On Wed, May 31, 2017 at 11:03:52PM +0800, Xunlei Pang wrote:
> For kdump case, it will be put in some reserved crash memory allocated
> by kexec-tools, and passed the corresponding start address of the
> allocated reserved crash memory to kdump kernel via "elfcorehdr=",
> please see kernel function
On 05/31/2017 at 01:46 AM, Tom Lendacky wrote:
> On 5/25/2017 11:17 PM, Xunlei Pang wrote:
>> On 04/19/2017 at 05:21 AM, Tom Lendacky wrote:
>>> Provide support so that kexec can be used to boot a kernel when SME is
>>> enabled.
>>>
>>> Support is needed to allocate pages for kexec without encrypti
On Tue, May 30, 2017 at 12:46:14PM -0500, Tom Lendacky wrote:
> This is an area that I'm not familiar with, so I don't completely
> understand the flow in regards to where/when/how the ELF headers are
> copied and what needs to be done.
So my suggestion is still to put kexec/kdump on the backburne
On 5/25/2017 11:17 PM, Xunlei Pang wrote:
On 04/19/2017 at 05:21 AM, Tom Lendacky wrote:
Provide support so that kexec can be used to boot a kernel when SME is
enabled.
Support is needed to allocate pages for kexec without encryption. This
is needed in order to be able to reboot in the kernel
On 05/26/17 at 12:17pm, Xunlei Pang wrote:
> On 04/19/2017 at 05:21 AM, Tom Lendacky wrote:
> > Provide support so that kexec can be used to boot a kernel when SME is
> > enabled.
> >
> > Support is needed to allocate pages for kexec without encryption. This
> > is needed in order to be able to re
On 04/19/2017 at 05:21 AM, Tom Lendacky wrote:
> Provide support so that kexec can be used to boot a kernel when SME is
> enabled.
>
> Support is needed to allocate pages for kexec without encryption. This
> is needed in order to be able to reboot in the kernel in the same manner
> as originally b
On 5/19/2017 4:28 PM, Borislav Petkov wrote:
On Fri, May 19, 2017 at 04:07:24PM -0500, Tom Lendacky wrote:
As long as those never change from static inline everything will be
fine. I can change it, but I really like how it explicitly indicates
I know what you want to do. But you're practically
On Fri, May 19, 2017 at 04:07:24PM -0500, Tom Lendacky wrote:
> As long as those never change from static inline everything will be
> fine. I can change it, but I really like how it explicitly indicates
I know what you want to do. But you're practically defining a helper
which contains two arbitra
On 5/19/2017 3:58 PM, Borislav Petkov wrote:
On Fri, May 19, 2017 at 03:45:28PM -0500, Tom Lendacky wrote:
Actually there is. The above will result in data in the cache because
halt() turns into a function call if CONFIG_PARAVIRT is defined (refer
to the comment above where do_wbinvd_halt is se
On Fri, May 19, 2017 at 03:45:28PM -0500, Tom Lendacky wrote:
> Actually there is. The above will result in data in the cache because
> halt() turns into a function call if CONFIG_PARAVIRT is defined (refer
> to the comment above where do_wbinvd_halt is set to true). I could make
> this a native_w
On 5/17/2017 2:17 PM, Borislav Petkov wrote:
On Tue, Apr 18, 2017 at 04:21:21PM -0500, Tom Lendacky wrote:
Provide support so that kexec can be used to boot a kernel when SME is
enabled.
Support is needed to allocate pages for kexec without encryption. This
is needed in order to be able to reb
On Tue, Apr 18, 2017 at 04:21:21PM -0500, Tom Lendacky wrote:
> Provide support so that kexec can be used to boot a kernel when SME is
> enabled.
>
> Support is needed to allocate pages for kexec without encryption. This
> is needed in order to be able to reboot in the kernel in the same manner
>
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