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-rw-r--r--arch/x86/realmode/init.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index f9bc444a3064..88be32026768 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -9,6 +9,7 @@
#include <asm/realmode.h>
#include <asm/tlbflush.h>
#include <asm/crash.h>
+#include <asm/msr.h>
#include <asm/sev.h>
struct real_mode_header *real_mode_header;
@@ -65,6 +66,8 @@ void __init reserve_real_mode(void)
* setup_arch().
*/
memblock_reserve(0, SZ_1M);
+
+ memblock_clear_kho_scratch(0, SZ_1M);
}
static void __init sme_sev_setup_real_mode(struct trampoline_header *th)
@@ -145,7 +148,7 @@ static void __init setup_real_mode(void)
* Some AMD processors will #GP(0) if EFER.LMA is set in WRMSR
* so we need to mask it out.
*/
- rdmsrl(MSR_EFER, efer);
+ rdmsrq(MSR_EFER, efer);
trampoline_header->efer = efer & ~EFER_LMA;
trampoline_header->start = (u64) secondary_startup_64;