From: "H. Peter Anvin" <hpa@zytor.com>
To: Ingo Molnar <mingo@kernel.org>, Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Peter Anvin <h.peter.anvin@intel.com>,
kernel test robot <xiaolong.ye@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Lutomirski <luto@kernel.org>,
Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>,
Denys Vlasenko <dvlasenk@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
tipbuild@zytor.com, LKP <lkp@01.org>
Subject: Re: [PATCH] objtool: Detect assembly code falling through to INT3 padding
Date: Fri, 18 May 2018 00:27:15 -0700 [thread overview]
Message-ID: <ce49ca7a-c5fd-6e93-9578-c91290f819d8@zytor.com> (raw)
In-Reply-To: <20180518071814.GB26358@gmail.com>
On 05/18/18 00:18, Ingo Molnar wrote:
>
> Ok, this is cool, it addresses the robustness problem that INT3 padding introduced
> very nicely.
>
> The concept of built-in kernel tooling working at the machine code level is just
> so powerful - we should have added our own KCC compiler 20 years ago.
>
How many times has this been suggested? ;)
-hpa
next prev parent reply other threads:[~2018-05-18 7:28 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-15 8:00 [lkp-robot] [x86/asm] 51bad67ffb: int3:#[##] kernel test robot
2018-05-15 8:00 ` kernel test robot
2018-05-15 21:07 ` Alexey Dobriyan
2018-05-15 21:07 ` Alexey Dobriyan
2018-05-15 21:25 ` Anvin, H Peter
2018-05-15 21:43 ` Alexey Dobriyan
2018-05-15 21:43 ` Alexey Dobriyan
2018-05-15 22:22 ` Josh Poimboeuf
2018-05-15 22:22 ` Josh Poimboeuf
2018-05-15 22:26 ` Thomas Gleixner
2018-05-15 22:26 ` Thomas Gleixner
2018-05-15 22:28 ` Linus Torvalds
2018-05-15 22:28 ` Linus Torvalds
2018-05-15 22:43 ` Josh Poimboeuf
2018-05-15 22:43 ` Josh Poimboeuf
2018-05-15 22:52 ` Linus Torvalds
2018-05-15 22:52 ` Linus Torvalds
2018-05-15 23:05 ` Linus Torvalds
2018-05-15 23:05 ` Linus Torvalds
2018-05-16 3:30 ` Josh Poimboeuf
2018-05-16 3:30 ` Josh Poimboeuf
2018-05-17 13:49 ` [PATCH] objtool: Detect assembly code falling through to INT3 padding Josh Poimboeuf
2018-05-17 13:49 ` Josh Poimboeuf
2018-05-17 14:01 ` Peter Zijlstra
2018-05-17 14:01 ` Peter Zijlstra
2018-05-18 7:24 ` Ingo Molnar
2018-05-18 7:24 ` Ingo Molnar
2018-05-18 7:18 ` Ingo Molnar
2018-05-18 7:18 ` Ingo Molnar
2018-05-18 7:27 ` H. Peter Anvin [this message]
2018-05-18 16:06 ` Borislav Petkov
2018-05-18 16:06 ` Borislav Petkov
2018-05-18 7:27 ` Ingo Molnar
2018-05-18 7:27 ` Ingo Molnar
2018-05-18 17:51 ` Alexey Dobriyan
2018-05-18 17:51 ` Alexey Dobriyan
2018-05-19 8:18 ` hpa
2018-05-19 7:00 ` "interesting" entry in hibernation code was Re: [lkp-robot] [x86/asm] 51bad67ffb: int3:#[##] Pavel Machek
2018-05-19 7:00 ` Pavel Machek
2018-05-19 8:35 ` Rafael J. Wysocki
2018-05-19 8:35 ` Rafael J. Wysocki
2018-05-18 7:15 ` Ingo Molnar
2018-05-18 7:15 ` Ingo Molnar
2018-05-15 22:25 ` Thomas Gleixner
2018-05-15 22:25 ` Thomas Gleixner
2018-05-15 22:29 ` Andy Lutomirski
2018-05-15 22:29 ` Andy Lutomirski
2018-05-15 22:27 ` Linus Torvalds
2018-05-15 22:27 ` Linus Torvalds
2018-05-15 22:50 ` Alexey Dobriyan
2018-05-15 22:50 ` Alexey Dobriyan
2018-05-15 22:58 ` [PATCH v2] x86/asm: Pad assembly functions with INT3 instructions Alexey Dobriyan
2018-05-15 22:58 ` Alexey Dobriyan
2018-05-15 23:28 ` Linus Torvalds
2018-05-15 23:28 ` Linus Torvalds
2018-05-18 7:36 ` Ingo Molnar
2018-05-18 7:36 ` Ingo Molnar
2018-05-18 13:02 ` Josh Poimboeuf
2018-05-18 13:02 ` Josh Poimboeuf
2018-05-18 17:34 ` Alexey Dobriyan
2018-05-18 17:34 ` Alexey Dobriyan
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=ce49ca7a-c5fd-6e93-9578-c91290f819d8@zytor.com \
--to=hpa@zytor.com \
--cc=adobriyan@gmail.com \
--cc=bp@alien8.de \
--cc=brgerst@gmail.com \
--cc=dvlasenk@redhat.com \
--cc=h.peter.anvin@intel.com \
--cc=jpoimboe@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lkp@01.org \
--cc=luto@kernel.org \
--cc=mingo@kernel.org \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=tipbuild@zytor.com \
--cc=torvalds@linux-foundation.org \
--cc=xiaolong.ye@intel.com \
/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.