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Re: [PATCH for-5.1 0/3] target/arm: mte+pauth fixes


From: Peter Maydell
Subject: Re: [PATCH for-5.1 0/3] target/arm: mte+pauth fixes
Date: Mon, 27 Jul 2020 15:59:39 +0100

On Fri, 24 Jul 2020 at 17:38, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> A couple of last minute fixes for MTE:
>
>  (1) Peter pointed out that EL3's SCR.ATA needs to be set when
>      we're booting a kernel directly.  Similarly for API & APK.
>
>  (2) Vincenzo pointed out that with RRND=1, we can't rely on
>      RGSR having being initialized.
>
>      I suppose the only follow-on question here is whether it is
>      better to minimize the number of calls to qemu_guest_getrandom,
>      or instead to name that our IMPDEF algorithm and use it for
>      every call to IRG.  We already have other user-space available
>      RNG instructions that can drain the entropy pool, so this is
>      not really different.
>



Applied to target-arm.next, thanks.

-- PMM



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