linux-kernel - Re: [PATCH v2 0/4] Add VG register attr test with kernel version and feature detection

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: <Y5iRhKrIb5pXOaKk@kernel.org>
Date:   Tue, 13 Dec 2022 11:51:48 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     James Clark <james.clark@....com>
Cc:     linux-perf-users@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v2 0/4] Add VG register attr test with kernel version and
 feature detection

Em Tue, Dec 13, 2022 at 11:47:35AM +0000, James Clark escreveu:
> I didn't get any feedback on the RFC version of this that I posted a
> while back [1]. I'd still like to add the test, especially now that
> 6.1 has been released with this new feature, so I've rebased it onto
> perf/core and double checked that it's still working.
> 
> Applies to perf/core (0c3852adae83)

I'm applying this locally, would this be testable on a Firefly (roc-rk3399-pc):

acme@...-rk3399-pc:~$ head /proc/cpuinfo
processor	: 0
BogoMIPS	: 48.00
Features	: fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd03
CPU revision	: 4

processor	: 1
acme@...-rk3399-pc:~$

- Arnaldo
 
> Thanks
> James
> 
> [1]: https://lore.kernel.org/bpf/20220927154104.869029-1-james.clark@arm.com/
> 
> James Clark (4):
>   perf test: Add ability to test exit code for attr tests
>   perf test: Add mechanism for skipping attr tests on auxiliary vector
>     values
>   perf test: Add mechanism for skipping attr tests on kernel versions
>   perf test arm64: Add attr tests for new VG register
> 
>  tools/perf/tests/attr.py                      | 71 +++++++++++++++++--
>  .../attr/test-record-user-regs-no-sve-aarch64 |  9 +++
>  .../test-record-user-regs-old-sve-aarch64     | 10 +++
>  .../attr/test-record-user-regs-sve-aarch64    | 14 ++++
>  4 files changed, 99 insertions(+), 5 deletions(-)
>  create mode 100644 tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64
>  create mode 100644 tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64
>  create mode 100644 tools/perf/tests/attr/test-record-user-regs-sve-aarch64
> 
> -- 
> 2.25.1

-- 

- Arnaldo