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path: root/drivers/firmware/efi
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Diffstat (limited to 'drivers/firmware/efi')
-rw-r--r--drivers/firmware/efi/efi.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 703a019d81b4..a35230517f9c 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -47,6 +47,7 @@ EXPORT_SYMBOL(efi);
static unsigned long __ro_after_init rng_seed = EFI_INVALID_TABLE_ADDR;
static unsigned long __initdata mem_reserve = EFI_INVALID_TABLE_ADDR;
+static unsigned long __initdata rt_prop = EFI_INVALID_TABLE_ADDR;
struct mm_struct efi_mm = {
.mm_rb = RB_ROOT,
@@ -449,6 +450,7 @@ static const efi_config_table_type_t common_tables[] __initconst = {
{LINUX_EFI_TPM_EVENT_LOG_GUID, "TPMEventLog", &efi.tpm_log},
{LINUX_EFI_TPM_FINAL_LOG_GUID, "TPMFinalLog", &efi.tpm_final_log},
{LINUX_EFI_MEMRESERVE_TABLE_GUID, "MEMRESERVE", &mem_reserve},
+ {EFI_RT_PROPERTIES_TABLE_GUID, "RTPROP", &rt_prop},
#ifdef CONFIG_EFI_RCI2_TABLE
{DELLEMC_EFI_RCI2_TABLE_GUID, NULL, &rci2_table_phys},
#endif
@@ -575,6 +577,16 @@ int __init efi_config_parse_tables(const efi_config_table_t *config_tables,
}
}
+ if (rt_prop != EFI_INVALID_TABLE_ADDR) {
+ efi_rt_properties_table_t *tbl;
+
+ tbl = early_memremap(rt_prop, sizeof(*tbl));
+ if (tbl) {
+ efi.runtime_supported_mask &= tbl->runtime_services_supported;
+ early_memunmap(tbl, sizeof(*tbl));
+ }
+ }
+
return 0;
}