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Bug#1105129: Please backport ntsync driver from Linux-6.14 to trixie

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  Bug#1105129: Please backport ntsync driver from Linux-6.14 to trixie Salvatore Bonaccorso <carnil@debian.org> - 2025-05-12 06:00 +0200

#87532 — Bug#1105129: Please backport ntsync driver from Linux-6.14 to trixie

Control: tags -1 + wontfix

Hi,

On Sun, May 11, 2025 at 10:42:47PM +0200, Piotr Morgwai Kotarbinski wrote:
> Source: linux
> Version: 6.12
> Severity: wishlist
> Tags: patch
> X-Debbugs-Cc: debian-wine@lists.debian.org, foss@morgwai.pl
> 
> ntsync driver significantly improves performance of many apps running under new
> versions of Wine and its derivatives such as Proton (see
> https://lwn.net/Articles/962325/ and https://wiki.debian.org/Wine/NtsyncHowto
> ). As a consequence, it will be also very beneficial for Steam users.
> 
> The patch is self-contained, meaning it does not modify any production code
> outside of `drivers/misc/ntsync.c` and `include/uapi/linux/ntsync.h`. Moreover,
> the driver may only be activated by explicitly accessing `/dev/ntysnc` device
> node, so no other functionality will be affected in any way.
> 
> The patch was tested to work nicely when applied to kernel 6.12.27-1.

This is out of scope for landing in trixie. If the ntsync driver would
have made it to the 6.12.y upstream series then we could have enabled
it, but we are not going to backport a whole driver to an older
series.

If the ntsync driver is needed then please use the future trixie-backports
versions once trixie is releases.

Regards,
Salvatore

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