From: Jon Hunter <jonathanh@nvidia.com>
To: Zenghui Yu <yuzenghui@huawei.com>
Cc: Marc Zyngier <maz@kernel.org>,
kvmarm@lists.linux.dev, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Joey Gouly <joey.gouly@arm.com>, Fuad Tabba <tabba@google.com>,
Mostafa Saleh <smostafa@google.com>,
Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>
Subject: Re: [PATCH v4 12/15] KVM: arm64: nv: Add emulation for ERETAx instructions
Date: Tue, 23 Apr 2024 13:09:26 +0100 [thread overview]
Message-ID: <76db8302-e1c9-4de5-8bde-e1d89e225b9d@nvidia.com> (raw)
In-Reply-To: <4c2fd210-fa36-8462-8a4d-70135cc2f040@huawei.com>
On 23/04/2024 10:40, Zenghui Yu wrote:
> On 2024/4/23 17:22, Jon Hunter wrote:
>>
>> Some of our builders currently have an older version of GCC (v6) and
>> after this change I am seeing ...
>>
>> CC arch/arm64/kvm/pauth.o
>> /tmp/ccohst0v.s: Assembler messages:
>> /tmp/ccohst0v.s:1177: Error: unknown architectural extension `pauth'
>> /tmp/ccohst0v.s:1177: Error: unknown mnemonic `pacga' -- `pacga
>> x21,x22,x0'
>> /local/workdir/tegra/mlt-linux_next/kernel/scripts/Makefile.build:244:
>> recipe for target 'arch/arm64/kvm/pauth.o' failed
>> make[5]: *** [arch/arm64/kvm/pauth.o] Error 1
>> /local/workdir/tegra/mlt-linux_next/kernel/scripts/Makefile.build:485:
>> recipe for target 'arch/arm64/kvm' failed
>> make[4]: *** [arch/arm64/kvm] Error 2
>> /local/workdir/tegra/mlt-linux_next/kernel/scripts/Makefile.build:485:
>> recipe for target 'arch/arm64' failed
>> make[3]: *** [arch/arm64] Error 2
>>
>>
>> I know this is pretty old now and I am trying to get these builders
>> updated. However, the kernel docs still show that GCC v5.1 is
>> supported [0].
>
> Was just looking at the discussion [1] ;-) . FYI there is already a
> patch on the list [2] which should be merged soon.
>
> [1]
> https://lore.kernel.org/r/CA+G9fYsCL5j-9JzqNH5X03kikL=O+BaCQQ8Ao3ADQvxDuZvqcg@mail.gmail.com
> [2] https://lore.kernel.org/r/20240422224849.2238222-1-maz@kernel.org
Thanks for sharing! That does work for me.
Cheers
Jon
--
nvpublic
next prev parent reply other threads:[~2024-04-23 12:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 10:29 [PATCH v4 00/15] KVM/arm64: Add NV support for ERET and PAuth Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 01/15] KVM: arm64: Harden __ctxt_sys_reg() against out-of-range values Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 02/15] KVM: arm64: Add helpers for ESR_ELx_ERET_ISS_ERET* Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 03/15] KVM: arm64: Constraint PAuth support to consistent implementations Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 04/15] KVM: arm64: nv: Drop VCPU_HYP_CONTEXT flag Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 05/15] KVM: arm64: nv: Configure HCR_EL2 for FEAT_NV2 Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 06/15] KVM: arm64: nv: Add trap forwarding for ERET and SMC Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 07/15] KVM: arm64: nv: Fast-track 'InHost' exception returns Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 08/15] KVM: arm64: nv: Honor HFGITR_EL2.ERET being set Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 09/15] KVM: arm64: nv: Handle HCR_EL2.{API,APK} independently Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 10/15] KVM: arm64: nv: Reinject PAC exceptions caused by HCR_EL2.API==0 Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 11/15] KVM: arm64: nv: Add kvm_has_pauth() helper Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 12/15] KVM: arm64: nv: Add emulation for ERETAx instructions Marc Zyngier
2024-04-23 9:22 ` Jon Hunter
2024-04-23 9:40 ` Zenghui Yu
2024-04-23 11:42 ` Marc Zyngier
2024-04-23 12:30 ` Jon Hunter
2024-04-23 12:09 ` Jon Hunter [this message]
2024-04-19 10:29 ` [PATCH v4 13/15] KVM: arm64: nv: Handle ERETA[AB] instructions Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 14/15] KVM: arm64: nv: Advertise support for PAuth Marc Zyngier
2024-04-19 10:29 ` [PATCH v4 15/15] KVM: arm64: Drop trapping of PAuth instructions/keys Marc Zyngier
2024-04-19 17:59 ` [PATCH v4 00/15] KVM/arm64: Add NV support for ERET and PAuth Oliver Upton
2024-04-20 11:49 ` Marc Zyngier
2024-04-20 12:18 ` Marc Zyngier
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