From: Peter Zijlstra <peterz@infradead.org>
To: Nadav Amit <namit@vmware.com>
Cc: Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Kees Cook <keescook@chromium.org>,
Dave Hansen <dave.hansen@intel.com>,
Masami Hiramatsu <mhiramat@kernel.org>
Subject: Re: [PATCH v4 09/10] x86/jump-label: remove support for custom poker
Date: Sun, 11 Nov 2018 16:05:53 +0100 [thread overview]
Message-ID: <20181111150553.GB3021@worktop> (raw)
In-Reply-To: <20181110231732.15060-10-namit@vmware.com>
On Sat, Nov 10, 2018 at 03:17:31PM -0800, Nadav Amit wrote:
> There are only two types of poking: early and breakpoint based. The use
> of a function pointer to perform poking complicates the code and is
> probably inefficient due to the use of indirect branches.
Right; we used to have a 3rd way, but that is long gone.
Nice cleanup!
next prev parent reply other threads:[~2018-11-11 15:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-10 23:17 [PATCH v4 00/10] x86/alternative: text_poke() fixes Nadav Amit
2018-11-10 23:17 ` [PATCH v4 01/10] Fix "x86/alternatives: Lockdep-enforce text_mutex in text_poke*()" Nadav Amit
2018-11-12 2:54 ` Masami Hiramatsu
2018-11-12 10:59 ` Jiri Kosina
2018-11-10 23:17 ` [PATCH v4 02/10] x86/jump_label: Use text_poke_early() during early init Nadav Amit
2018-11-12 20:12 ` Nadav Amit
2018-11-10 23:17 ` [PATCH v4 03/10] x86/mm: temporary mm struct Nadav Amit
2018-11-10 23:17 ` [PATCH v4 04/10] fork: provide a function for copying init_mm Nadav Amit
2018-11-10 23:17 ` [PATCH v4 05/10] x86/alternative: initializing temporary mm for patching Nadav Amit
2018-11-11 14:43 ` Peter Zijlstra
2018-11-11 20:38 ` Nadav Amit
2018-11-12 0:34 ` Peter Zijlstra
2018-11-10 23:17 ` [PATCH v4 06/10] x86/alternative: use temporary mm for text poking Nadav Amit
2018-11-11 14:59 ` Peter Zijlstra
2018-11-11 20:53 ` Nadav Amit
2018-11-11 23:52 ` Peter Zijlstra
2018-11-12 0:09 ` Nadav Amit
2018-11-12 0:41 ` Peter Zijlstra
2018-11-12 0:36 ` Peter Zijlstra
2018-11-12 3:46 ` Ingo Molnar
2018-11-12 8:50 ` Peter Zijlstra
2018-11-11 19:11 ` Damian Tometzki
2018-11-11 20:41 ` Nadav Amit
2018-11-10 23:17 ` [PATCH v4 07/10] x86/kgdb: avoid redundant comparison of code Nadav Amit
2018-11-10 23:17 ` [PATCH v4 08/10] x86: avoid W^X being broken during modules loading Nadav Amit
2018-11-10 23:17 ` [PATCH v4 09/10] x86/jump-label: remove support for custom poker Nadav Amit
2018-11-11 15:05 ` Peter Zijlstra [this message]
2018-11-11 20:31 ` Nadav Amit
2018-11-10 23:17 ` [PATCH v4 10/10] x86/alternative: remove the return value of text_poke_*() Nadav Amit
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=20181111150553.GB3021@worktop \
--to=peterz@infradead.org \
--cc=bp@alien8.de \
--cc=dave.hansen@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=hpa@zytor.com \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=namit@vmware.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.