Hi Alex,
On Thu, Feb 1, 2024 at 12:04 AM Alexandre Ghiti wrote:
>
> The preventive sfence.vma were emitted because new mappings must be made
> visible to the page table walker but Svvptc guarantees that xRET act as
> a fence, so no need to sfence.vma for the uarchs that implement this
> extension
Hi Alexandre,
On Thu, Feb 1, 2024 at 12:03 AM Alexandre Ghiti wrote:
>
> In 6.5, we removed the vmalloc fault path because that can't work (see
> [1] [2]). Then in order to make sure that new page table entries were
> seen by the page table walker, we had to preventively emit a sfence.vma
> on al
Hi Alexandre,
On Mon, Jun 3, 2024 at 8:02 PM Alexandre Ghiti wrote:
>
> Hi Yunhui,
>
> On Mon, Jun 3, 2024 at 4:26 AM yunhui cui wrote:
> >
> > Hi Alexandre,
> >
> > On Thu, Feb 1, 2024 at 12:03 AM Alexandre Ghiti
> > wrote:
> > >
> >
