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[RFC PATCH-for-5.1? v3 0/2] hw/isa: Allow 8/16/32 bit access on ISA bus
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From: |
Philippe Mathieu-Daudé |
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Subject: |
[RFC PATCH-for-5.1? v3 0/2] hw/isa: Allow 8/16/32 bit access on ISA bus after CVE-2020-13754 fix |
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Date: |
Tue, 21 Jul 2020 14:31:52 +0200 |
Surgical attempt to fix the issue, as we are in freeze...
If such kludge is tolerable, it must be reverted first thing
after release.
Fixes:
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https://lore.kernel.org/xen-devel/20200630170913.123646-1-anthony.perard@citrix.com/T/
- https://bugs.debian.org/964793
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=964247
- https://bugs.launchpad.net/bugs/1886318
Philippe Mathieu-Daudé (2):
memory: Allow monkey-patching MemoryRegion access sizes
hw/isa/isa-bus: Ensure ISA I/O regions are 8/16/32-bit accessible
include/exec/memory.h | 7 ++++++-
hw/isa/isa-bus.c | 14 ++++++++++++++
softmmu/memory.c | 12 ++++++++----
3 files changed, 28 insertions(+), 5 deletions(-)
--
2.21.3
- [RFC PATCH-for-5.1? v3 0/2] hw/isa: Allow 8/16/32 bit access on ISA bus after CVE-2020-13754 fix,
Philippe Mathieu-Daudé <=
[RFC PATCH-for-5.1? v3 2/2] hw/isa/isa-bus: Ensure ISA I/O regions are 8/16/32-bit accessible, Philippe Mathieu-Daudé, 2020/07/21