lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sun, 12 Apr 2020 01:14:54 -0700
From:   Christoph Hellwig <>
To:     Mathieu Desnoyers <>
Cc:     Thomas Gleixner <>,
        Will Deacon <>,,
        Greg Kroah-Hartman <>,
        "K . Prasad" <>,
        Masami Hiramatsu <>,,
        Alexei Starovoitov <>,,
Subject: Re: [RFC PATCH 6/9] mm: export-GPL get_pageblock_migratetype

On Thu, Apr 09, 2020 at 03:35:40PM -0400, Mathieu Desnoyers wrote:
> The macro include/linux/mmzone.h:get_pageblock_migratetype() uses
> the symbol get_pfnblock_flags_mask, which is not exported. That macro is
> used within the kmem and page_ref trace events to trace the migrate type
> of the target page.
> Exporting this symbol to GPL modules allows GPL kernel tracers to be
> implemented as modules.

Which might make some sense if we had such intree modules (and then even
some as we could have higher level functions).  Without that is
obviously is a no-go.

Powered by blists - more mailing lists