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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: David Edmondson <david.edmondson@oracle.com>,
	qemu-devel@nongnu.org, Stefano Garzarella <sgarzare@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Eduardo Habkost <ehabkost@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH 0/2] improve loading of 32 bit PVH kernels
Date: Tue, 2 Mar 2021 11:30:29 +0100	[thread overview]
Message-ID: <098e9e74-bfd3-a82a-5db0-5d0526f07c93@redhat.com> (raw)
In-Reply-To: <20210302090315.3031492-1-david.edmondson@oracle.com>

Cc'ing Stefano

On 3/2/21 10:03 AM, David Edmondson wrote:
> While testing a non-Linux 32 bit PVH "kernel" (it's really just a
> bunch of test code), I ran into some problems with the current PVH
> loader in QEMU, which seems to work somewhat by accident for 32 bit
> kernels today, having been fortunate in the layout of the object files
> it typically encounters.
> 
> Non-PAE 32 bit Linux kernels still don't appear to work even with this
> change, but I think that problem is somewhere else (the kernel is
> loaded and starts, but the VM resets when it attempts to enable PG/PE)
> and I haven't tracked it down yet.
> 
> David Edmondson (2):
>   elf_ops: correct loading of 32 bit PVH kernel
>   x86/pvh: extract only 4 bytes of start address for 32 bit kernels
> 
>  hw/i386/x86.c        | 6 ++++--
>  include/hw/elf_ops.h | 4 +---
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 



  parent reply	other threads:[~2021-03-02 10:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-02  9:03 [PATCH 0/2] improve loading of 32 bit PVH kernels David Edmondson
2021-03-02  9:03 ` [PATCH 1/2] elf_ops: correct loading of 32 bit PVH kernel David Edmondson
2021-03-02 10:31   ` Philippe Mathieu-Daudé
2021-03-02 13:36   ` Stefano Garzarella
2021-03-02 14:26   ` Alex Bennée
2021-03-02  9:03 ` [PATCH 2/2] x86/pvh: extract only 4 bytes of start address for 32 bit kernels David Edmondson
2021-03-02 13:54   ` Stefano Garzarella
2021-03-02 10:30 ` Philippe Mathieu-Daudé [this message]
2021-03-02 14:11 ` [PATCH 0/2] improve loading of 32 bit PVH kernels Paolo Bonzini

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