From: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Andrew Scull <ascull@google.com>, Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Quentin Perret <qperret@google.com>,
David Brazdil <dbrazdil@google.com>,
kernel-team@android.com
Subject: Re: [PATCH v2 11/11] KVM: arm64: Get rid of the AArch32 register mapping code
Date: Thu, 23 May 2024 18:19:38 +0200 [thread overview]
Message-ID: <678f6b8fe42f7a39eba4090a12a618cdbc710fa5.camel@linux.ibm.com> (raw)
In-Reply-To: <86le40ms5m.wl-maz@kernel.org>
On Thu, 2024-05-23 at 17:04 +0100, Marc Zyngier wrote:
> Hi Nina,
>
> On Thu, 23 May 2024 15:25:21 +0100,
> Nina Schoetterl-Glausch <nsg@linux.ibm.com> wrote:
> >
> > On Mon, 2020-11-02 at 16:40 +0000, Marc Zyngier wrote:
>
> Wow, you're digging out the old dregs... But it is worth it!
[...]
> Amazing. Thanks for spotting this. This is indeed broken. I guess this
> was not spotted because userspace is not totally broken itself.
So it's an actual bug and not just doing more work than necessary?
Could corrupt the regs of a 64bit kernel?
>
> Do you want to submit a fix adding the masking back? or should I do it
> myself?
You go ahead and do it :)
>
> Thanks again,
>
> M.
>
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next prev parent reply other threads:[~2024-05-23 16:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 16:40 [PATCH v2 00/11] KVM: arm64: Move PC/ELR/SPSR/PSTATE updatess to EL2 Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 01/11] KVM: arm64: Don't adjust PC on SError during SMC trap Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 02/11] KVM: arm64: Move kvm_vcpu_trap_il_is32bit into kvm_skip_instr32() Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 03/11] KVM: arm64: Make kvm_skip_instr() and co private to HYP Marc Zyngier
2021-05-05 14:23 ` Zenghui Yu
2021-05-05 16:46 ` Marc Zyngier
2021-05-06 6:33 ` Marc Zyngier
2021-05-06 11:43 ` Zenghui Yu
2021-05-06 14:29 ` Marc Zyngier
2021-05-09 13:07 ` Zenghui Yu
2021-05-10 7:59 ` Marc Zyngier
2021-05-06 17:17 ` Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 04/11] KVM: arm64: Move PC rollback on SError " Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 05/11] KVM: arm64: Move VHE direct sysreg accessors into kvm_host.h Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 06/11] KVM: arm64: Add basic hooks for injecting exceptions from EL2 Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 07/11] KVM: arm64: Inject AArch64 exceptions from HYP Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 08/11] KVM: arm64: Inject AArch32 " Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 09/11] KVM: arm64: Remove SPSR manipulation primitives Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 10/11] KVM: arm64: Consolidate exception injection Marc Zyngier
2020-11-02 16:40 ` [PATCH v2 11/11] KVM: arm64: Get rid of the AArch32 register mapping code Marc Zyngier
2024-05-23 14:25 ` Nina Schoetterl-Glausch
2024-05-23 16:04 ` Marc Zyngier
2024-05-23 16:19 ` Nina Schoetterl-Glausch [this message]
2024-05-23 18:18 ` Marc Zyngier
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