On Fri, Nov 22, 2013 at 2:55 AM, Vivek Goyal vgo...@redhat.com wrote:
Before you are done we need an ELF loader. bzImage really is very
uninteresting. To the point I am not at all convinced that an in kernel
loader should support it.
Hi Eric,
Why ELF case is so interesting. I have not use
When use --message-level 31 to do a kdump compressed dump, printing
message is not correct any more. Free pages number is doubled as below.
Original pages : 0x0007539c
Excluded pages : 0x000d986a
Pages filled with zero : 0x1196
Cache pages :
Makedumpfile fails to filter dump for kernels build with
CONFIG_SPARSEMEM_VMEMMAP
enabled as it fails to do vmemmap translations. So far, makedumpfile on ppc64
never
had to deal with vmemmap addresses (vmemmap regions) seperately to filter ppc64
crash dumps as vmemmap regions where mapped in
On Fri, 22 Nov 2013, Geert Uytterhoeven wrote:
Why ELF case is so interesting. I have not use kexec to boot ELF
images in years and have not seen others using it too. In fact bzImage
seems to be the most common kernel image format for x86, most of the distros
ship and use.
So first I
On Fri, Nov 22, 2013 at 10:09:17AM +0100, Geert Uytterhoeven wrote:
On Fri, Nov 22, 2013 at 2:55 AM, Vivek Goyal vgo...@redhat.com wrote:
Before you are done we need an ELF loader. bzImage really is very
uninteresting. To the point I am not at all convinced that an in kernel
loader should
On Fri, Nov 22, 2013 at 06:01:55PM +0530, Hari Bathini wrote:
Makedumpfile fails to filter dump for kernels build with
CONFIG_SPARSEMEM_VMEMMAP
enabled as it fails to do vmemmap translations. So far, makedumpfile on ppc64
never
had to deal with vmemmap addresses (vmemmap regions) seperately
On Fri, Nov 22, 2013 at 02:30:17PM +0100, Jiri Kosina wrote:
On Fri, 22 Nov 2013, Geert Uytterhoeven wrote:
Why ELF case is so interesting. I have not use kexec to boot ELF
images in years and have not seen others using it too. In fact bzImage
seems to be the most common kernel image
On Fri, 22 Nov 2013, Vivek Goyal wrote:
OTOH, does this feature make any sense whatsover on architectures that
don't support secure boot anyway?
I guess if signed modules makes sense, then being able to kexec signed
kernel images should make sense too, in general.
Well, that's really a
On Fri, Nov 22, 2013 at 05:34:03AM -0800, Eric W. Biederman wrote:
[..]
Why ELF case is so interesting. I have not use kexec to boot ELF
images in years and have not seen others using it too. In fact bzImage
seems to be the most common kernel image format for x86, most of the distros
ship
On 11/21/2013 11:21 AM, Vivek Goyal wrote:
What do you mean by the real mode entry? Do we need to care about
that because we aren't falling back to real mode when executing this,
are we? Or does that just happen for 32bit kernels?
Original kexec offers real mode entry choice too. So we
On Fri, 22 Nov 2013, Geert Uytterhoeven wrote:
Only arm, i386, ppc, ppc64, sh, and x86_64 support zImage.
It's not clear to me what alpha supports (if it supports anything at all?).
Motiviation behind this patchset is secureboot. That is x86 specific
only and bzImage is most commonly
On Fri, Nov 22, 2013 at 10:33 AM, Jiri Kosina jkos...@suse.cz wrote:
On Fri, 22 Nov 2013, Geert Uytterhoeven wrote:
Only arm, i386, ppc, ppc64, sh, and x86_64 support zImage.
It's not clear to me what alpha supports (if it supports anything at
all?).
Motiviation behind this patchset
On Fri, 22 Nov 2013, Eric Paris wrote:
Consider a cloud provider who gives their customer a machine where
they, the cloud provider, is specifying the kernel and initrd. This
is a real thing that people do today. Root on the machine has ZERO
control over the kernel, bootloader, and initrd.
On Fri, Nov 22, 2013 at 05:04:04PM +0100, Jiri Kosina wrote:
On Fri, 22 Nov 2013, Eric Paris wrote:
Consider a cloud provider who gives their customer a machine where
they, the cloud provider, is specifying the kernel and initrd. This
is a real thing that people do today. Root on the
On Fri, Nov 22, 2013 at 02:50:43PM +0100, Jiri Kosina wrote:
On Fri, 22 Nov 2013, Vivek Goyal wrote:
OTOH, does this feature make any sense whatsover on architectures that
don't support secure boot anyway?
I guess if signed modules makes sense, then being able to kexec signed
On Fri, Nov 22, 2013 at 7:33 AM, Vivek Goyal vgo...@redhat.com wrote:
On Fri, Nov 22, 2013 at 02:50:43PM +0100, Jiri Kosina wrote:
On Fri, 22 Nov 2013, Vivek Goyal wrote:
OTOH, does this feature make any sense whatsover on architectures that
don't support secure boot anyway?
I guess
On Fri, Nov 22, 2013 at 09:19:46AM -0500, Vivek Goyal wrote:
On Fri, Nov 22, 2013 at 05:34:03AM -0800, Eric W. Biederman wrote:
[..]
Why ELF case is so interesting. I have not use kexec to boot ELF
images in years and have not seen others using it too. In fact bzImage
seems to be the
On Wed, 20 Nov 2013, Vivek Goyal wrote:
This patch implements the in kernel kexec functionality. It implements a
new system call kexec_file_load. I think parameter list of this system
call will change as I have not done the kernel image signature handling
yet. I have been told that I might
On Thu, 2013-11-21 at 14:17 +0800, dyo...@redhat.com wrote:
Hi,
Here is the V3 for supporting kexec kernel efi runtime.
Per pervious discussion I pass the 1st kernel efi runtime mapping
via setup_data to 2nd kernel. Besides of the runtime mapping
info I also pass the fw_vendor, runtime,
On Thu, 2013-11-21 at 14:40 +0800, dyo...@redhat.com wrote:
Hi,
This is the v3 patchset for adding efi runtime support on kexec kernel
kernel patches was sent a while ago, not yet updated in archive.
in kexec-tools, this patchset will do below:
1. retrieve efi_info from sysfs
Vivek Goyal vgo...@redhat.com writes:
On Fri, Nov 22, 2013 at 05:34:03AM -0800, Eric W. Biederman wrote:
[..]
Why ELF case is so interesting. I have not use kexec to boot ELF
images in years and have not seen others using it too. In fact bzImage
seems to be the most common kernel image
Vivek Goyal vgo...@redhat.com writes:
On Thu, Nov 21, 2013 at 07:19:07PM +, Matthew Garrett wrote:
On Thu, Nov 21, 2013 at 02:13:05PM -0500, Vivek Goyal wrote:
On Thu, Nov 21, 2013 at 07:06:20PM +, Matthew Garrett wrote:
That would require a certain degree of massaging from
22 matches
Mail list logo
