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Andrew Jones e4e5a865e9 KVM: arm/arm64: Fix emulated ptimer irq injection
The emulated ptimer needs to track the level changes, otherwise the
the interrupt will never get deasserted, resulting in the guest getting
stuck in an interrupt storm if it enables ptimer interrupts. This was
found with kvm-unit-tests; the ptimer tests hung as soon as interrupts
were enabled. Typical Linux guests don't have a problem as they prefer
using the virtual timer.

Fixes: bee038a674 ("KVM: arm/arm64: Rework the timer code to use a timer_map")
Signed-off-by: Andrew Jones <drjones@redhat.com>
[Simplified the patch to res we only care about emulated timers here]
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2019-06-19 15:47:52 +01:00
arch KVM: arm64: Filter out invalid core register IDs in KVM_GET_REG_LIST 2019-06-12 15:53:55 +01:00
block
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Documentation Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
drivers Kbuild updates for v5.2 (2nd) 2019-05-19 11:53:58 -07:00
fs This pull request contains the following fixes for UBIFS: 2019-05-19 15:22:03 -07:00
include Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
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kernel Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
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mm Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
net
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scripts kconfig: use 'else ifneq' for Makefile to improve readability 2019-05-19 09:34:35 +09:00
security
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tools Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-19 11:20:22 -07:00
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virt KVM: arm/arm64: Fix emulated ptimer irq injection 2019-06-19 15:47:52 +01:00
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MAINTAINERS MAINTAINERS: KVM: arm/arm64: Remove myself as maintainer 2019-05-24 14:53:20 +01:00
Makefile Linux 5.2-rc1 2019-05-19 15:47:09 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.