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  linux-hardening  linux-cve-announce  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:   Mon, 25 Feb 2019 19:57:41 -0800
From:   Christoph Hellwig <>
To:     Linus Torvalds <>
Cc:     David Miller <>,
        Alexei Starovoitov <>,
        Masami Hiramatsu <>,
        Steven Rostedt <>,
        Andy Lutomirski <>,
        Linux List Kernel Mailing <>,
        Ingo Molnar <>,
        Andrew Morton <>,
        stable <>,
        Changbin Du <>,
        Jann Horn <>,
        Kees Cook <>,
        Andrew Lutomirski <>,
        Daniel Borkmann <>,
        Netdev <>,
Subject: Re: [PATCH 1/2 v2] kprobe: Do not use uaccess functions to access
 kernel memory that can fault

On Fri, Feb 22, 2019 at 01:59:10PM -0800, Linus Torvalds wrote:
> On Fri, Feb 22, 2019 at 1:38 PM David Miller <> wrote:
> >
> > Don't be surprised if we see more separation like this in the future too.
> Yes, with the whole meltdown fiasco, there's actually more pressure to
> add more support for separation of kernel/user address spaces. As Andy
> pointed out, it's been discussed as a future wish-list for x86-64 too.

S/390 is another example.

I've also proposed a RISC-V extension for it, including prototypes
for Rocketchip and Qemu, and a Linux kernel support, but it didn't go
any way.

Powered by blists - more mailing lists