[src/netbsd-9]: src/sys/dev/pci/ixgbe Pull up following revision(s) (requeste...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ab545effc5b5
branches:  netbsd-9
changeset: 366074:ab545effc5b5
user:      martin <martin%NetBSD.org@localhost>
date:      Fri May 13 11:18:40 2022 +0000

description:
Pull up following revision(s) (requested by bouyer in ticket #1445):

        sys/dev/pci/ixgbe/ix_txrx.c: revision 1.98

bus_dmamem_unmap() before bus_dmamem_free(), otherwise we may give back meomry
which is still (and will stay) mapped.

Fixes one instance of "panic: HYPERVISOR_mmu_update failed" on Xen.
There may be others.

diffstat:

 sys/dev/pci/ixgbe/ix_txrx.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r c48ed3e162a9 -r ab545effc5b5 sys/dev/pci/ixgbe/ix_txrx.c
--- a/sys/dev/pci/ixgbe/ix_txrx.c       Fri May 13 11:12:49 2022 +0000
+++ b/sys/dev/pci/ixgbe/ix_txrx.c       Fri May 13 11:18:40 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ix_txrx.c,v 1.54.2.8 2022/02/02 14:25:49 martin Exp $ */
+/* $NetBSD: ix_txrx.c,v 1.54.2.9 2022/05/13 11:18:40 martin Exp $ */
 
 /******************************************************************************
 
@@ -64,7 +64,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ix_txrx.c,v 1.54.2.8 2022/02/02 14:25:49 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ix_txrx.c,v 1.54.2.9 2022/05/13 11:18:40 martin Exp $");
 
 #include "opt_inet.h"
 #include "opt_inet6.h"
@@ -2321,6 +2321,7 @@
        bus_dmamap_sync(dma->dma_tag->dt_dmat, dma->dma_map, 0, dma->dma_size,
            BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
        ixgbe_dmamap_unload(dma->dma_tag, dma->dma_map);
+       bus_dmamem_unmap(dma->dma_tag->dt_dmat, dma->dma_vaddr, dma->dma_size);
        bus_dmamem_free(dma->dma_tag->dt_dmat, &dma->dma_seg, 1);
        ixgbe_dma_tag_destroy(dma->dma_tag);
 } /* ixgbe_dma_free */