linux-kernel - Re: [PATCH v4 3/5] exec: Add a exec_update_mutex to replace cred_guard

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Message-ID: <20200319091907.GC3495501@kroah.com>
Date:   Thu, 19 Mar 2020 10:19:07 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Bernd Edlinger <bernd.edlinger@...mail.de>
Cc:     Kirill Tkhai <ktkhai@...tuozzo.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Kees Cook <keescook@...omium.org>,
        Jann Horn <jannh@...gle.com>, Jonathan Corbet <corbet@....net>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Oleg Nesterov <oleg@...hat.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Andrei Vagin <avagin@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Yuyang Du <duyuyang@...il.com>,
        David Hildenbrand <david@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Anshuman Khandual <anshuman.khandual@....com>,
        David Howells <dhowells@...hat.com>,
        James Morris <jamorris@...ux.microsoft.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Christian Kellner <christian@...lner.me>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Aleksa Sarai <cyphar@...har.com>,
        "Dmitry V. Levin" <ldv@...linux.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-api@...r.kernel.org" <linux-api@...r.kernel.org>
Subject: Re: [PATCH v4 3/5] exec: Add a exec_update_mutex to replace
 cred_guard_mutex

On Thu, Mar 19, 2020 at 10:13:20AM +0100, Bernd Edlinger wrote:
> Ah, sorry this is actuall v4 5/5.
> Should I send a new version or can you handle it?

This thread is a total crazy mess of different versions.

I know I can't unwind any of this, so I _STRONGLY_ suggest resending the
whole series, properly versioned, as a new thread.

Would you want to try to pick out the proper patches from this pile?

thanks,

greg k-h