| Date | Thu, 9 Dec 2021 16:20:55 +0100 | Subject | Re: [PATCH 09/32] s390/pci: export some routines related to RPCIT processing | From | Christian Borntraeger <> |
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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@linux.ibm.com> > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Makes sense
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
> --- > 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) >
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