netdev - Re: [PATCH RFC] sparc64: eBPF JIT

lists.openwall.net		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] [day] [month] [year] [list]

Message-Id: <20170421.211937.393214469332032143.davem@davemloft.net>
Date:   Fri, 21 Apr 2017 21:19:37 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     alexei.starovoitov@...il.com
Cc:     sparclinux@...r.kernel.org, netdev@...r.kernel.org, ast@...nel.org,
        daniel@...earbox.net
Subject: Re: [PATCH RFC] sparc64: eBPF JIT

From: Alexei Starovoitov <alexei.starovoitov@...il.com>
Date: Tue, 18 Apr 2017 15:57:09 -0700

> Alternative idea: can the above
> 'add FP, STACK_BIAS, one_of_local_regs' be done once in prologue
> and that register used as substitue for R10 ?

After much consideration I think this is what I'm going to end up
doing, I should have listened to you from the beginning :-)

It will simplify the JIT significantly.

Now I will just have to completely trust that the verifier has audited
all the FP accesses properly. :-)