Re: [PATCH v7 0/2] MR2044: ntoskrnl.exe: Implement acquiring and releasing guarded mutexes

[Etaash Mathamsetty (＠etaash.mathamsetty)]

On Fri Jan 23 04:43:11 2026 +0000, Colleirose wrote:
> There's several more that AntiCheatExpert requires, you can find a full
> list here but some of the patches don't work on their own and have a
> subsequent patch that fixes them:
> https://dawn.wine/dawn-winery/dwproton/src/branch/main/patches/wine/0003-dna
> I've tested that those fix Duet Night Abyss, but I haven't tried them
> with other AntiCheatExpert games; I will test them with Endfield
> probably later today or tomorrow (I've been downloading Endfield but
> have very slow Internet). I spent a bit of time trying to reorganize and
> reformat the patches to be compliant with Wine's requirements a day or
> two ago but haven't had time to test the changed versions or develop
> test cases so I'll need to see later what else is required.
> While most of these patches clearly just implement missing functions and
> lead to ACE running the same as it does natively, there's also one that
> seems to be intended to prevent the anticheat from detecting that the
> user is on Wine,
> https://dawn.wine/dawn-winery/dwproton/src/branch/main/patches/wine/0003-dna...
> which to my understanding is out of scope for normal Wine; I haven't
> tried seeing what happens when that particular patch is removed but the
> game is run with the others, I will later though.
> Notably, other ACE games become more compatible when they detect they
> are running under Wine; it seems that there's different versions of ACE
> that have different levels of Wine compatibility. Wuthering Waves uses
> ACE and their version specifically skips several parts of the anticheat
> if it detects the user is using Wine, while the version in Duet Night
> Abyss will probe the user's hardware to see if they have a Steam Deck
> specifically and disable parts of the anticheat only on Steam Deck
> devices. I believe Honkai: Star Rail also had a version of ACE for a
> while that was compatible with Linux, though they removed ACE over a
> year ago. Honkai Impact 3rd also requires ACE and to my understanding
> has been reported as playable but I haven't tested it.
> Other games that are broken according to a search on the Valve GitHub
> are Infinity Nikki and Fate Trigger:
> https://github.com/ValveSoftware/Proton/issues/9258, https://github.com/ValveSoftware/Proton/issues/8988
> Most of these are also my patches, and I would upstream them, but I don't really have the energy to go through and make tests (and correct my past mistakes) for everything partially because I have no idea how to get the expected values from windows. I've been spending more time on winewayland and idk if I will be able to find time to upstream that work either. So feel free to adapt this code in your own implementation if you want to. Also, the last time I worked on this a few people got mad at me (for justified reasons) and I don't really want to touch again

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https://gitlab.winehq.org/wine/wine/-/merge_requests/2044#note_127756