[SeaBIOS] [PATCH 0/4] Avoid using f-segment memory for virtio
Paolo Bonzini
pbonzini at redhat.com
Wed Sep 27 16:49:50 CEST 2017
On 11/07/2017 18:50, Kevin O'Connor wrote:
> This series updates the generic code so that either "low" memory or
> the f-segment can be used for storing drive mapping information. It
> also updates the virtio code to use "low" memory for its allocations.
> I think there is a good chance this series will, in practice, avoid
> running out of memory when a large number of virtio drives are
> available.
>
> There are other ways to tackle this problem (eg, more of the virtio
> storage could be moved into "high" memory), but I think this approach
> has the benefit of avoiding a "big bang" patch series.
>
> Comments welcome.
Tested-by: Paolo Bonzini <pbonzini at redhat.com>
Thank you very much for the fix! It would be nice to have it in 1.11.
Paolo
> -Kevin
>
>
> Kevin O'Connor (4):
> boot: Rename drive_g to drive
> disk: Don't require the 'struct drive_s' to be in the f-segment
> block: Rename disk_op_s->drive_gf to drive_fl
> virtio: Allocate drive_s storage in low memory
>
> src/block.c | 36 ++++-----
> src/block.h | 2 +-
> src/boot.c | 16 ++--
> src/cdrom.c | 6 +-
> src/disk.c | 218 +++++++++++++++++++++++++--------------------------
> src/hw/ahci.c | 4 +-
> src/hw/ata.c | 26 +++---
> src/hw/blockcmd.c | 10 +--
> src/hw/esp-scsi.c | 2 +-
> src/hw/floppy.c | 20 ++---
> src/hw/lsi-scsi.c | 2 +-
> src/hw/megasas.c | 2 +-
> src/hw/mpt-scsi.c | 2 +-
> src/hw/nvme.c | 2 +-
> src/hw/pvscsi.c | 2 +-
> src/hw/ramdisk.c | 2 +-
> src/hw/sdcard.c | 2 +-
> src/hw/usb-msc.c | 4 +-
> src/hw/usb-uas.c | 2 +-
> src/hw/virtio-blk.c | 14 ++--
> src/hw/virtio-ring.c | 1 -
> src/hw/virtio-scsi.c | 5 +-
> 22 files changed, 189 insertions(+), 191 deletions(-)
>
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