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Diffstat (limited to 'drivers/firmware/efi/efi.c')
| -rw-r--r-- | drivers/firmware/efi/efi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 19c1191e6210..d4023ea1ccff 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -541,6 +541,10 @@ void __init __weak efi_arch_mem_reserve(phys_addr_t addr, u64 size) {} */ void __init efi_mem_reserve(phys_addr_t addr, u64 size) { + /* efi_mem_reserve() does not work under Xen */ + if (WARN_ON_ONCE(efi_enabled(EFI_PARAVIRT))) + return; + if (!memblock_is_region_reserved(addr, size)) memblock_reserve(addr, size); |