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Re: [PATCH] target/riscv: Exit current TB after an sfence.vma
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From: |
Alistair Francis |
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Subject: |
Re: [PATCH] target/riscv: Exit current TB after an sfence.vma |
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Date: |
Wed, 30 Mar 2022 16:09:56 +1000 |
On Wed, Mar 16, 2022 at 9:42 AM Alistair Francis <alistair23@gmail.com> wrote:
>
> On Wed, Mar 16, 2022 at 5:26 AM Idan Horowitz <idan.horowitz@gmail.com> wrote:
> >
> > If the pages which control the translation of the currently executing
> > instructions are changed, and then the TLB is flushed using sfence.vma
> > we have to exit the current TB early, to ensure we don't execute stale
> > instructions.
> >
> > Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
>
> Thanks!
>
> Applied to riscv-to-apply.next
This results in failed Linux boots, I have dropped this patch
Alistair
- [PATCH] target/riscv: Exit current TB after an sfence.vma, Idan Horowitz, 2022/03/15
- Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, phantom, 2022/03/16
- Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Atish Patra, 2022/03/29
- Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Idan Horowitz, 2022/03/30
- Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Atish Patra, 2022/03/30
- Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Idan Horowitz, 2022/03/30
- Re: Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, phantom, 2022/03/30
- Re: Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Palmer Dabbelt, 2022/03/30
- Re: Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Palmer Dabbelt, 2022/03/30
- Re: Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Idan Horowitz, 2022/03/30
- Re: Re: [PATCH] target/riscv: Exit current TB after an sfence.vma, Alistair Francis, 2022/03/30