On 09.12.2019 18:37, Roger Pau Monne wrote:
> --- a/xen/arch/x86/pv/domain.c
> +++ b/xen/arch/x86/pv/domain.c
> @@ -118,6 +118,19 @@ unsigned long pv_fixup_guest_cr4(const struct vcpu *v,
> unsigned long cr4)
> (mmu_cr4_features & PV_CR4_GUEST_VISIBLE_MASK));
> }
>
> +static int8_t __read_mostly opt_global_pages = -1;
> +boolean_runtime_param("global-pages", opt_global_pages);
> +
> +static int __init pge_init(void)
> +{
> + if ( opt_global_pages == -1 )
> + opt_global_pages = !cpu_has_hypervisor ||
> + boot_cpu_data.x86_vendor != X86_VENDOR_AMD;
I was about to commit this when I noticed - what about Hygon here?
I'm happy to make the adjustment while committing, but I don't
want to do so without your consent.
Jan
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