Re: kern/39897: sizeof(struct gpt_hdr);

[Jason Thorpe <thorpej%shagadelic.org@localhost>]

The following reply was made to PR kern/39897; it has been noted by GNATS.

From: Jason Thorpe <thorpej%shagadelic.org@localhost>
To: David Laight <david%l8s.co.uk@localhost>
Cc: gnats-bugs%NetBSD.org@localhost,
 kern-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/39897: sizeof(struct gpt_hdr);
Date: Tue, 11 Nov 2008 16:56:14 -0800

 On Nov 11, 2008, at 3:55 PM, David Laight wrote:
 
 > On Tue, Nov 11, 2008 at 07:00:01PM +0000, jakllsch%kollasch.net@localhost 
 > wrote:
 >>> Synopsis:       sizeof(struct gpt_hdr); is "wrong" on amd64
 >
 >> Perhaps add a '__packed' attribute to the GPT structures.
 >
 > There is a typedef for a 64bit int with 32bit alignment somewhere.
 > That is better than applying packed to the entire structure.
 
 No, there's not.
 
 The problem is likely due to the fact that the struct has 3 uint32_t's  
 at the end, rather than 2 or 4.
 
 >
 >
 >      David
 >
 > -- 
 > David Laight: david%l8s.co.uk@localhost
 
 -- thorpej