From: Alexandru Elisei <alexandru.elisei@arm.com>
To: maz@kernel.org, linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, james.morse@arm.com,
suzuki.poulose@arm.com, drjones@redhat.com
Subject: [PATCH v2 0/3] KVM: arm64: Minor improvements to RAZ register handling
Date: Mon, 11 Oct 2021 11:58:37 +0100 [thread overview]
Message-ID: <20211011105840.155815-1-alexandru.elisei@arm.com> (raw)
What sparked these small patches is the series that fixed the PMU reset
values and their visibility from userspace, more specifically the
discussion around the patch that removed the PMSWINC_EL0 shadow register
[1].
The patches are straightforward cleanups without any changes in
functionality.
Tested on a rockpro64, by running kvm-unit-tests under qemu.
Changes in v2:
* Added patch #3 ("KVM: arm64: Replace get_raz_id_reg() with get_raz_reg()"), as
suggested by Drew.
* Rebased on top of v5.15-rc5.
* Gathered Reviewed-by, thanks!
* A few small commit message changes to patch #1.
[1] https://www.spinics.net/lists/kvm-arm/msg47976.html
Alexandru Elisei (3):
KVM: arm64: Return early from read_id_reg() if register is RAZ
KVM: arm64: Use get_raz_reg() for userspace reads of PMSWINC_EL0
KVM: arm64: Replace get_raz_id_reg() with get_raz_reg()
arch/arm64/kvm/sys_regs.c | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
--
2.33.0
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next reply other threads:[~2021-10-11 10:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-11 10:58 Alexandru Elisei [this message]
2021-10-11 10:58 ` [PATCH v2 1/3] KVM: arm64: Return early from read_id_reg() if register is RAZ Alexandru Elisei
2021-10-11 10:58 ` [PATCH v2 2/3] KVM: arm64: Use get_raz_reg() for userspace reads of PMSWINC_EL0 Alexandru Elisei
2021-10-11 12:45 ` Andrew Jones
2021-10-11 10:58 ` [PATCH v2 3/3] KVM: arm64: Replace get_raz_id_reg() with get_raz_reg() Alexandru Elisei
2021-10-11 12:45 ` Andrew Jones
2021-10-11 13:17 ` [PATCH v2 0/3] KVM: arm64: Minor improvements to RAZ register handling Marc Zyngier
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