linux-kernel - Re: [PATCH v7 0/7] Syscall User Dispatch

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Date:   Wed, 18 Nov 2020 18:22:01 +0100
From:   Florian Weimer <fw@...eb.enyo.de>
To:     Gabriel Krisman Bertazi <krisman@...labora.com>
Cc:     luto@...nel.org, tglx@...utronix.de, keescook@...omium.org,
        christian.brauner@...ntu.com, peterz@...radead.org,
        willy@...radead.org, shuah@...nel.org,
        linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-kselftest@...r.kernel.org, x86@...nel.org, gofmanp@...il.com,
        kernel@...labora.com
Subject: Re: [PATCH v7 0/7] Syscall User Dispatch

* Gabriel Krisman Bertazi:

> The main use case is to intercept Windows system calls of an application
> running over Wine. While Wine is using an unmodified glibc to execute
> its own native Linux syscalls, the Windows libraries might be directly
> issuing syscalls that we need to capture. So there is a mix. While this
> mechanism is compatible with existing libc, we might have other
> libraries executing a syscall instruction directly.

Please raise this on libc-alpha, it's an unexpected compatibility
constraint on glibc.  Thanks.