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From: Arnd Bergmann <arnd@arndb.de>
To: changbin.du@intel.com
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>,
	Michal Marek <michal.lkml@markovi.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"the arch/x86 maintainers" <x86@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH 4/5] kernel hacking: new config DEBUG_EXPERIENCE to apply GCC -Og optimization
Date: Wed, 2 May 2018 16:30:21 -0400	[thread overview]
Message-ID: <CAK8P3a0c++Ti_39WPXwwjjmRx+EUozzCVY5Y2qicyEeLop6_6w@mail.gmail.com> (raw)
In-Reply-To: <1525179614-14571-5-git-send-email-changbin.du@intel.com>

On Tue, May 1, 2018 at 9:00 AM,  <changbin.du@intel.com> wrote:
> From: Changbin Du <changbin.du@intel.com>
> +config DEBUG_EXPERIENCE
> +       bool "Optimize for better debugging experience (-Og)"
> +       default n
> +       select NO_AUTO_INLINE
> +       depends on !CC_OPTIMIZE_FOR_SIZE
> +       help

How about having this as another option alongside CC_OPTIMIZE_FOR_SIZE
and CC_OPTIMIZE_FOR_PERFORMANCE in the same choice statement?

We could also add another option for -Os (for faster compiles)  or possibly
for -O3 (if anyone cares) in there.

      Arnd

  parent reply	other threads:[~2018-05-02 20:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-01 13:00 [PATCH 0/5] kernel hacking: GCC optimization for debug experience (-Og) changbin.du
2018-05-01 13:00 ` [PATCH 1/5] x86/mm: surround level4_kernel_pgt with #ifdef CONFIG_X86_5LEVEL...#endif changbin.du
2018-05-01 13:00 ` [PATCH 2/5] regulator: add dummy of_find_regulator_by_node changbin.du
2018-05-01 20:40   ` Mark Brown
2018-05-02  9:24     ` Du, Changbin
2018-05-05  1:44   ` Applied "regulator: add dummy function of_find_regulator_by_node" to the regulator tree Mark Brown
2018-05-01 13:00 ` [PATCH 3/5] kernel hacking: new config NO_AUTO_INLINE to disable compiler atuo-inline optimizations changbin.du
2018-05-01 14:54   ` Steven Rostedt
2018-05-02  9:27     ` Du, Changbin
2018-05-01 13:00 ` [PATCH 4/5] kernel hacking: new config DEBUG_EXPERIENCE to apply GCC -Og optimization changbin.du
2018-05-01 15:25   ` Randy Dunlap
2018-05-02  9:24     ` Du, Changbin
2018-05-02 20:30   ` Arnd Bergmann [this message]
2018-05-01 13:00 ` [PATCH 5/5] asm-generic: fix build error in fix_to_virt with CONFIG_DEBUG_EXPERIENCE changbin.du
2018-05-02  7:33 ` [PATCH 0/5] kernel hacking: GCC optimization for debug experience (-Og) Ingo Molnar
2018-05-02  9:07   ` Du, Changbin
2018-05-02 11:09     ` Ingo Molnar

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