On 08/05/2016 05:42 PM, Andy Lutomirski wrote:
>
> This should affect kernel threads too, right?
I don't think so because they don't have a MM in the first place so
they don't shouldn't need to flush a TLB. But then there is iounmap()
and vfree() for instance which does
vmap_debug_free_range()
{
if (debug_pagealloc_enabled()) {
vunmap_page_range(start, end);
flush_tlb_kernel_range(start, end);
}
}
so it looks like a candidate.
> Acked-by: Andy Lutomirski <luto@xxxxxxxxxx>
Sebastian
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