ACK: [SRU][R:linux-raspi][PATCH 0/1] mmc: Fix request issuing race condition

[Wen-chien Jesse Sung]

Acked-by: Wen-chien Jesse Sung <jesse.sung at canonical.com>

Yufeng Gao via kernel-team <kernel-team at lists.ubuntu.com> writes:

> BugLink: https://bugs.launchpad.net/bugs/2160602
>
> SRU Justification
>
> [Impact]
>
> When stress-ng is used to run directory creation stress tests on eMMC, the system locks up.
> This is highly reproducible on ext4 when discard is enabled when mounting the filesystem.
>
> [Fix]
>
> Pull the fix from upstream Raspberry Pi tree (rpi-6.18.y branch):
>   - 66d46640d0a54 mmc: don't reference requests after issuing them
>
> [Test Plan]
>
> * Compile tested
> * Boot tested
> * No impacts to existing features found
>
> Install the built packages and running the same stress test should no longer result in hangs
> and lockups. (See BugLink for script for running the test).
>
> [Regression potential]
>
> Relatively low, as change is a bug fix from upstream.
>
> Yufeng Gao (1):
>   mmc: don't reference requests after issuing them
>
>  drivers/mmc/core/queue.c | 9 ++++++---
>  include/linux/mmc/card.h | 2 +-
>  2 files changed, 7 insertions(+), 4 deletions(-)
>
> -- 
> 2.43.0
>
>
> -- 
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