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From: hpa@zytor.com (H. Peter Anvin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] use -fstack-protector-strong
Date: Mon, 25 Nov 2013 15:16:54 -0800	[thread overview]
Message-ID: <5293DA66.6050902@zytor.com> (raw)
In-Reply-To: <20131125221400.GA11041@www.outflux.net>

On 11/25/2013 02:14 PM, Kees Cook wrote:
> Build the kernel with -fstack-protector-strong when it is available
> (gcc 4.9 and later). This increases the coverage of the stack protector
> without the heavy performance hit of -fstack-protector-all.

What is the difference between the various options?

	-hpa

WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	x86@kernel.org, Shawn Guo <shawn.guo@linaro.org>,
	Olof Johansson <olofj@chromium.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] use -fstack-protector-strong
Date: Mon, 25 Nov 2013 15:16:54 -0800	[thread overview]
Message-ID: <5293DA66.6050902@zytor.com> (raw)
In-Reply-To: <20131125221400.GA11041@www.outflux.net>

On 11/25/2013 02:14 PM, Kees Cook wrote:
> Build the kernel with -fstack-protector-strong when it is available
> (gcc 4.9 and later). This increases the coverage of the stack protector
> without the heavy performance hit of -fstack-protector-all.

What is the difference between the various options?

	-hpa



  reply	other threads:[~2013-11-25 23:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-25 22:14 [PATCH] use -fstack-protector-strong Kees Cook
2013-11-25 22:14 ` Kees Cook
2013-11-25 23:16 ` H. Peter Anvin [this message]
2013-11-25 23:16   ` H. Peter Anvin
2013-11-25 23:43   ` Kees Cook
2013-11-25 23:43     ` Kees Cook
2013-11-26  4:21     ` Nicolas Pitre
2013-11-26  4:21       ` Nicolas Pitre
2013-11-26 11:19       ` Ingo Molnar
2013-11-26 11:19         ` Ingo Molnar

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