linux-kernel - Re: [PATCH 4/7] uprobes/x86: Kill the "ia32_compat" check in handle_riprel

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Message-ID: <20140403163340.GC4882@linux.vnet.ibm.com>
Date:	Thu, 3 Apr 2014 22:03:40 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	David Long <dave.long@...aro.org>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Jonathan Lebon <jlebon@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/7] uprobes/x86: Kill the "ia32_compat" check in
 handle_riprel_insn(), remove "mm" arg

* Oleg Nesterov <oleg@...hat.com> [2014-03-31 21:44:05]:

> Kill the "mm->context.ia32_compat" check in handle_riprel_insn(), if
> it is true insn_rip_relative() must return false. validate_insn_bits()
> passed "ia32_compat" as !x86_64 to insn_init(), and insn_rip_relative()
> checks insn->x86_64.
> 
> Also, remove the no longer needed "struct mm_struct *mm" argument and
> the unnecessary "return" at the end.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
-- 
Thanks and Regards
Srikar Dronamraju

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