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Re: [PATCH 0/4] hw/sd/sdhci: Strengthen multiple DMA transfers

From: Alexander Bulekov
Subject: Re: [PATCH 0/4] hw/sd/sdhci: Strengthen multiple DMA transfers
Date: Thu, 10 Sep 2020 10:47:40 -0400

I fuzzed the SDHCI with this applied. There are still bugs in SDHCI, but
this fixes the ones triggered by my initial bug-reproducers, and doesn't
appear to create any new bugs.

In the interest of incrementally fixing the issues, for this series:

Tested-by: Alexander Bulekov <alxndr@bu.edu>

On 200903 1928, Philippe Mathieu-Daudé wrote:
> Still trying to fix the bugs reported by Aleksander...
> - Do not send 0 block count
> - Reduce DMA to MMIO re-entrancy by yielding when pending IRQ
> Based-on: <20200901140411.112150-1-f4bug@amsat.org>
> Philippe Mathieu-Daudé (4):
>   hw/sd/sdhci: Stop multiple transfers when block count is cleared
>   hw/sd/sdhci: Resume pending DMA transfers on MMIO accesses
>   hw/sd/sdhci: Let sdhci_update_irq() return if IRQ was delivered
>   hw/sd/sdhci: Yield if interrupt delivered during multiple transfer
>  hw/sd/sdhci.c | 35 +++++++++++++++++++++++++++++++----
>  1 file changed, 31 insertions(+), 4 deletions(-)
> -- 
> 2.26.2

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