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From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Song Liu <songliubraving@fb.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	kernel-team@fb.com, stable@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Dave Hansen <dave.hansen@intel.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Nadav Amit <namit@vmware.com>,
	Daniel Bristot de Oliveira <bristot@redhat.com>
Subject: Re: [PATCH] x86/mm: Do not split_large_page() for set_kernel_text_rw()
Date: Mon, 26 Aug 2019 14:44:52 +0200	[thread overview]
Message-ID: <20190826124452.GS2369@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190826073308.6e82589d@gandalf.local.home>

On Mon, Aug 26, 2019 at 07:33:08AM -0400, Steven Rostedt wrote:
> Anyway, I believe Nadav has some patches that converts ftrace to use
> the shadow page modification trick somewhere.
> 
> Or we also need the text_poke batch processing (did that get upstream?).

It did. And I just did that patch; I'll send out in a bit.

It seems to work, but this is the very first time I've looked at this
code.


  reply	other threads:[~2019-08-26 12:45 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-23  5:23 Song Liu
2019-08-23  9:36 ` Peter Zijlstra
2019-08-26  4:40   ` Song Liu
2019-08-26  9:23     ` Peter Zijlstra
2019-08-26 15:08       ` Song Liu
2019-08-26 20:50         ` Song Liu
2019-08-26 11:33   ` Steven Rostedt
2019-08-26 12:44     ` Peter Zijlstra [this message]
2019-08-26 15:41     ` Nadav Amit
2019-08-26 15:56       ` Peter Zijlstra
2019-08-26 15:56       ` Steven Rostedt
2019-08-26 16:09         ` Nadav Amit

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