report(int files, struct cpuinfo_x86 *cpui)
> > > +{
> > > +	pr_info("Please report \"cpu_debug files %d for %x:%x:%x:%x\" to"
> > > +		" jaswinderrajput@...il.com\n", files, cpui->x86_vendor,
> > > +		cpui->x86, cpui->x86_model, cpui->x86_mask);
> > 
> > i'd rather see this reported to linux-kernel@...r.kernel.org, plus 
> > please use a WARN_ONCE() instead of a pr_info(). Hitting this is a 
> > bug we want to fix.
> > 
> 
> Subject: [PATCH] x86: cpu_debug.c prepare report if files are less or more then expected
> 
> This will prepare the report to update cpu_debug
> 
> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
> ---

I send better version of this patch:
[PATCH -tip] x86: cpu_debug.c prepare report if files are inappropriate or CPU is not supported

Thanks,

--
JSR

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