linux-kernel - Re: (subset) [PATCH 00/10] perf intel pt: Update instruction decoder for APX and other new instructions

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Message-ID: <171937428317.2859368.15702717224833851505.b4-ty@kernel.org>
Date: Tue, 25 Jun 2024 20:59:34 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>
Cc: "Chang S. Bae" <chang.seok.bae@...el.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Nikolay Borisov <nik.borisov@...e.com>,
	Borislav Petkov <bp@...en8.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	x86@...nel.org,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	linux-perf-users@...r.kernel.org
Subject: Re: (subset) [PATCH 00/10] perf intel pt: Update instruction decoder for APX and other new instructions

On Thu, 02 May 2024 13:58:43 +0300, Adrian Hunter wrote:

> The x86 instruction decoder is used not only for decoding kernel
> instructions. It is also used by perf uprobes (user space probes) and by
> perf tools Intel Processor Trace decoding. Consequently, it needs to
> support instructions executed by user space also.
> 
> It should be noted that there are 2 copies of the instruction decoder.
> One for the kernel and one for tools, which is a policy to prevent
> changes from breaking builds.
> 
> [...]

Applied patch 9 and 10 to perf-tools-next, thanks!

Best regards,
Namhyung