[GIT,PULL] KVM/arm fixes for 5.4-rc5
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Message ID 20191020101129.2612-1-maz@kernel.org
State New
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  • [GIT,PULL] KVM/arm fixes for 5.4-rc5
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Pull-request

git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.4-2

Message

Marc Zyngier Oct. 20, 2019, 10:11 a.m. UTC
Paolo, Radim,

Here's the latest (and hopefully last) set of KVM/arm fixes for
5.4. 4 patches exclusively covering our PMU emulation, which exhibited
several different flavours of brokenness.

Please pull,

	M.

The following changes since commit da0c9ea146cbe92b832f1b0f694840ea8eb33cce:

  Linux 5.4-rc2 (2019-10-06 14:27:30 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.4-2

for you to fetch changes up to 8c3252c06516eac22c4f8e2506122171abedcc09:

  KVM: arm64: pmu: Reset sample period on overflow handling (2019-10-20 10:47:07 +0100)

----------------------------------------------------------------
KVM/arm fixes for 5.4, take #2

Special PMU edition:

- Fix cycle counter truncation
- Fix cycle counter overflow limit on pure 64bit system
- Allow chained events to be actually functional
- Correct sample period after overflow

----------------------------------------------------------------
Marc Zyngier (4):
      KVM: arm64: pmu: Fix cycle counter truncation
      arm64: KVM: Handle PMCR_EL0.LC as RES1 on pure AArch64 systems
      KVM: arm64: pmu: Set the CHAINED attribute before creating the in-kernel event
      KVM: arm64: pmu: Reset sample period on overflow handling

 arch/arm64/kvm/sys_regs.c |  4 ++++
 virt/kvm/arm/pmu.c        | 48 ++++++++++++++++++++++++++++++++++-------------
 2 files changed, 39 insertions(+), 13 deletions(-)

Comments

Paolo Bonzini Oct. 22, 2019, 11:34 a.m. UTC | #1
On 20/10/19 12:11, Marc Zyngier wrote:
> Paolo, Radim,
> 
> Here's the latest (and hopefully last) set of KVM/arm fixes for
> 5.4. 4 patches exclusively covering our PMU emulation, which exhibited
> several different flavours of brokenness.
> 
> Please pull,
> 
> 	M.
> 
> The following changes since commit da0c9ea146cbe92b832f1b0f694840ea8eb33cce:
> 
>   Linux 5.4-rc2 (2019-10-06 14:27:30 -0700)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.4-2
> 
> for you to fetch changes up to 8c3252c06516eac22c4f8e2506122171abedcc09:
> 
>   KVM: arm64: pmu: Reset sample period on overflow handling (2019-10-20 10:47:07 +0100)
> 
> ----------------------------------------------------------------
> KVM/arm fixes for 5.4, take #2
> 
> Special PMU edition:
> 
> - Fix cycle counter truncation
> - Fix cycle counter overflow limit on pure 64bit system
> - Allow chained events to be actually functional
> - Correct sample period after overflow
> 
> ----------------------------------------------------------------
> Marc Zyngier (4):
>       KVM: arm64: pmu: Fix cycle counter truncation
>       arm64: KVM: Handle PMCR_EL0.LC as RES1 on pure AArch64 systems
>       KVM: arm64: pmu: Set the CHAINED attribute before creating the in-kernel event
>       KVM: arm64: pmu: Reset sample period on overflow handling
> 
>  arch/arm64/kvm/sys_regs.c |  4 ++++
>  virt/kvm/arm/pmu.c        | 48 ++++++++++++++++++++++++++++++++++-------------
>  2 files changed, 39 insertions(+), 13 deletions(-)
> 

Pulled, thanks.

Paolo