[PATCH 04/16] x86/srat: vmap the pages for acpi_slit

[Hongyan Xia <hx242@xxxxxxx>]

From: Hongyan Xia <hongyxia@xxxxxxxxxx>

This avoids the assumption that boot pages are in the direct map.

Signed-off-by: Hongyan Xia <hongyxia@xxxxxxxxxx>
---
 xen/arch/x86/srat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/srat.c b/xen/arch/x86/srat.c
index 506a56d66b..9a84c6c8a8 100644
--- a/xen/arch/x86/srat.c
+++ b/xen/arch/x86/srat.c
@@ -196,7 +196,8 @@ void __init acpi_numa_slit_init(struct acpi_table_slit 
*slit)
                return;
        }
        mfn = alloc_boot_pages(PFN_UP(slit->header.length), 1);
-       acpi_slit = mfn_to_virt(mfn_x(mfn));
+       acpi_slit = vmap_boot_pages(mfn, PFN_UP(slit->header.length));
+       BUG_ON(!acpi_slit);
        memcpy(acpi_slit, slit, slit->header.length);
 }
 
-- 
2.24.1.AMZN