Re: [PATCH] iommu/exynos: Suppress unbinding to prevent system failure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 05/20/2016 03:48 PM, Marek Szyprowski wrote:
> Removal of IOMMU driver cannot be done reliably, so Exynos IOMMU driver
> doesn't support this operation. It is essential for system operation, so
> it makes sense to prevent unbinding by disabling bind/unbind sysfs
> feature for SYSMMU controller driver to avoid kernel ops or trashing
> memory caused by such operation.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> CC: stable@xxxxxxxxxxxxxxx  # v4.2+
> ---
>  drivers/iommu/exynos-iommu.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

Best regards,
Krzysztof


--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux SoC Development]     [Linux Rockchip Development]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Linux SCSI]     [Yosemite News]

  Powered by Linux