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[Qemu-devel] [PATCH v2 0/4] fw_cfg: add DMA operations & etc/vmcoreinfo
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v2 0/4] fw_cfg: add DMA operations & etc/vmcoreinfo support |
Date: |
Tue, 19 Sep 2017 13:58:10 +0200 |
From: Marc-André Lureau <address@hidden>
Hi,
This series brings DMA operations support to the fw_cfg kernel module
and provide "etc/vmcoreinfo" support.
At the current iteration of "[Qemu-devel] [PATCH v6 0/7] KASLR kernel
dump support" patch series, a "etc/vmcoreinfo" entry is added with
qemu -device vmcoreinfo, where the guest during boot or later, can
write the addr/size location of a ELF note to be appended in the qemu
dump.
v2:
- use platform device for dma mapping
- add etc/vmcoreinfo patch
- some code cleanups
Marc-André Lureau (4):
fw_cfg: add DMA register
fw_cfg: do DMA read operation
fw_cfg: write vmcoreinfo details
RFC: fw_cfg: add DMA write operation in sysfs
drivers/firmware/qemu_fw_cfg.c | 284 ++++++++++++++++++++++++++++++++++++-----
1 file changed, 254 insertions(+), 30 deletions(-)
--
2.14.1.146.gd35faa819
- [Qemu-devel] [PATCH v2 0/4] fw_cfg: add DMA operations & etc/vmcoreinfo support,
marcandre . lureau <=