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
next prev parent reply other threads:[~2018-05-02 20:30 UTC|newest]
Thread overview: 19+ 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
2018-05-05 1:44 ` Mark Brown
2018-05-05 1:44 ` 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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