public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Prarit Bhargava <prarit@redhat.com>
To: David Rientjes <rientjes@google.com>
Cc: linux-kernel@vger.kernel.org, lszubowi@redhat.com,
	Matt Fleming <matt.fleming@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, linux-efi@vger.kernel.org
Subject: Re: [PATCH] x86, efi: print debug values in Kib not MB
Date: Tue, 29 Jul 2014 18:05:04 -0400	[thread overview]
Message-ID: <53D81A90.5000906@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1407291327450.13073@chino.kir.corp.google.com>



On 07/29/2014 04:29 PM, David Rientjes wrote:
> On Tue, 29 Jul 2014, Prarit Bhargava wrote:
> 
>> diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
>> index 87fc96b..3875090 100644
>> --- a/arch/x86/platform/efi/efi.c
>> +++ b/arch/x86/platform/efi/efi.c
>> @@ -384,10 +384,10 @@ static void __init print_efi_memmap(void)
>>  	     p < memmap.map_end;
>>  	     p += memmap.desc_size, i++) {
>>  		md = p;
>> -		pr_info("mem%02u: type=%u, attr=0x%llx, range=[0x%016llx-0x%016llx) (%lluMB)\n",
>> +		pr_info("mem%02u: type=%u, attr=0x%llx, range=[0x%016llx-0x%016llx) (%lluKiB)\n",
>>  			i, md->type, md->attribute, md->phys_addr,
>>  			md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
>> -			(md->num_pages >> (20 - EFI_PAGE_SHIFT)));
>> +			(md->num_pages << 2));
>>  	}
>>  #endif  /*  EFI_DEBUG  */
>>  }
> 
> If EFI_PAGE_SHIFT were to ever change from its hard-coded 12, then this 
> would be wrong.  Any reason to not simply print EFI_PAGE_SIZE and 
> md->num_pages?

Hmm ... maybe it might be better to print out (md->num_pages * EFI_PAGE_SIZE) >>
10 ?  I'll just double check that in a kernel and repost.

Thanks for the suggestion David :)

P.
> 

  parent reply	other threads:[~2014-07-29 22:05 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-29 17:09 [PATCH] x86, efi: print debug values in Kib not MB Prarit Bhargava
2014-07-29 20:29 ` David Rientjes
2014-07-29 22:02   ` Joe Perches
2014-07-29 22:05     ` Prarit Bhargava
2014-07-29 22:05   ` Prarit Bhargava [this message]
2014-07-29 22:29 ` Borislav Petkov
2014-07-29 22:32   ` Prarit Bhargava
2014-07-29 22:36     ` Borislav Petkov
2014-07-29 22:42       ` David Rientjes
2014-07-29 23:01         ` Borislav Petkov
2014-07-29 23:03           ` Prarit Bhargava
2014-07-29 23:07         ` Joe Perches
2014-07-29 23:44           ` David Rientjes
2014-07-29 22:54       ` Prarit Bhargava
2014-07-30  3:25         ` Steven Noonan
2014-07-30 14:48   ` Matt Fleming
2014-07-30 15:05     ` Colin Ian King
2014-07-30 17:04       ` Prarit Bhargava
2014-07-30 17:10         ` Randy Dunlap
2014-07-30 17:21           ` H. Peter Anvin
2014-07-30 19:58             ` Borislav Petkov
2014-07-30 20:43               ` Randy Dunlap

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=53D81A90.5000906@redhat.com \
    --to=prarit@redhat.com \
    --cc=hpa@zytor.com \
    --cc=linux-efi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lszubowi@redhat.com \
    --cc=matt.fleming@intel.com \
    --cc=mingo@redhat.com \
    --cc=rientjes@google.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox