linux-kernel - Re: [PATCH v2 2/2] selftests: futex: Use a 64-bit time

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] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAK8P3a2i-4Q8SPwO+3X_FDF_J=dr3cyuRTgF7zxjW4WKxY0tuA@mail.gmail.com>
Date:   Fri, 15 Oct 2021 10:05:26 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Alistair Francis <alistair.francis@...nsource.wdc.com>
Cc:     linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-perf-users@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Alistair Francis <alistair23@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Davidlohr Bueso <dave@...olabs.net>,
        Darren Hart <dvhart@...radead.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Atish Patra <atish.patra@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Alistair Francis <alistair.francis@....com>
Subject: Re: [PATCH v2 2/2] selftests: futex: Use a 64-bit time_t

On Fri, Oct 15, 2021 at 2:56 AM Alistair Francis
<alistair.francis@...nsource.wdc.com> wrote:
>
> From: Alistair Francis <alistair.francis@....com>
>
> Convert the futex selftests to only use a 64-bit time_t. On 64-bit
> architectures this isn't a functional change. On 32-bit architectures
> we now only perform 64-bit time_t syscalls (__NR_futex_time64) and
> use a struct timespec64.
>
> This won't work on kernels before 5.1, but as perf is tied to the kernel
> that's ok.
>
> This allows the tests to run and pass on RISC-V 32-bit.
>
> Signed-off-by: Alistair Francis <alistair.francis@....com>

Reviewed-by: Arnd Bergmann <arnd@...db.de>