From: Andi Kleen <andi@firstfloor.org>
To: Mark Wielaard <mark@klomp.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
linux-toolchains@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@kernel.org>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
"Phillips, Kim" <kim.phillips@amd.com>,
Mark Rutland <mark.rutland@arm.com>,
Andi Kleen <andi@firstfloor.org>,
Masami Hiramatsu <mhiramat@kernel.org>
Subject: Re: Additional debug info to aid cacheline analysis
Date: Thu, 8 Oct 2020 14:23:00 -0700 [thread overview]
Message-ID: <20201008212259.gdhlwdswn5pu4zos@two.firstfloor.org> (raw)
In-Reply-To: <50338de81b34031db8637337f08b89b588476211.camel@klomp.org>
> Basically you simply want to remove this line in the top-level
> Makefile:
>
> DEBUG_CFLAGS := $(call cc-option, -fno-var-tracking-assignments)
It looks like this was needed as a workaround for a gcc bug that was there
from 4.5 to 4.9.
So I guess could disable it for 5.0+ only.
-Andi
next prev parent reply other threads:[~2020-10-08 21:30 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-06 13:17 Additional debug info to aid cacheline analysis Peter Zijlstra
2020-10-06 19:00 ` Arnaldo Carvalho de Melo
2020-10-08 5:58 ` Stephane Eranian
2020-10-08 7:02 ` Peter Zijlstra
2020-10-08 9:32 ` Mark Wielaard
2020-10-08 21:23 ` Andi Kleen [this message]
2020-10-10 20:58 ` Mark Wielaard
2020-10-10 21:51 ` Mark Wielaard
[not found] ` <20201010220712.5352-1-mark@klomp.org>
2020-10-10 22:21 ` [PATCH] Only add -fno-var-tracking-assignments workaround for old GCC versions Ian Rogers
2020-10-12 18:59 ` Nick Desaulniers
2020-10-12 19:12 ` Mark Wielaard
2020-10-14 15:31 ` Sedat Dilek
2020-10-14 11:01 ` Mark Wielaard
2020-10-14 15:17 ` Andi Kleen
2020-10-17 12:01 ` [PATCH V2] " Mark Wielaard
2020-10-19 19:30 ` Nick Desaulniers
2020-10-20 15:27 ` Masahiro Yamada
2020-10-10 22:33 ` [PATCH] " Mark Wielaard
2020-10-11 11:04 ` Additional debug info to aid cacheline analysis Segher Boessenkool
2020-10-11 12:15 ` Florian Weimer
2020-10-11 12:23 ` Mark Wielaard
2020-10-11 12:28 ` Florian Weimer
2020-10-30 5:26 ` Namhyung Kim
2020-10-30 9:16 ` Mark Wielaard
2020-10-30 10:10 ` Peter Zijlstra
2020-11-02 8:27 ` Masami Hiramatsu
2020-11-03 4:22 ` Namhyung Kim
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