lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri, 18 Jan 2013 14:54:36 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tim Yao <tim.yao@...ogic.com>
Subject: Re: [PATCH v2 56/76] ARC: Unaligned access emulation

On Friday 18 January 2013, Vineet Gupta wrote:
> ARC700 doesn't natively support unaligned access, but can be emulated
> -Unaligned Access Exception
> -Disassembly at the Fault address to find the exact insn (long/short)
> 
> Also per Arnd's comment, we runtime control it using 2 sysctl knobs:
> * SYSCTL_ARCH_UNALIGN_ALLOW: Runtime enable/disble
> * SYSCTL_ARCH_UNALIGN_NO_WARN: Warn on each emulation attempt
> 
> Originally contributed by Tim Yao <tim.yao@...ogic.com>
> 
> Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
> Cc: Tim Yao <tim.yao@...ogic.com>

Acked-by: Arnd Bergmann <arnd@...db.de>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists