Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755958Ab1BWV5O (ORCPT ); Wed, 23 Feb 2011 16:57:14 -0500 Received: from kroah.org ([198.145.64.141]:53254 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754807Ab1BWV5N (ORCPT ); Wed, 23 Feb 2011 16:57:13 -0500 Date: Wed, 23 Feb 2011 13:56:58 -0800 From: Greg KH To: Hank Janssen Cc: Haiyang Zhang , "gregkh@suse.de" , "linux-kernel@vger.kernel.org" , "devel@linuxdriverproject.org" , "virtualization@lists.osdl.org" , KY Srinivasan Subject: Re: [PATCH 2/6] Staging: hv: hv.c Removed all DPRINT and debug - using pr_err now Message-ID: <20110223215658.GB16908@kroah.com> References: <1298417565-12356-1-git-send-email-hjanssen@microsoft.com> <1298417565-12356-2-git-send-email-hjanssen@microsoft.com> <20110223191533.GB1030@kroah.com> <8AFC7968D54FB448A30D8F38F259C56233FADA94@TK5EX14MBXC118.redmond.corp.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8AFC7968D54FB448A30D8F38F259C56233FADA94@TK5EX14MBXC118.redmond.corp.microsoft.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3521 Lines: 100 On Wed, Feb 23, 2011 at 07:41:28PM +0000, Hank Janssen wrote: > > > > -----Original Message----- > > From: Greg KH [mailto:greg@kroah.com] > > Sent: Wednesday, February 23, 2011 11:16 AM > > > > On Tue, Feb 22, 2011 at 03:32:41PM -0800, Hank Janssen wrote: > > > This group of patches removes all DPRINT from hv_vmbus.ko. > > > It is divided in several patches due to size. > > > > > > All DPRINT calls have been removed, and where needed have been > > > replaced with pr_XX native calls. Many debug DPRINT calls have > > > been removed outright. > > > > > > The amount of clutter this driver prints has been > > > significantly reduced. > > > > > > Signed-off-by: Hank Janssen > > > Signed-off-by: Haiyang Zhang > > > Signed-off-by: K. Y. Srinivasan > > > > > > --- > > > drivers/staging/hv/hv.c | 88 +++++++++++-------------------------- > > --------- > > > 1 files changed, 21 insertions(+), 67 deletions(-) > > > > - DPRINT_INFO(VMBUS, "OS Build:%d-%d.%d-%d-%d.%d",\ > > > - eax, > > > - ebx >> 16, > > > - ebx & 0xFFFF, > > > - ecx, > > > - edx >> 24, > > > - edx & 0xFFFFFF); > > > + > > > + pr_info("%s: Hyper-V Host OS Build:%d-%d.%d-%d-%d.%d", > > > + VMBUS_MOD, > > > + eax, > > > + ebx >> 16, > > > + ebx & 0xFFFF, > > > + ecx, > > > + edx >> 24, > > > + edx & 0xFFFFFF); > > > > Why did you keep this one? Why is it needed? > > This tells me what version the host is running. I frequently ask customers if > they are running on Host version X or Y. This tells me that with certainty > what they are running. The number of times I got from a customer that > they are running X while I knew that would not be possible has been pretty > high. Ok, fair enough. > > > if (!query_hypervisor_presence()) { > > > - DPRINT_ERR(VMBUS, "No Windows hypervisor detected!!"); > > > + pr_err("%s: %s No Hyper-V detected", VMBUS_MOD, __func__); > > > > Why the __func__? That should never be needed as it is trivial to see > > what is happening, the user doesn't need to know the function name, > > right? > > > > Please remove them from all of these calls. > > The new patch will have these removed. When I checked other drivers > in the drivers subdirectory the __func__ is used 15455 times most > of these are in print, debug or error lines. The __func__ in this > case only shows up if an error occurs. > > But as requested, I will remove them. Thanks. > > Oh, and you obviously didn't test these patches as your syslog would be > > a mess if you did. Which is NOT ok, and makes me grumpy: > > http://www.kroah.com/log/linux/maintainer-05.html > > > > bah, I should just make a numbered list and just start saying: "This > > patch fails point #4" or something like that, it would save me in > > typing... > > > > They where compile and run tested. And syslog was not a mess. What did > I mess up here? The amount of printouts now are a fraction of what they > where before. You forgot to put '\n' at the end of all of your pr_XXX lines, so they will be merged with the next one, messing up your syslog. Joe also pointed this problem out. Take a look at your syslog to see what I am talking about... thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/