[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] x86/srat: vmap the pages for acpi_slit
commit 8ac8999d7011c4339a14ce01f2a9d1e6801eefb1 Author: Hongyan Xia <hongyxia@xxxxxxxxxx> AuthorDate: Tue Feb 6 11:55:49 2024 +0100 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Tue Feb 6 11:55:49 2024 +0100 x86/srat: vmap the pages for acpi_slit 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> Signed-off-by: Elias El Yandouzi <eliasely@xxxxxxxxxx> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> --- xen/arch/x86/srat.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/srat.c b/xen/arch/x86/srat.c index 3f70338e6e..688f410287 100644 --- a/xen/arch/x86/srat.c +++ b/xen/arch/x86/srat.c @@ -135,7 +135,9 @@ 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(mfn, PFN_UP(slit->header.length)); + if ( !acpi_slit ) + panic("Unable to map the ACPI SLIT. Retry with numa=off"); memcpy(acpi_slit, slit, slit->header.length); } -- generated by git-patchbot for /home/xen/git/xen.git#master
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