linux-kernel - Re: [PATCH RFC 0/5] uprobes: kill xol vma

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Date:	Tue, 29 Nov 2011 19:26:43 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-mm <linux-mm@...ck.org>, Ingo Molnar <mingo@...e.hu>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Roland McGrath <roland@...k.frob.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Anton Arapov <anton@...hat.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	Stephen Wilson <wilsons@...rt.ca>
Subject: Re: [PATCH RFC 0/5] uprobes: kill xol vma

On 11/29, Srikar Dronamraju wrote:
>
> I will apply your patches and test and let you know how it goes. (in a day
> or two).

Thanks! please note that 3/5 is wrong, I sent the updated version.
Or you can add the fix below.

Oleg.

--- a/kernel/uprobes.c
+++ b/kernel/uprobes.c
@@ -1144,7 +1144,7 @@ bool __weak can_skip_xol(struct pt_regs *regs, struct uprobe *u)
 }
 
 static unsigned char
-uprobe_xol_slots[UPROBES_XOL_SLOT_BYTES][NR_CPUS] __page_aligned_bss;
+uprobe_xol_slots[NR_CPUS][UPROBES_XOL_SLOT_BYTES] __page_aligned_bss;
 
 void __weak set_xol_ip(struct pt_regs *regs)
 {

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