Re: [RFC v2 04/12] xen/arm32: head: Remove restriction where to load Xen

2022-12-06 Thread Julien Grall
Hi Luca, On 25/11/2022 15:50, Luca Fancellu wrote: On 17 Nov 2022, at 20:18, Julien Grall wrote: Hi Luca, On 25/10/2022 12:56, Luca Fancellu wrote: On 22 Oct 2022, at 16:04, Julien Grall wrote: From: Julien Grall At the moment, bootloaders can load Xen anywhere in memory but the regio

Re: [RFC v2 04/12] xen/arm32: head: Remove restriction where to load Xen

2022-11-25 Thread Luca Fancellu
> On 17 Nov 2022, at 20:18, Julien Grall wrote: > > Hi Luca, > > On 25/10/2022 12:56, Luca Fancellu wrote: >>> On 22 Oct 2022, at 16:04, Julien Grall wrote: >>> >>> From: Julien Grall >>> >>> At the moment, bootloaders can load Xen anywhere in memory but the >>> region 2MB - 4MB. While I a

Re: [RFC v2 04/12] xen/arm32: head: Remove restriction where to load Xen

2022-11-17 Thread Julien Grall
Hi Luca, On 25/10/2022 12:56, Luca Fancellu wrote: On 22 Oct 2022, at 16:04, Julien Grall wrote: From: Julien Grall At the moment, bootloaders can load Xen anywhere in memory but the region 2MB - 4MB. While I am not aware of any issue, we have no way to tell the bootloader to avoid that r

Re: [RFC v2 04/12] xen/arm32: head: Remove restriction where to load Xen

2022-10-25 Thread Luca Fancellu
> On 22 Oct 2022, at 16:04, Julien Grall wrote: > > From: Julien Grall > > At the moment, bootloaders can load Xen anywhere in memory but the > region 2MB - 4MB. While I am not aware of any issue, we have no way > to tell the bootloader to avoid that region. > > In addition to that, in the f

[RFC v2 04/12] xen/arm32: head: Remove restriction where to load Xen

2022-10-22 Thread Julien Grall
From: Julien Grall At the moment, bootloaders can load Xen anywhere in memory but the region 2MB - 4MB. While I am not aware of any issue, we have no way to tell the bootloader to avoid that region. In addition to that, in the future, Xen may grow over 2MB if we enable feature like UBSAN or GCOV