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Re: [Qemu-arm] [Qemu-devel] [PATCH 04/20] target/arm: Restore security s
From: |
Richard Henderson |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH 04/20] target/arm: Restore security state on exception return |
Date: |
Thu, 5 Oct 2017 12:14:12 -0400 |
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Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 09/22/2017 10:59 AM, Peter Maydell wrote:
> Now that we can handle the CONTROL.SPSEL bit not necessarily being
> in sync with the current stack pointer, we can restore the correct
> security state on exception return. This happens before we start
> to read registers off the stack frame, but after we have taken
> possible usage faults for bad exception return magic values and
> updated CONTROL.SPSEL.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/helper.c | 2 ++
> 1 file changed, 2 insertions(+)
Reviewed-by: Richard Henderson <address@hidden>
r~
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