Re: [Xen-devel] [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable

Hello Peng, On 01/06/16 08:40, Peng Fan wrote: On Tue, May 31, 2016 at 06:08:38PM +0100, Julien Grall wrote: On 31/05/16 10:58, Peng Fan wrote: So, need to make sure boot pages are ready before setup xenheap mappings. init_boot_pages is using mfn_to_virt (see bootmem_region_add), which

Re: [Xen-devel] [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable

Hi Julien, On Tue, May 31, 2016 at 06:08:38PM +0100, Julien Grall wrote: >Hi Peng, > >On 31/05/16 10:58, Peng Fan wrote: >>> So, need to make sure boot pages are ready before setup xenheap mappings. >>> >>>init_boot_pages is using mfn_to_virt (see bootmem_region_add), which cannot >>>work

Re: [Xen-devel] [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable

Hi Peng, On 31/05/16 10:58, Peng Fan wrote: So, need to make sure boot pages are ready before setup xenheap mappings. init_boot_pages is using mfn_to_virt (see bootmem_region_add), which cannot work until xenheap_mfn_start is initialized. This is done by setup_xenheap_mappings. My bad. I

Re: [Xen-devel] [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable

Hi Julien, On Mon, May 30, 2016 at 10:53:24PM +0100, Julien Grall wrote: >Hi Peng, > >On 27/05/2016 06:31, Peng Fan wrote: >>To ARM64, setup_xenheap_mappings may call alloc_boot_pages to allocate >>first level page table, if there is a big chunk memory (ie, >512GB). > >Out of interest, have you

Re: [Xen-devel] [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable

Hi Peng, On 27/05/2016 06:31, Peng Fan wrote: To ARM64, setup_xenheap_mappings may call alloc_boot_pages to allocate first level page table, if there is a big chunk memory (ie, >512GB). Out of interest, have you found the bug by testing Xen on a platform with 512GB of RAM? :) So, need to

[Xen-devel] [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable

To ARM64, setup_xenheap_mappings may call alloc_boot_pages to allocate first level page table, if there is a big chunk memory (ie, >512GB). So, need to make sure boot pages are ready before setup xenheap mappings. Signed-off-by: Peng Fan Cc: Julien Grall