From: mancha security <mancha1@zoho.com>
To: Pranith Kumar <bobby.prani@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
"H. Peter Anvin" <hpa@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] compiler-intel: fix wrong compiler barrier() macro
Date: Thu, 30 Apr 2015 05:58:48 +0000 [thread overview]
Message-ID: <20150430055848.GC12861@zoho.com> (raw)
In-Reply-To: <CAJhHMCA1eqcvc3Y2j6OZ1DWT-Cz=YOuxBtxC7t=Zu_onmJreAA@mail.gmail.com>
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On Wed, Apr 29, 2015 at 12:40:15PM -0400, Pranith Kumar wrote:
> On Wed, Apr 29, 2015 at 10:59 AM, mancha security <mancha1@zoho.com>
> wrote:
> >
> > The problem is that ICC defines __GNUC__ so barrier() gets defined
> > in compiler-gcc.h. Your commit removed an #undef from
> > compiler-intel.h so compiler.h will never define barrier to
> > __memory_barrier().
> >
>
> OK, I see your point. But, ICC has support for GCC inline assembly. So
> the change does not seem to be making any difference. We are using our
> own asm barrier rather than the inbuilt one provided by ICC.
>
> -- Pranith
Yes, I misspoke earlier and meant to say ECC rather than ICC.
--mancha
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next prev parent reply other threads:[~2015-04-30 5:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-29 14:42 [PATCH] compiler-intel: fix wrong compiler barrier() macro Daniel Borkmann
2015-04-29 14:51 ` Pranith Kumar
2015-04-29 14:59 ` mancha security
2015-04-29 16:40 ` Pranith Kumar
2015-04-29 16:59 ` Daniel Borkmann
2015-04-29 17:17 ` Pranith Kumar
2015-04-30 5:58 ` mancha security [this message]
2015-04-29 15:04 ` Daniel Borkmann
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