From: Peter Zijlstra <peterz@infradead.org>
To: hpa@zytor.com
Cc: Matthias Kaehlcke <mka@chromium.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, LKML <linux-kernel@vger.kernel.org>,
Manoj Gupta <manojgupta@chromium.org>,
Tiancong Wang <tcwang@chromium.org>,
Stephen Hines <srhines@google.com>,
clang-built-linux@googlegroups.com,
Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: Re: [PATCH] x86/vdso: include generic __lshrdi3 in 32-bit vDSO
Date: Mon, 18 Mar 2019 09:59:16 +0100 [thread overview]
Message-ID: <20190318085916.GH6058@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <33DE9AEF-C51C-4021-97FD-BEE2C5D98DBE@zytor.com>
On Fri, Mar 15, 2019 at 04:18:31PM -0700, hpa@zytor.com wrote:
> Note: it is also probably no reason to use -Os/-Oz for the vdso.
Is anyone actually using -Os and CONFIG_CC_OPTIMIZE_FOR_SIZE ? I've been
staring at compiler output a lot lately and -Os really generates
atrocious crap.
That is, should we just get rid of it?
next prev parent reply other threads:[~2019-03-18 8:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-15 19:54 Matthias Kaehlcke
2019-03-15 21:31 ` Nick Desaulniers
2019-03-15 22:29 ` Matthias Kaehlcke
2019-03-15 23:18 ` hpa
2019-03-18 8:59 ` Peter Zijlstra [this message]
2019-03-18 17:09 ` Nick Desaulniers
2019-03-18 17:16 ` Peter Zijlstra
2019-03-18 20:44 ` Matthias Kaehlcke
2019-03-18 23:03 ` Peter Zijlstra
2019-03-20 14:06 ` Masahiro Yamada
2019-03-20 13:55 ` Masahiro Yamada
2019-03-20 15:45 ` Matthias Kaehlcke
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