Am 07.12.21 um 21:57 schrieb Matthew Rosato:
KVM will re-use dma_walk_cpu_trans to walk the host shadow table and
will also need to be able to call zpci_refresh_trans to re-issue a RPCIT.
Reviewed-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx>
Makes sense
Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
arch/s390/pci/pci_dma.c | 1 +
arch/s390/pci/pci_insn.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 1f4540d6bd2d..ae55f2f2ecd9 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -116,6 +116,7 @@ unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr)
px = calc_px(dma_addr);
return &pto[px];
}
+EXPORT_SYMBOL_GPL(dma_walk_cpu_trans);
void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags)
{
diff --git a/arch/s390/pci/pci_insn.c b/arch/s390/pci/pci_insn.c
index d1a8bd43ce26..0d1ab268ec24 100644
--- a/arch/s390/pci/pci_insn.c
+++ b/arch/s390/pci/pci_insn.c
@@ -95,6 +95,7 @@ int zpci_refresh_trans(u64 fn, u64 addr, u64 range)
return (cc) ? -EIO : 0;
}
+EXPORT_SYMBOL_GPL(zpci_refresh_trans);
/* Set Interruption Controls */
int zpci_set_irq_ctrl(u16 ctl, u8 isc, union zpci_sic_iib *iib)
