From: Ingo Molnar <mingo@kernel.org>
To: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: linux-kernel@vger.kernel.org, 0x7f454c46@gmail.com,
mingo@redhat.com, luto@kernel.org, linux-mm@kvack.org,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Shuah Khan <shuahkh@osg.samsung.com>,
x86@kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCHv10 2/2] selftest/x86: add mremap vdso test
Date: Fri, 8 Jul 2016 14:17:04 +0200 [thread overview]
Message-ID: <20160708121704.GA31371@gmail.com> (raw)
In-Reply-To: <20160628113539.13606-3-dsafonov@virtuozzo.com>
* Dmitry Safonov <dsafonov@virtuozzo.com> wrote:
> Or print that mremap for vDSO is unsupported:
> [root@localhost ~]# ./test_mremap_vdso_32
> AT_SYSINFO_EHDR is 0xf773c000
> [NOTE] Moving vDSO: [0xf773c000, 0xf773d000] -> [0xf7737000, 0xf7738000]
> [FAIL] mremap() of the vDSO does not work on this kernel!
Hm, I tried this on a 64-bit kernel and got:
triton:~/tip/tools/testing/selftests/x86> ./test_mremap_vdso_32
AT_SYSINFO_EHDR is 0xf7773000
[NOTE] Moving vDSO: [0xf7773000, 0xf7774000] -> [0xf776e000, 0xf776f000]
Segmentation fault
Thanks,
Ingo
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: linux-kernel@vger.kernel.org, 0x7f454c46@gmail.com,
mingo@redhat.com, luto@kernel.org, linux-mm@kvack.org,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Shuah Khan <shuahkh@osg.samsung.com>,
x86@kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCHv10 2/2] selftest/x86: add mremap vdso test
Date: Fri, 8 Jul 2016 14:17:04 +0200 [thread overview]
Message-ID: <20160708121704.GA31371@gmail.com> (raw)
In-Reply-To: <20160628113539.13606-3-dsafonov@virtuozzo.com>
* Dmitry Safonov <dsafonov@virtuozzo.com> wrote:
> Or print that mremap for vDSO is unsupported:
> [root@localhost ~]# ./test_mremap_vdso_32
> AT_SYSINFO_EHDR is 0xf773c000
> [NOTE] Moving vDSO: [0xf773c000, 0xf773d000] -> [0xf7737000, 0xf7738000]
> [FAIL] mremap() of the vDSO does not work on this kernel!
Hm, I tried this on a 64-bit kernel and got:
triton:~/tip/tools/testing/selftests/x86> ./test_mremap_vdso_32
AT_SYSINFO_EHDR is 0xf7773000
[NOTE] Moving vDSO: [0xf7773000, 0xf7774000] -> [0xf776e000, 0xf776f000]
Segmentation fault
Thanks,
Ingo
next prev parent reply other threads:[~2016-07-08 12:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-28 11:35 [PATCHv10 0/2] mremap vDSO for 32-bit Dmitry Safonov
2016-06-28 11:35 ` Dmitry Safonov
2016-06-28 11:35 ` [PATCHv10 1/2] x86/vdso: add mremap hook to vm_special_mapping Dmitry Safonov
2016-06-28 11:35 ` Dmitry Safonov
2016-07-06 14:03 ` Andy Lutomirski
2016-07-06 14:03 ` Andy Lutomirski
2016-07-08 13:16 ` [tip:x86/mm] x86/vdso: Add " tip-bot for Dmitry Safonov
2016-06-28 11:35 ` [PATCHv10 2/2] selftest/x86: add mremap vdso test Dmitry Safonov
2016-06-28 11:35 ` Dmitry Safonov
2016-07-08 12:17 ` Ingo Molnar [this message]
2016-07-08 12:17 ` Ingo Molnar
2016-07-08 13:16 ` [tip:x86/mm] selftests/x86: Add vDSO mremap() test tip-bot for Dmitry Safonov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160708121704.GA31371@gmail.com \
--to=mingo@kernel.org \
--cc=0x7f454c46@gmail.com \
--cc=dsafonov@virtuozzo.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=shuahkh@osg.samsung.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.