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Subject[PATCH v2 2/4] s390/mm: Export force_dma_unencrypted
Date
From: Thomas Hellstrom <thellstrom@vmware.com>

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@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
---
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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