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From: Steven Rostedt <rostedt@goodmis.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jason Baron <jbaron@redhat.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	Michal Marek <mmarek@suse.cz>
Subject: Re: [PATCH 1/5] x86/jump-label: Use best default nops for inital jump label calls
Date: Fri, 27 Jan 2012 16:00:14 -0500	[thread overview]
Message-ID: <1327698014.22710.140.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <4F230E18.2080603@zytor.com>

On Fri, 2012-01-27 at 12:50 -0800, H. Peter Anvin wrote:
> On 01/27/2012 12:49 PM, Steven Rostedt wrote:
> > 
> > If not, at the very least, I'll add a comment (in the last patch) that
> > explains why we use our own "JUMP_LABEL_INIT_NOP" instead of
> > ASM_NOP5_ATOMIC.
> > 
> 
> Then at least use GENERIC_NOP5_ATOMIC instead of open-coding it.

OK, I can do that. Hehe, I looked for the x86_32 version, but it was so
obfuscated that I didn't find it. Thanks for pointing it out.

-- Steve



  reply	other threads:[~2012-01-27 21:00 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-27 20:14 [PATCH 0/5] [GIT PULL] x86/jump label: Paranoid checks and 2 or 5 byte nops Steven Rostedt
2012-01-27 20:14 ` [PATCH 1/5] x86/jump-label: Use best default nops for inital jump label calls Steven Rostedt
2012-01-27 20:27   ` H. Peter Anvin
2012-01-27 20:49     ` Steven Rostedt
2012-01-27 20:50       ` H. Peter Anvin
2012-01-27 21:00         ` Steven Rostedt [this message]
2012-01-30 21:05       ` Michal Marek
2012-01-27 20:14 ` [PATCH 2/5] x86/jump-label: Do not bother updating nops if they are correct Steven Rostedt
2012-01-27 20:34   ` Andrew Morton
2012-01-27 20:42     ` Steven Rostedt
2012-01-27 20:14 ` [PATCH 3/5] x86/jump-label: Add safety checks to jump label conversions Steven Rostedt
2012-01-27 20:14 ` [PATCH 4/5] jump labels: Add infrastructure to update jump labels at compile time Steven Rostedt
2012-01-27 20:14 ` [PATCH 5/5] jump labels/x86: Use etiher 5 byte or 2 byte jumps Steven Rostedt
2012-01-27 21:47   ` Steven Rostedt

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