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From: Richard Henderson <richard.henderson@linaro.org>
To: Idan Horowitz <idan.horowitz@gmail.com>, qemu-riscv@nongnu.org
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
	Bin Meng <bin.meng@windriver.com>,
	Alistair Francis <alistair.francis@wdc.com>,
	qemu-devel@nongnu.org
Subject: Re: [PATCH] target/riscv: Exit current TB after an sfence.vma
Date: Tue, 15 Mar 2022 12:37:31 -0700	[thread overview]
Message-ID: <227bbbf2-ab20-14a6-2a3f-7f0e18c32135@linaro.org> (raw)
In-Reply-To: <20220315192300.250310-1-idan.horowitz@gmail.com>

On 3/15/22 12:23, Idan Horowitz 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>
> ---
>   target/riscv/insn_trans/trans_privileged.c.inc | 7 +++++++
>   1 file changed, 7 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~


  reply	other threads:[~2022-03-15 19:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-15 19:23 [PATCH] target/riscv: Exit current TB after an sfence.vma Idan Horowitz
2022-03-15 19:37 ` Richard Henderson [this message]
2022-03-15 22:52 ` Alistair Francis
2022-03-15 23:42 ` Alistair Francis
2022-03-30  6:09   ` Alistair Francis
     [not found] <7f383fc2.81a2.17f93c0dad7.Coremail.phantom@zju.edu.cn>
2022-03-29 23:15 ` Atish Patra
2022-03-30  6:15   ` Idan Horowitz
2022-03-30  7:28     ` Atish Patra
2022-03-30  7:35       ` Idan Horowitz

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