linux-kernel - Re: [PATCH] olpc: fix model detection without OFW

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, 13 Feb 2009 23:19:00 -0500
From:	Andres Salomon <dilinger@...ued.net>
To:	Chris Ball <cjb@...top.org>
Cc:	Harvey Harrison <harvey.harrison@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] olpc: fix model detection without OFW

As discussed on IRC, this has the Dilinger Seal Of Approval (tm).

Acked-by: Andres Salomon <dilinger@...ian.org>



On Fri, 13 Feb 2009 20:56:18 -0500
Chris Ball <cjb@...top.org> wrote:

> Harvey's endianness patch (e51a1ac2dfca9ad869471e88f828281db7e810c0)
> breaks model comparison on OLPC; the value 0xc2 needs to be scaled
> up by olpc_board().  The pre-patch version was wrong, but accidentally
> worked anyway (big-endian 0xc2 is big enough to satisfy all other
> board revisions, but little endian 0xc2 is not).
> 
> Signed-off-by: Chris Ball <cjb@...top.org>
> ---
>  arch/x86/kernel/olpc.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c
> index 7a13fac..4006c52 100644
> --- a/arch/x86/kernel/olpc.c
> +++ b/arch/x86/kernel/olpc.c
> @@ -203,7 +203,7 @@ static void __init platform_detect(void)
>  static void __init platform_detect(void)
>  {
>  	/* stopgap until OFW support is added to the kernel */
> -	olpc_platform_info.boardrev = 0xc2;
> +	olpc_platform_info.boardrev = olpc_board(0xc2);
>  }
>  #endif
>  
--
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/