From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.windriver.com (mail.windriver.com [147.11.1.11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mail.windriver.com", Issuer "Intel External Basic Issuing CA 3A" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 5694FB6FAB for ; Tue, 10 Jan 2012 20:15:08 +1100 (EST) Message-ID: <4F0C01BA.3040302@windriver.com> Date: Tue, 10 Jan 2012 17:15:38 +0800 From: "tiejun.chen" MIME-Version: 1.0 To: Tiejun Chen Subject: Re: [PATCH v2 0/3] ppc32/kprobe: Fix a bug for kprobe stwu r1 References: <1323946810-4868-1-git-send-email-tiejun.chen@windriver.com> In-Reply-To: <1323946810-4868-1-git-send-email-tiejun.chen@windriver.com> Content-Type: text/plain; charset="UTF-8" Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Tiejun Chen wrote: > Changes from V1: > > * use memcpy simply to withdraw copy_exc_stack > * add !(regs->msr & MSR_PR)) and > WARN_ON(test_thread_flag(TIF_EMULATE_STACK_STORE)); > to make sure we're in goot path. > * move this migration process inside 'restore' > * clear TIF flag atomically Ben, Is this series OK? Thanks Tiejun > > Tiejun Chen (3): > powerpc/kprobe: introduce a new thread flag > ppc32/kprobe: complete kprobe and migrate exception frame > ppc32/kprobe: don't emulate store when kprobe stwu r1 > > arch/powerpc/include/asm/thread_info.h | 3 ++ > arch/powerpc/kernel/entry_32.S | 35 ++++++++++++++++++++++++++++++++ > arch/powerpc/lib/sstep.c | 25 +++++++++++++++++++++- > 3 files changed, 61 insertions(+), 2 deletions(-) > > Tiejun