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From:   =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
To:     linux-kernel@vger.kernel.org
Cc:     somlo@cmu.edu, qemu-devel@nongnu.org, mst@redhat.com,
        =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Subject: [PATCH v4 0/5] fw_cfg: add DMA operations & etc/vmcoreinfo support
Date:   Tue, 31 Oct 2017 16:19:33 +0100
Message-Id: <20171031151938.14982-1-marcandre.lureau@redhat.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

This series adds DMA operations support to the qemu fw_cfg kernel
module and populates "etc/vmcoreinfo" with vmcoreinfo location
details.

Note: the support for this entry handling has been merged for next
qemu release (2.11)

v4:
- export paddr_vmcoreinfo_note() to fix fw_cfg.ko build
- fix build with !CONFIG_CRASH_CORE
- replace the unbounded yield() loop with a usleep_range() loop and a
  200ms timeout
- do not write vmcoreinfo entry when running the kdump kernel (D. Hatayama)
- drop the experimental sysfs write support patch from this series

v3: (thanks kbuild)
- add "fw_cfg: fix the command line module name" patch
- fix build of "fw_cfg: add DMA register" with CONFIG_FW_CFG_SYSFS_CMDLINE=y
- fix 'Wshift-count-overflow'

v2:
- use platform device for dma mapping
- add etc/vmcoreinfo patch
- some code cleanups

Marc-André Lureau (5):
  fw_cfg: fix the command line module name
  fw_cfg: add DMA register
  fw_cfg: do DMA read operation
  crash: export paddr_vmcoreinfo_note()
  fw_cfg: write vmcoreinfo details

 drivers/firmware/qemu_fw_cfg.c | 292 +++++++++++++++++++++++++++++++++++++----
 kernel/crash_core.c            |   1 +
 2 files changed, 264 insertions(+), 29 deletions(-)

-- 
2.15.0.rc0.40.gaefcc5f6f


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