OrgACRN
/
acrn-hypervisor
mirror of https://github.com/projectacrn/acrn-hypervisor.git
1
0
Fork 0
Code Issues Releases Wiki Activity

hv: Make reserved regions in E820 table to Supervisor pages 

On platforms that put ACPI RSDT in "Reserved" type memory, ACRN
fails to parse RSDP and therefore ACPI Tables. This patch adds
"Reserved" memory regions in E820 as Supervisor pages.

Tracked-On: #2320
Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
This commit is contained in:
Sainath Grandhi 2019-01-12 00:10:01 -08:00 committed by wenlingz
parent 4322b02468
commit c9b617485f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hypervisor/arch/x86/mmu.c
View File

@ -306,7 +306,7 @@ void init_paging(void)
#ifdef CONFIG_DMAR_PARSE_ENABLED
for (i = 0U; i < entries_count; i++) {
entry = p_e820 + i;
if (entry->type == E820_TYPE_ACPI_RECLAIM) {
if ((entry->type == E820_TYPE_ACPI_RECLAIM) || (entry->type == E820_TYPE_RESERVED)) {
hv_access_memory_region_update(entry->baseaddr, entry->length);
}
}