From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
kvm@vger.kernel.org
Cc: James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Zenghui Yu <yuzenghui@huawei.com>,
Joey Gouly <joey.gouly@arm.com>
Subject: Re: [PATCH 4/4] KVM: arm64: Honor trap routing for TCR2_EL1
Date: Tue, 25 Jun 2024 14:09:40 +0100 [thread overview]
Message-ID: <95089bc5144ead3a4f195dbff159491f@kernel.org> (raw)
In-Reply-To: <20240625130042.259175-5-maz@kernel.org>
On 2024-06-25 14:00, Marc Zyngier wrote:
> TCR2_EL1 handling is missing the handling of its trap configuration:
>
> - HCRX_EL2.TCR2En must be handled in conjunction with
> HCR_EL2.{TVM,TRVM}
>
> - HFG{R,W}TR_EL2.TCR_EL1 does apply to TCR2_EL1 as well
>
> Without these two controls being implemented, it is impossible to
> correctly route TCR2_EL1 traps.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> ---
> arch/arm64/kvm/emulate-nested.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
Gahh, stale staging directory, please ignore this patch (5/5 is the
same).
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2024-06-25 13:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-25 13:00 [PATCH 0/5] KVM: arm64: Fix handling of TCR2_EL1 Marc Zyngier
2024-06-25 13:00 ` [PATCH 1/5] KVM: arm64: Correctly honor the presence of FEAT_TCRX Marc Zyngier
2024-06-25 14:37 ` Joey Gouly
2024-06-25 18:22 ` Marc Zyngier
2024-06-26 23:55 ` Oliver Upton
2024-06-25 13:00 ` [PATCH 2/5] KVM: arm64: Get rid of HCRX_GUEST_FLAGS Marc Zyngier
2024-06-25 14:40 ` Joey Gouly
2024-06-25 13:00 ` [PATCH 3/5] KVM: arm64: Make TCR2_EL1 save/restore dependent on the VM features Marc Zyngier
2024-06-25 13:00 ` [PATCH 4/4] KVM: arm64: Honor trap routing for TCR2_EL1 Marc Zyngier
2024-06-25 13:09 ` Marc Zyngier [this message]
2024-06-25 13:00 ` [PATCH 4/5] KVM: arm64: Make PIR{,E0}_EL1 save/restore conditional on FEAT_TCRX Marc Zyngier
2024-06-25 13:00 ` [PATCH 5/5] KVM: arm64: Honor trap routing for TCR2_EL1 Marc Zyngier
2024-06-28 19:13 ` [PATCH 0/5] KVM: arm64: Fix handling of TCR2_EL1 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=95089bc5144ead3a4f195dbff159491f@kernel.org \
--to=maz@kernel.org \
--cc=james.morse@arm.com \
--cc=joey.gouly@arm.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=oliver.upton@linux.dev \
--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;
as well as URLs for NNTP newsgroup(s).