Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1582230

Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able

From Chao Peng <chao.p.peng@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able
Date 2017-02-16 03:10 +0100
Message-ID <tbjGa-85v-9@gated-at.bofh.it> (permalink)
References <tb9dM-1hF-1@gated-at.bofh.it> <tbcll-3oS-45@gated-at.bofh.it> <tbeds-4zu-7@gated-at.bofh.it> <tbeQa-4N5-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


> > Just something to consider, provided the issues with multiboot get
> > resolved:
> > 
> > If you want to boot Xen you actually use the multiboot protocol, the
> > last PVH
> > boot patches had borrowed ideas from Multiboot to add an entry to
> > Linux, only
> > it was Xen'ified. What would be Multiboot 2 seemed flexible enough to
> > allow all
> > sorts of custom semantics and information stacked into a boot image.
> > The last
> > thought I had over this topic (before giving up)  was-- if we're going
> > to add
> > yet-another-entry (TM) why not add extend Mulitiboot 2 protocol with
> > the
> > semantics we need to boot any virtual environment and then add
> > Multiboot 2
> > support entry on Linux? We could redirect any custom boot mechanism
> > then to
> > just use that given its flexibility.
> > 
> >  Luis
> 
> Multiboot has a fundamentally broken assumption, which is to do certain work for the kernel in the
> bootloader.  This is fundamentally a bad idea, because you always want to do things in the latest
> step possible during the boot process, being the most upgradeable, and have the interface as
> narrow as possible.
> 
> Therefore, using Multiboot is actively a negative step.  It is declared an "Open Standard" but
> anything can be such declared; it really is a claim that "everything should work like Grub."

Thanks Peter and Luis for comments.

Chao

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[RFC PATCH] x86/boot: make ELF kernel multiboot-able Chao Peng <chao.p.peng@linux.intel.com> - 2017-02-15 16:00 +0100
  Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able Paolo Bonzini <pbonzini@redhat.com> - 2017-02-15 17:50 +0100
    Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able Chao Peng <chao.p.peng@linux.intel.com> - 2017-02-16 03:20 +0100
  Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able hpa@zytor.com - 2017-02-15 19:20 +0100
    Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-02-15 21:20 +0100
      Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able hpa@zytor.com - 2017-02-15 22:00 +0100
        Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able Chao Peng <chao.p.peng@linux.intel.com> - 2017-02-16 03:10 +0100
        Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able Daniel Kiper <dkiper@net-space.pl> - 2017-02-17 00:40 +0100
          Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able "H. Peter Anvin" <hpa@zytor.com> - 2017-02-17 06:10 +0100
            Re: [RFC PATCH] x86/boot: make ELF kernel multiboot-able Daniel Kiper <dkiper@net-space.pl> - 2017-02-20 19:50 +0100

csiph-web