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

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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/ 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/ recipe for target 'arch/arm64/kvm' failed
make[4]: *** [arch/arm64/kvm] Error 2
/local/workdir/tegra/mlt-linux_next/kernel/scripts/ 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.



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