[PATCH 05/22] x86/srat: vmap the pages for acpi_slit

[Julien Grall <julien@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>
Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>

----

    Changes since Hongyan's version:
        * vmap_boot_pages() was renamed to vmap_contig_pages()
---
 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 56749ddca526..1fd178e89d28 100644
--- a/xen/arch/x86/srat.c
+++ b/xen/arch/x86/srat.c
@@ -139,7 +139,8 @@ 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_contig_pages(mfn, PFN_UP(slit->header.length));
+       BUG_ON(!acpi_slit);
        memcpy(acpi_slit, slit, slit->header.length);
 }
 
-- 
2.38.1