From: Oliver Upton <oliver.upton@linux.dev>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: kvmarm@lists.linux.dev, Marc Zyngier <maz@kernel.org>,
Joey Gouly <joey.gouly@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Mingwei Zhang <mizhang@google.com>,
Colton Lewis <coltonlewis@google.com>,
Alexandru Elisei <alexandru.elisei@arm.com>
Subject: Re: [PATCH 02/15] KVM: arm64: Get rid of __kvm_get_mdcr_el2() and related warts
Date: Mon, 11 Nov 2024 23:22:01 -0800 [thread overview]
Message-ID: <ZzMCGae4WjupjCGe@linux.dev> (raw)
In-Reply-To: <5e7c19e2-e932-4664-9a9a-232623464a9b@arm.com>
Hey Suzuki,
On Mon, Nov 11, 2024 at 11:00:11AM +0000, Suzuki K Poulose wrote:
> > /**
> > * kvm_arm_setup_mdcr_el2 - configure vcpu mdcr_el2 value
> > *
> > @@ -94,7 +77,8 @@ static void kvm_arm_setup_mdcr_el2(struct kvm_vcpu *vcpu)
> > * This also clears MDCR_EL2_E2PB_MASK and MDCR_EL2_E2TB_MASK
> > * to disable guest access to the profiling and trace buffers
> > */
> > - vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
> > + vcpu->arch.mdcr_el2 = FIELD_PREP(ARMV8_PMU_PMCR_N,
>
> Shouldn't this be : MDCR_EL2_HPMN_MASK ?
Yep, I got a few wires crossed in this patch clearly. Thanks for
spotting them!
--
Thanks,
Oliver
next prev parent reply other threads:[~2024-11-12 7:22 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-08 22:24 [PATCH 00/15] KVM: arm64: Debug cleanups Oliver Upton
2024-11-08 22:24 ` [PATCH 01/15] KVM: arm64: Drop MDSCR_EL1_DEBUG_MASK Oliver Upton
2024-11-08 22:24 ` [PATCH 02/15] KVM: arm64: Get rid of __kvm_get_mdcr_el2() and related warts Oliver Upton
2024-11-11 11:00 ` Suzuki K Poulose
2024-11-12 7:22 ` Oliver Upton [this message]
2024-11-08 22:24 ` [PATCH 03/15] KVM: arm64: Track presence of SPE/TRBE in kvm_host_data instead of vCPU Oliver Upton
2024-11-11 13:47 ` Suzuki K Poulose
2024-11-11 15:58 ` Suzuki K Poulose
2024-11-11 16:09 ` James Clark
2024-11-11 18:17 ` Oliver Upton
2024-11-08 22:24 ` [PATCH 04/15] KVM: arm64: Move host SME/SVE tracking flags to host data Oliver Upton
2024-11-09 11:39 ` Marc Zyngier
2024-11-08 22:24 ` [PATCH 05/15] KVM: arm64: Evaluate debug owner at vcpu_load() Oliver Upton
2024-11-08 22:24 ` [PATCH 06/15] KVM: arm64: Advance debug_owner state machine for sysreg traps Oliver Upton
2024-11-09 11:47 ` Marc Zyngier
2024-11-08 22:24 ` [PATCH 07/15] KVM: arm64: Clean up KVM_SET_GUEST_DEBUG handler Oliver Upton
2024-11-08 22:24 ` [PATCH 08/15] KVM: arm64: Select debug state to save/restore based on debug owner Oliver Upton
2024-11-09 11:57 ` Marc Zyngier
2024-11-09 17:13 ` Oliver Upton
2024-11-08 22:24 ` [PATCH 09/15] KVM: arm64: Remove debug tracepoints Oliver Upton
2024-11-09 12:02 ` Marc Zyngier
2024-11-09 13:17 ` Marc Zyngier
2024-11-08 22:24 ` [PATCH 10/15] KVM: arm64: Remove vestiges of debug_ptr Oliver Upton
2024-11-08 22:24 ` [PATCH 11/15] KVM: arm64: Use debug_owner to track if debug regs need save/restore Oliver Upton
2024-11-09 12:11 ` Marc Zyngier
2024-11-09 17:18 ` Oliver Upton
2024-11-09 22:37 ` Marc Zyngier
2024-11-09 23:46 ` Oliver Upton
2024-11-08 22:24 ` [PATCH 12/15] KVM: arm64: Reload vCPU for accesses to OSLAR_EL1 Oliver Upton
2024-11-08 22:24 ` [PATCH 13/15] KVM: arm64: Compute MDCR_EL2 at vcpu_load() Oliver Upton
2024-11-09 12:28 ` Marc Zyngier
2024-11-08 22:24 ` [PATCH 14/15] KVM: arm64: Don't hijack guest context MDSCR_EL1 Oliver Upton
2024-11-09 12:59 ` Marc Zyngier
2024-11-08 22:24 ` [PATCH 15/15] KVM: arm64: Manage software step state at load/put Oliver Upton
2024-11-09 13:13 ` [PATCH 00/15] KVM: arm64: Debug cleanups Marc Zyngier
2024-11-09 17:08 ` Oliver Upton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ZzMCGae4WjupjCGe@linux.dev \
--to=oliver.upton@linux.dev \
--cc=alexandru.elisei@arm.com \
--cc=coltonlewis@google.com \
--cc=joey.gouly@arm.com \
--cc=kvmarm@lists.linux.dev \
--cc=maz@kernel.org \
--cc=mizhang@google.com \
--cc=suzuki.poulose@arm.com \
--cc=yuzenghui@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox