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From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: chuck@wolber.net
Cc: Marco Elver <elver@google.com>,
	kasan-dev@googlegroups.com, nathan@kernel.org,
	akpm@linux-foundation.org, anton.ivanov@cambridgegreys.com,
	oberpar@linux.ibm.com, ardb@kernel.org, arnd@arndb.de,
	bhelgaas@google.com, bp@alien8.de, dave.hansen@linux.intel.com,
	dvyukov@google.com, hpa@zytor.com, jinghao7@illinois.edu,
	johannes@sipsolutions.net, jpoimboe@kernel.org,
	justinstitt@google.com, kees@kernel.org,
	kent.overstreet@linux.dev, linux-arch@vger.kernel.org,
	linux-efi@vger.kernel.org, linux-kbuild@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	linux-um@lists.infradead.org, llvm@lists.linux.dev,
	luto@kernel.org, marinov@illinois.edu, masahiroy@kernel.org,
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	mhiramat@kernel.org, mingo@redhat.com, morbo@google.com,
	Nick Desaulniers <ndesaulniers@google.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	richard@nod.at, Steven Rostedt <rostedt@goodmis.org>,
	samitolvanen@google.com, tglx@linutronix.de,
	tingxur@illinois.edu, tyxu@illinois.edu, wentaoz5@illinois.edu,
	x86@kernel.org, peterz@infradead.org,
	Sasha Levin <sashal@kernel.org>,
	Aleksandr Nogikh <nogikh@google.com>,
	Taras Madan <tarasmadan@google.com>,
	Alexander Potapenko <glider@google.com>
Subject: Re: [PROPOSAL] Replace gcov and kcov with llvm-cov
Date: Wed, 07 Oct 2026 02:30:42 +0000	[thread overview]
Message-ID: <20261007023045.04BD71F0089B@smtp.kernel.org> (raw)
In-Reply-To: <41913a77-5c57-4967-8166-765dd5dde1bf@app.fastmail.com>

On Tue, 06 Oct 2026 16:27:11 +0000, Chuck Wolber <chuck@wolber.net> wrote:
> On Tue, Oct 6, 2026, at 4:10 PM, Marco Elver wrote:
> > On Tue, 6 Oct 2026 at 17:14, Chuck Wolber <chuck@wolber.net> wrote:

> >> If there is a desire to take this in pieces or implement other
> >> intermediate steps, let me know. Otherwise I can generate a
> >> monolithic set all at once.
> >>
> >> [1] https://lore.kernel.org/lkml/20240905043245.1389509-1-wentaoz5@illinois.edu/
> >
> > llvm-cov is generally useful to have; llvm-cov is closest to gcov, so
> > that might make sense to replace.
>
> Swapping llvm-cov for gcov to start with is pretty straightforward, so I
> can aim my initial patch set there.

Hmm, is it necessary to remove gcov? Would it be difficult to simply add
support for llvm-cov and enable (make kconfig selectable) one or the other
depending on the compiler?

Thanks,

-- 
Masami Hiramatsu (Google) <mhiramat@kernel.org>

  reply	other threads:[~2026-10-07  2:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-06 15:14 Chuck Wolber
2026-10-06 16:10 ` Marco Elver
2026-10-06 16:27   ` Chuck Wolber
2026-10-07  2:30     ` Masami Hiramatsu [this message]
2026-10-07  4:17       ` Chuck Wolber
2026-10-07  4:50         ` Masami Hiramatsu

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