On Wed, Jan 29, 2020 at 03:59:32PM +0100, Jan Beulich wrote:
[...]
> >> I seem to recall recommending to export absolute symbols from
> >> assembly code. The question is how easily usable they would
> >> be from C, or how clumsy the resulting code would look.
> >
> > Even if I use absolute symbol
On 29.01.2020 15:42, Wei Liu wrote:
> On Tue, Jan 28, 2020 at 04:38:42PM +0100, Jan Beulich wrote:
>> On 28.01.2020 16:15, Wei Liu wrote:
>>> On Thu, Jan 23, 2020 at 12:04:00PM +0100, Jan Beulich wrote:
On 22.01.2020 21:23, Wei Liu wrote:
> This allows us to set aside some address space fo
On Tue, Jan 28, 2020 at 04:38:42PM +0100, Jan Beulich wrote:
> On 28.01.2020 16:15, Wei Liu wrote:
> > On Thu, Jan 23, 2020 at 12:04:00PM +0100, Jan Beulich wrote:
> >> On 22.01.2020 21:23, Wei Liu wrote:
> >>> This allows us to set aside some address space for executable mapping.
> >>> This fixed
On 28.01.2020 16:15, Wei Liu wrote:
> On Thu, Jan 23, 2020 at 12:04:00PM +0100, Jan Beulich wrote:
>> On 22.01.2020 21:23, Wei Liu wrote:
>>> This allows us to set aside some address space for executable mapping.
>>> This fixed map range starts from XEN_VIRT_END so that it is within reach
>>> of th
On Thu, Jan 23, 2020 at 12:04:00PM +0100, Jan Beulich wrote:
> On 22.01.2020 21:23, Wei Liu wrote:
> > This allows us to set aside some address space for executable mapping.
> > This fixed map range starts from XEN_VIRT_END so that it is within reach
> > of the .text section.
> >
> > Shift the per
On Wed, Jan 22, 2020 at 08:56:55PM +, Andrew Cooper wrote:
> On 22/01/2020 20:23, Wei Liu wrote:
> > diff --git a/xen/arch/x86/boot/x86_64.S b/xen/arch/x86/boot/x86_64.S
> > index 1cbf5acdfb..605d01f1dd 100644
> > --- a/xen/arch/x86/boot/x86_64.S
> > +++ b/xen/arch/x86/boot/x86_64.S
> > @@ -85,
On 22.01.2020 21:23, Wei Liu wrote:
> This allows us to set aside some address space for executable mapping.
> This fixed map range starts from XEN_VIRT_END so that it is within reach
> of the .text section.
>
> Shift the percpu stub range and livepatch range accordingly.
Hmm, the livepatch range
On 22/01/2020 20:23, Wei Liu wrote:
> diff --git a/xen/arch/x86/boot/x86_64.S b/xen/arch/x86/boot/x86_64.S
> index 1cbf5acdfb..605d01f1dd 100644
> --- a/xen/arch/x86/boot/x86_64.S
> +++ b/xen/arch/x86/boot/x86_64.S
> @@ -85,7 +85,15 @@ GLOBAL(l2_directmap)
> * 4k page.
> */
Adjust this comment
This allows us to set aside some address space for executable mapping.
This fixed map range starts from XEN_VIRT_END so that it is within reach
of the .text section.
Shift the percpu stub range and livepatch range accordingly.
Signed-off-by: Wei Liu
---
xen/arch/x86/boot/x86_64.S | 10 +++
