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From: Greg KH <gregkh@linuxfoundation.org>
To: obayashi.yoshimasa@socionext.com
Cc: sumit.garg@linaro.org, daniel.thompson@linaro.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	iommu@lists.linux-foundation.org, robin.murphy@arm.com,
	hch@lst.de
Subject: Re: DMA direct mapping fix for 5.4 and earlier stable branches
Date: Tue, 9 Feb 2021 11:39:54 +0100	[thread overview]
Message-ID: <YCJmegLycZ5hnCUr@kroah.com> (raw)
In-Reply-To: <ed485ad069af4d1481e3961db4a3e079@SOC-EX02V.e01.socionext.com>

On Tue, Feb 09, 2021 at 10:19:07AM +0000, obayashi.yoshimasa@socionext.com wrote:
> > How do you judge "mature"?
> 
>   My basic criteria are
> * Function is exist, but bug fix is necessary: "mature"
> * Function extension is necessary: "immature"
> 
> > And again, if a feature isn't present in a specific kernel version, why would you think that it would be
> > a viable solution for you to use?
> 
>   So, "a feature isn't present in a specific kernel version", 
> also means "immature" according to my criteria.

Great, please use the 5.10 or newer kernel release then.

thanks,

greg k-h
_______________________________________________
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iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: obayashi.yoshimasa@socionext.com
Cc: sumit.garg@linaro.org, hch@lst.de, m.szyprowski@samsung.com,
	robin.murphy@arm.com, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	daniel.thompson@linaro.org
Subject: Re: DMA direct mapping fix for 5.4 and earlier stable branches
Date: Tue, 9 Feb 2021 11:39:54 +0100	[thread overview]
Message-ID: <YCJmegLycZ5hnCUr@kroah.com> (raw)
In-Reply-To: <ed485ad069af4d1481e3961db4a3e079@SOC-EX02V.e01.socionext.com>

On Tue, Feb 09, 2021 at 10:19:07AM +0000, obayashi.yoshimasa@socionext.com wrote:
> > How do you judge "mature"?
> 
>   My basic criteria are
> * Function is exist, but bug fix is necessary: "mature"
> * Function extension is necessary: "immature"
> 
> > And again, if a feature isn't present in a specific kernel version, why would you think that it would be
> > a viable solution for you to use?
> 
>   So, "a feature isn't present in a specific kernel version", 
> also means "immature" according to my criteria.

Great, please use the 5.10 or newer kernel release then.

thanks,

greg k-h

  reply	other threads:[~2021-02-09 10:40 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-09  6:09 DMA direct mapping fix for 5.4 and earlier stable branches Sumit Garg
2021-02-09  6:09 ` Sumit Garg
2021-02-09  6:58 ` Greg Kroah-Hartman
2021-02-09  6:58   ` Greg Kroah-Hartman
2021-02-09  7:58   ` Sumit Garg
2021-02-09  8:04     ` Greg Kroah-Hartman
2021-02-09  8:04       ` Greg Kroah-Hartman
2021-02-09  9:05       ` obayashi.yoshimasa
2021-02-09  9:23         ` Greg KH
2021-02-09  9:23           ` Greg KH
2021-02-09  9:36           ` Christoph Hellwig
2021-02-09  9:36             ` Christoph Hellwig
2021-02-09 12:36             ` Sumit Garg
2021-02-09 12:36               ` Sumit Garg
2021-02-09 12:45               ` Robin Murphy
2021-02-09 12:45                 ` Robin Murphy
2021-02-09 15:50                 ` Christoph Hellwig
2021-02-09 15:50                   ` Christoph Hellwig
2021-02-09 10:19           ` obayashi.yoshimasa
2021-02-09 10:19             ` obayashi.yoshimasa
2021-02-09 10:39             ` Greg KH [this message]
2021-02-09 10:39               ` Greg KH

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