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Filename Latest commit message Latest commit date
Eric Auger a6229d1b5c KVM: arm64: pmu: Don't increment SW_INCR if PMCR.E is unset
commit 3837407c1aa1101ed5e214c7d6041e7a23335c6e upstream.

The specification says PMSWINC increments PMEVCNTR<n>_EL1 by 1
if PMEVCNTR<n>_EL0 is enabled and configured to count SW_INCR.

For PMEVCNTR<n>_EL0 to be enabled, we need both PMCNTENSET to
be set for the corresponding event counter but we also need
the PMCR.E bit to be set.

Fixes: 7a0adc7064 ("arm64: KVM: Add access handler for PMSWINC register")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200124142535.29386-2-eric.auger@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-14 16:34:17 -05:00
arch arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations 2020-02-14 16:34:17 -05:00
block
certs
crypto
Documentation
drivers iommu/arm-smmu-v3: Populate VMID field for CMDQ_OP_TLBI_NH_VA 2020-02-14 16:34:16 -05:00
fs NFSv4.0: nfs4_do_fsinfo() should not do implicit lease renewals 2020-02-14 16:34:11 -05:00
include RDMA/uverbs: Verify MR access flags 2020-02-14 16:34:08 -05:00
init
ipc
kernel sched/uclamp: Fix a bug in propagating uclamp value in new cgroups 2020-02-14 16:34:17 -05:00
lib
LICENSES
mm
net bpf, sockmap: Check update requirements after locking 2020-02-14 16:34:10 -05:00
samples
scripts
security
sound
tools tools/power/acpi: fix compilation error 2020-02-14 16:34:15 -05:00
usr
virt KVM: arm64: pmu: Don't increment SW_INCR if PMCR.E is unset 2020-02-14 16:34:17 -05:00
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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.