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

[Marc Zyngier]

On Tue, 23 Apr 2024 10:40:22 +0100,
Zenghui Yu <yuzenghui at huawei.com> 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.

Indeed. -next as of today already has the fix, although I'm reworking
it to take Mark's remarks into account.

Jon, can you confirm that next-20240423 builds with your setup?

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.