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:   Wed, 25 Oct 2023 15:44:25 +0200
From:   Borislav Petkov <>
To:     Juergen Gross <>
        Thomas Gleixner <>,
        Ingo Molnar <>,
        Dave Hansen <>,
        "H. Peter Anvin" <>, Ajay Kaher <>,
        Alexey Makhalov <>,
        VMware PV-Drivers Reviewers <>,
        Paolo Bonzini <>,
        Wanpeng Li <>,
        Vitaly Kuznetsov <>,
        Boris Ostrovsky <>,,
        Peter Zijlstra <>
Subject: Re: [PATCH v3 1/5] x86/paravirt: move some functions and defines to

On Wed, Oct 25, 2023 at 03:31:07PM +0200, Juergen Gross wrote:
> There is
> #define nop() asm volatile ("nop")
> in arch/x86/include/asm/special_insns.h already.

Then call it "nop_func" or so.

> It might not be needed now, but are you sure we won't need it in future?

No, I'm not.

What I'm sure of is: stuff should be added to the kernel only when
really needed. Not in the expectation that it might potentially be
needed at some point.



Powered by blists - more mailing lists