[PATCH v4 12/15] KVM: arm64: nv: Add emulation for ERETAx instructions

[Jon Hunter]

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