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From: Peter Zijlstra <peterz@infradead.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: "Liang, Kan" <kan.liang@linux.intel.com>,
	Stephane Eranian <eranian@google.com>,
	Andy Lutomirski <luto@kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Vince Weaver <vincent.weaver@maine.edu>,
	Thomas Gleixner <tglx@linutronix.de>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 6/8] perf/x86/rapl: Get msr values from new probe framework
Date: Mon, 17 Jun 2019 13:42:41 +0200	[thread overview]
Message-ID: <20190617114241.GC3419@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190616140358.27799-7-jolsa@kernel.org>

On Sun, Jun 16, 2019 at 04:03:56PM +0200, Jiri Olsa wrote:

> +	cfg = array_index_nospec(cfg, NR_RAPL_DOMAINS + 1);

This one fails to build on i386. Istr we had issues like that before.
This makes it build.

diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c
index ddad45ef8757..64ab51ffdf06 100644
--- a/arch/x86/events/intel/rapl.c
+++ b/arch/x86/events/intel/rapl.c
@@ -349,7 +349,7 @@ static int rapl_pmu_event_init(struct perf_event *event)
 	if (!cfg || cfg >= NR_RAPL_DOMAINS + 1)
 		return -EINVAL;
 
-	cfg = array_index_nospec(cfg, NR_RAPL_DOMAINS + 1);
+	cfg = array_index_nospec((long)cfg, NR_RAPL_DOMAINS + 1);
 	bit = cfg - 1;
 
 	/* check event supported */

  reply	other threads:[~2019-06-17 11:42 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-16 14:03 [PATCHv3 0/8] perf/x86: Rework msr probe interface Jiri Olsa
2019-06-16 14:03 ` [PATCH 1/8] perf/x86: Add " Jiri Olsa
2019-06-25  8:37   ` [tip:perf/core] perf/x86: Add MSR " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 2/8] perf/x86/msr: Use new probe function Jiri Olsa
2019-06-25  8:38   ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 3/8] perf/x86/cstate: " Jiri Olsa
2019-06-25  8:39   ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 4/8] perf/x86/rapl: Use new msr detection interface Jiri Olsa
2019-06-25  8:40   ` [tip:perf/core] perf/x86/rapl: Use new MSR " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 5/8] perf/x86/rapl: Get rapl_cntr_mask from new probe framework Jiri Olsa
2019-06-25  8:40   ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 6/8] perf/x86/rapl: Get msr values " Jiri Olsa
2019-06-17 11:42   ` Peter Zijlstra [this message]
2019-06-25  8:41   ` [tip:perf/core] perf/x86/rapl: Get MSR " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 7/8] perf/x86/rapl: Get attributes " Jiri Olsa
2019-06-25  8:42   ` [tip:perf/core] " tip-bot for Jiri Olsa
2019-06-16 14:03 ` [PATCH 8/8] perf/x86/rapl: Get quirk state " Jiri Olsa
2019-06-25  8:43   ` [tip:perf/core] " tip-bot for Jiri Olsa
  -- strict thread matches above, loose matches on Subject: below --
2019-05-31 12:09 [PATCHv2 0/8] perf/x86: Rework msr probe interface Jiri Olsa
2019-05-31 12:09 ` [PATCH 6/8] perf/x86/rapl: Get msr values from new probe framework Jiri Olsa
2019-05-27 21:51 [PATCH 0/8] perf/x86: Rework msr probe interface Jiri Olsa
2019-05-27 21:51 ` [PATCH 6/8] perf/x86/rapl: Get msr values from new probe framework Jiri Olsa
2019-03-18 18:21 [RFC 0/8] perf/x86: Add msr probe interface Jiri Olsa
2019-03-18 18:21 ` [PATCH 6/8] perf/x86/rapl: Get msr values from new probe framework Jiri Olsa

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