When the crashkernel kernel command line option is specified, the
low 1M memory will always be reserved, which makes that the memory
allocated later won't fall into the low 1M area, thereby, it's not
necessary to create a backup region and also no need to copy the
first 640k content to a backup reg
Kdump kernel will reuse the first 640k region because the real mode
trampoline has to work in this area. When the vmcore is dumped, the
old memory in this area may be accessed, therefore, kernel has to
copy the contents of the first 640k area to a backup region so that
kdump kernel can read the old
In purgatory(), the main things are as below:
[1] verify sha256 hashes for various segments.
Lets keep these codes, and do not touch the logic.
[2] copy the first 640k content to a backup region.
Lets safely remove it and clean all code related to backup region.
This patch series will re
在 2019年10月31日 02:25, kbuild test robot 写道:
> Hi Lianbo,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v5.4-rc5 next-20191030]
> [if your patch is applied to the wrong git tree, please d
Hi,
Please ignore this patch series because the compile warnings are reported by
kduild.
I will resend v8 later after the warnings are fixed.
Sorry for this.
Thanks.
Lianbo
在 2019年10月30日 11:54, Lianbo Jiang 写道:
> In purgatory(), the main things are as below:
>
> [1] verify sha256 hashes for
Hi Lianbo,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.4-rc5 next-20191030]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '-
> -Original Message-
> If there are corresponding kernel patches being considered to make
> makedumpfile work on v8 and v8.x systems I would be interesting in
> testing those also.
>
>
> makedumpfile should be able to work with a variety of VAbits as 48, or
> 52 settings.
Yes, B
On 10/30/19 10:08 AM, Kazuhito Hagio wrote:
Hi Bhupesh,
OK, thanks for letting me know that in your holidays. Have good ones.
I just thought that it might be good to share our understanding before
posting a kernel patch so that I can do something to support you if
need be.
Hi John,
You see th
Hi Bhupesh,
OK, thanks for letting me know that in your holidays. Have good ones.
I just thought that it might be good to share our understanding before
posting a kernel patch so that I can do something to support you if
need be.
Hi John,
You see that error with my test patch, which is only for
On Wed, Oct 30, 2019 at 1:14 PM Ard Biesheuvel
wrote:
>
> On Wed, 30 Oct 2019 at 08:36, Prabhakar Kushwaha
> wrote:
> >
> > On Wed, Oct 30, 2019 at 12:43 PM Ard Biesheuvel
> > wrote:
> > >
> > > On Tue, 29 Oct 2019 at 18:17, Prabhakar Kushwaha
> > > wrote:
> > > >
> > > > Hi All,
> > > >
> > >
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