Re: [PATCH v11 07/12] x86/mm: use INVLPGB in flush_tlb_all

[Dave Hansen]

On 2/13/25 08:13, Rik van Riel wrote:
>  void flush_tlb_all(void)
>  {
> +	if (broadcast_flush_tlb_all())
> +		return;
>  	count_vm_tlb_event(NR_TLB_REMOTE_FLUSH);
>  	on_each_cpu(do_flush_tlb_all, NULL, 1);
>  }

This could use a couple of one-line comments.

Also, let's just keep the NR_TLB_REMOTE_FLUSH manipulation even when
using the INVLPGB. It's still logically a remote flush even if it
doesn't use an IPI.