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From: Peter Zijlstra <peterz@infradead.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Andy Lutomirski <luto@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Andi Kleen <ak@linux.intel.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Joerg Roedel <joro@8bytes.org>, Jiri Olsa <jolsa@redhat.com>,
	linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH V4 2/3] kallsyms, x86: Export addresses of PTI entry trampolines
Date: Wed, 6 Jun 2018 15:14:20 +0200	[thread overview]
Message-ID: <20180606131420.GC12180@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1528289651-4113-3-git-send-email-adrian.hunter@intel.com>

On Wed, Jun 06, 2018 at 03:54:10PM +0300, Adrian Hunter wrote:
> From: Alexander Shishkin <alexander.shishkin@linux.intel.com>
> 
> Currently, the addresses of PTI entry trampolines are not exported to user
> space. Kernel profiling tools need these addresses to identify the kernel
> code, so add a symbol and address for each CPU's PTI entry trampoline.
> 
> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
> Acked-by: Andi Kleen <ak@linux.intel.com>

Thanks for the Changelog,

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

  reply	other threads:[~2018-06-06 13:14 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-06 12:54 [PATCH V4 0/3] perf tools and x86 " Adrian Hunter
2018-06-06 12:54 ` [PATCH V4 1/3] kallsyms: Simplify update_iter_mod() Adrian Hunter
2018-06-06 13:13   ` Peter Zijlstra
2018-06-06 18:37     ` Steven Rostedt
2018-06-06 18:59       ` Arnaldo Carvalho de Melo
2018-06-06 19:13         ` Steven Rostedt
2018-06-06 19:47           ` Arnaldo Carvalho de Melo
2018-08-18 11:59   ` [tip:perf/urgent] " tip-bot for Adrian Hunter
2018-06-06 12:54 ` [PATCH V4 2/3] kallsyms, x86: Export addresses of PTI entry trampolines Adrian Hunter
2018-06-06 13:14   ` Peter Zijlstra [this message]
2018-08-18 11:59   ` [tip:perf/urgent] " tip-bot for Alexander Shishkin
2018-06-06 12:54 ` [PATCH V4 3/3] x86: Add entry trampolines to kcore Adrian Hunter
2018-06-06 13:16   ` Peter Zijlstra
2018-06-06 13:19     ` Arnaldo Carvalho de Melo
2018-07-17  8:54       ` Adrian Hunter
2018-07-17 14:47         ` Arnaldo Carvalho de Melo
2018-08-18 12:00   ` [tip:perf/urgent] " tip-bot for Adrian Hunter

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