linux-kernel - Re: [RFC][PATCH] extable: Make sure all archs define

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-id: <swfei3t7toj.wl%hirokazu.takata.wj@renesas.com>
Date:	Fri, 20 May 2011 15:49:32 +0900
From:	Hirokazu Takata <takata@...ux-m32r.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Matt Turner <mattst88@...il.com>, linux-alpha@...r.kernel.org,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	linux-m68k@...ts.linux-m68k.org,
	Ralf Baechle <ralf@...ux-mips.org>,
	Kyle McMartin <kyle@...artin.ca>, Helge Deller <deller@....de>,
	"JamesE.J.Bottomley" <jejb@...isc-linux.org>
Subject: Re: [RFC][PATCH] extable: Make sure all archs define _sdata

From: Steven Rostedt <rostedt@...dmis.org>
Subject: [RFC][PATCH] extable: Make sure all archs define _sdata
Date: Thu, 19 May 2011 21:34:58 -0400
> Can I get an Acked-by (or comment) from the following Maintainers:
> 
>   alpha
>   m32r
>   m68k
>   mips
>   parisc
> 
> Ingo has discovered that one of my patches broke the builds of these
> architectures. Although he added a quick fix, this patch supplies the
> proper fix and touches the affected architectures. Please review and Ack
> (or NACK with guidance) this patch.
> 
> -- Steve
> 
> A new utility function is used to determine if a passed in address is
> part of core kernel data or not. It may or may not return true for RO
> data, but this utility must work for RW data. Thus both _sdata and
> _edata must be defined and continuous, without .init sections that may
> later be freed and replaced by volatile memory (memory that can be
> freed).
> 
> This utility function is used to determine if data is safe from ever
> being freed. Thus it should return true for all RW global data that is
> not in a module or has been allocated, or false otherwise.
> 
> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
> ----
>  arch/alpha/kernel/vmlinux.lds.S   |    1 +
>  arch/m32r/kernel/vmlinux.lds.S    |    1 +
>  arch/m68k/kernel/vmlinux-std.lds  |    2 ++
>  arch/m68k/kernel/vmlinux-sun3.lds |    1 +
>  arch/mips/kernel/vmlinux.lds.S    |    1 +
>  arch/parisc/kernel/vmlinux.lds.S  |    3 +++
>  kernel/extable.c                  |   12 +++++++++++-
>  7 files changed, 20 insertions(+), 1 deletion(-)

Acked-by: Hirokazu Takata <takata@...ux-m32r.org>

Thank you.
--
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/