From: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
The force_dma_unencrypted symbol is needed by TTM to set up the correct
page protection when memory encryption is active. Export it.
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
Cc: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
---
arch/s390/mm/init.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 20340a03ad90..eec7cc303a31 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -165,6 +165,7 @@ bool force_dma_unencrypted(struct device *dev)
{
return sev_active();
}
+EXPORT_SYMBOL(force_dma_unencrypted);
/* protected virtualization */
static void pv_init(void)
--
2.20.1
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