On 02/02/15 at 08:42am, H. Peter Anvin wrote:
> On 01/20/2015 07:37 PM, Baoquan He wrote:
> >
> >Leftover problem:
> > hpa want to see the physical randomization can cover the whole physical
> > memory. I
> >checked code and found it's hard to do. Because in
>
On 02/02/15 at 08:42am, H. Peter Anvin wrote:
On 01/20/2015 07:37 PM, Baoquan He wrote:
Leftover problem:
hpa want to see the physical randomization can cover the whole physical
memory. I
checked code and found it's hard to do. Because in
arch/x86/boot/compressed/head_64.S
an
On 01/20/2015 07:37 PM, Baoquan He wrote:
Leftover problem:
hpa want to see the physical randomization can cover the whole physical
memory. I
checked code and found it's hard to do. Because in
arch/x86/boot/compressed/head_64.S
an identity mapping of 4G is built and then kaslr and
On 02/01/15 at 05:13am, Andy Lutomirski wrote:
> I applied this to Linus' tree today, and I get:
>
> early console in decompress_kernel
> KASLR disabled by default...
>
> Decompressing Linux...
>
> XZ-compressed data is corrupt
>
> -- System halted
>
> If I comment out the output =
On 02/01/15 at 05:13am, Andy Lutomirski wrote:
> On Sun, Feb 1, 2015 at 12:10 AM, Baoquan He wrote:
> > On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
> >> On 01/20/2015 07:37 PM, Baoquan He wrote:
> >>
> >> I have no idea what the #PF thing you're referring to is, but I have
> >> code to
On 02/01/15 at 05:13am, Andy Lutomirski wrote:
On Sun, Feb 1, 2015 at 12:10 AM, Baoquan He b...@redhat.com wrote:
On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
On 01/20/2015 07:37 PM, Baoquan He wrote:
I have no idea what the #PF thing you're referring to is, but I have
code to
On 02/01/15 at 05:13am, Andy Lutomirski wrote:
I applied this to Linus' tree today, and I get:
early console in decompress_kernel
KASLR disabled by default...
Decompressing Linux...
XZ-compressed data is corrupt
-- System halted
If I comment out the output = 0x14000 line,
On 01/20/2015 07:37 PM, Baoquan He wrote:
Leftover problem:
hpa want to see the physical randomization can cover the whole physical
memory. I
checked code and found it's hard to do. Because in
arch/x86/boot/compressed/head_64.S
an identity mapping of 4G is built and then kaslr and
On Sun, Feb 1, 2015 at 12:10 AM, Baoquan He wrote:
> On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
>> On 01/20/2015 07:37 PM, Baoquan He wrote:
>>
>> I have no idea what the #PF thing you're referring to is, but I have
>> code to implement a #PF handler in boot/compressed if it would be
>>
On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
> On 01/20/2015 07:37 PM, Baoquan He wrote:
>
> I have no idea what the #PF thing you're referring to is, but I have
> code to implement a #PF handler in boot/compressed if it would be
> helpful. It's two patches:
>
>
On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
On 01/20/2015 07:37 PM, Baoquan He wrote:
I have no idea what the #PF thing you're referring to is, but I have
code to implement a #PF handler in boot/compressed if it would be
helpful. It's two patches:
On Sun, Feb 1, 2015 at 12:10 AM, Baoquan He b...@redhat.com wrote:
On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
On 01/20/2015 07:37 PM, Baoquan He wrote:
I have no idea what the #PF thing you're referring to is, but I have
code to implement a #PF handler in boot/compressed if it would be
On Tue, Jan 20, 2015 at 7:37 PM, Baoquan He wrote:
> Currently kaslr only randomize physical address of kernel loading, then add
> the delta
> to virtual address of kernel text mapping. Because kernel virtual address can
> only be
> from __START_KERNEL_map to
>
On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
> On 01/20/2015 07:37 PM, Baoquan He wrote:
> > Currently kaslr only randomize physical address of kernel loading, then add
> > the delta
> > to virtual address of kernel text mapping. Because kernel virtual address
> > can only be
> > from
On 01/20/2015 07:37 PM, Baoquan He wrote:
> Currently kaslr only randomize physical address of kernel loading, then add
> the delta
> to virtual address of kernel text mapping. Because kernel virtual address can
> only be
> from __START_KERNEL_map to
>
Currently kaslr only randomize physical address of kernel loading, then add the
delta
to virtual address of kernel text mapping. Because kernel virtual address can
only be
from __START_KERNEL_map to LOAD_PHYSICAL_ADDR+CONFIG_RANDOMIZE_BASE_MAX_OFFSET,
namely
[0x8000,
Currently kaslr only randomize physical address of kernel loading, then add the
delta
to virtual address of kernel text mapping. Because kernel virtual address can
only be
from __START_KERNEL_map to LOAD_PHYSICAL_ADDR+CONFIG_RANDOMIZE_BASE_MAX_OFFSET,
namely
[0x8000,
On 01/20/2015 07:37 PM, Baoquan He wrote:
Currently kaslr only randomize physical address of kernel loading, then add
the delta
to virtual address of kernel text mapping. Because kernel virtual address can
only be
from __START_KERNEL_map to
On 01/20/15 at 08:19pm, Andy Lutomirski wrote:
On 01/20/2015 07:37 PM, Baoquan He wrote:
Currently kaslr only randomize physical address of kernel loading, then add
the delta
to virtual address of kernel text mapping. Because kernel virtual address
can only be
from __START_KERNEL_map
On Tue, Jan 20, 2015 at 7:37 PM, Baoquan He b...@redhat.com wrote:
Currently kaslr only randomize physical address of kernel loading, then add
the delta
to virtual address of kernel text mapping. Because kernel virtual address can
only be
from __START_KERNEL_map to
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