[PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec

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Subject: [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
From: hpa@xxxxxxxxx (H. Peter Anvin)
Date: Fri, 20 Dec 2013 19:32:11 -0800
In-reply-to: <87ioujf0ox.fsf@xmission.com>
References: <20131121190350.GC17070@kroah.com> <20131121190620.GA25951@srcf.ucam.org> <20131121191305.GK16208@redhat.com> <20131121191907.GA26366@srcf.ucam.org> <20131122185706.GK4046@redhat.com> <87vbzju6ql.fsf@xmission.com> <20131125163920.GC23094@redhat.com> <87fvqj2vxz.fsf@xmission.com> <20131126142759.GA5473@redhat.com> <20131219125439.GA6379@lst.de> <20131220141917.GB27063@redhat.com> <87a9fvqfs4.fsf@xmission.com> <52B4D0C6.2000505@zytor.com> <87ioujf0ox.fsf@xmission.com>

On 12/20/2013 05:32 PM, Eric W. Biederman wrote:
> 
> Stuff and nonsense.  bzImage is just an ugly wrapper around an ELF
> image.
> 

Not really.  We put the ELF image in there to help Xen and presumably
kexec, but there are actually quite a few issues with it... for one
thing, as currently built there are megabytes of zeroes in it for no
good reason.

Even if you don't need the entry code, the additional metadata is
meaningful.

	-hpa

Follow-Ups:
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Torsten Duwe

References:
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Greg KH
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Matthew Garrett
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Vivek Goyal
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Matthew Garrett
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Vivek Goyal
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Eric W. Biederman
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Vivek Goyal
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Eric W. Biederman
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Vivek Goyal
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Torsten Duwe
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Vivek Goyal
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Eric W. Biederman
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: H. Peter Anvin
- [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec
  - From: Eric W. Biederman

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