Re: [PATCH RFC/RFT 2/4] riscv: Add a runtime detection of invalid TLB entries caching

On Thu, Dec 7, 2023 at 4:55 PM Christophe Leroy wrote: > > > > Le 07/12/2023 à 16:03, Alexandre Ghiti a écrit : > > This mechanism allows to completely bypass the sfence.vma introduced by > > the previous commit for uarchs that do not cache invalid TLB entries. > > > > Signed-off-by: Alexandre Ghi

Re: [PATCH RFC/RFT 2/4] riscv: Add a runtime detection of invalid TLB entries caching

Le 07/12/2023 à 16:03, Alexandre Ghiti a écrit : > This mechanism allows to completely bypass the sfence.vma introduced by > the previous commit for uarchs that do not cache invalid TLB entries. > > Signed-off-by: Alexandre Ghiti > --- > arch/riscv/mm/init.c | 124

[PATCH RFC/RFT 2/4] riscv: Add a runtime detection of invalid TLB entries caching

This mechanism allows to completely bypass the sfence.vma introduced by the previous commit for uarchs that do not cache invalid TLB entries. Signed-off-by: Alexandre Ghiti --- arch/riscv/mm/init.c | 124 +++ 1 file changed, 124 insertions(+) diff --git a