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[Xen-devel] [PATCH 0/2] ACPI: fixes to acpi_os_map_memory()

  • To: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: "Jan Beulich" <JBeulich@xxxxxxxx>
  • Date: Tue, 20 Aug 2013 15:44:17 +0100
  • Delivery-date: Tue, 20 Aug 2013 14:44:42 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

1: ACPI: fix acpi_os_map_memory()
2: ACPI: use ioremap() in acpi_os_map_memory()

While this could have been done in one step for unstable, backports to
older trees (where we don't have a proper ioremap()) will become better
aligned with the unstable commits this way - the first patch can be
backported, while the second would at most go into 4.3-testing.

This fixes booting on upcoming systems of a vendor who couldn't make
up their minds whether they would want to be named here (and hence
I'm keeping them anonymous), where various of the ACPI registers
traditionally located in I/O space show up in "System Memory" instead.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

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