linux-kernel - Re: [GIT PULL] uprobes: more x86 fixes

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Date:	Thu, 22 May 2014 12:14:20 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] uprobes: more x86 fixes


* Oleg Nesterov <oleg@...hat.com> wrote:

> Ingo, please pull from
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc uprobes/core
> 
> Based on tip:perf/uprobes
> 
> 
> Denys found another nasty old bug in uprobes/x86: div, mul, shifts with
> count in CL, and cmpxchg are not handled correctly.
> 
> Plus a couple of other minor fixes. Nobody acked the changes in x86/traps,
> hopefully they are simple enough, and I believe that they make sense anyway
> and allow to do more cleanups.
> 
> Denys Vlasenko (2):
>       uprobes/x86: Simplify rip-relative handling
>       uprobes/x86: Fix scratch register selection for rip-relative fixups
> 
> Oleg Nesterov (8):
>       uprobes: Add mem_cgroup_charge_anon() into uprobe_write_opcode()
>       x86/traps: Make math_error() static
>       x86/traps: Use SEND_SIG_PRIV instead of force_sig()
>       x86/traps: Introduce do_error_trap()
>       x86/traps: Introduce fill_trap_info(), simplify DO_ERROR_INFO()
>       x86/traps: Shift fill_trap_info() from DO_ERROR_INFO() to do_error_trap()
>       x86/traps: Kill DO_ERROR_INFO()
>       uprobes/x86: Fix the wrong ->si_addr when xol triggers a trap
> 
>  arch/x86/include/asm/traps.h   |    1 -
>  arch/x86/include/asm/uprobes.h |    3 -
>  arch/x86/kernel/traps.c        |  110 ++++++++++++---------
>  arch/x86/kernel/uprobes.c      |  213 ++++++++++++++++++++++++++--------------
>  include/linux/uprobes.h        |    4 +
>  kernel/events/uprobes.c        |   33 ++++---
>  6 files changed, 225 insertions(+), 139 deletions(-)

Pulled into tip:perf/uprobes, thanks a lot Oleg!

	Ingo
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