From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2
Date: Thu, 02 Nov 2006 07:38:36 +0000 [thread overview]
Message-ID: <000001c6fe51$ead6ce70$bf80030a@amr.corp.intel.com> (raw)
In-Reply-To: <454961EE.4070608@intel.com>
Mao, Bibo wrote on Wednesday, November 01, 2006 7:12 PM
> On IA64 kprobe can not insert trap code on slot 1 because
> opcode of slot 1 crosses over two consecutive 8-bytes. On
> montecito machine 16 bytes atomic operation is avaiable.
> This patch adds ia64_ld16/ia64_st16 instrins in gcc header
> file, implements atomic instr bundle updating by cpu feature.
Let me take a giant step back and ask you a question:
Have you explored all possible avenue of inserting a probe with
only 8-byte write to slot 1 instruction? I think it is doable.
- Ken
next prev parent reply other threads:[~2006-11-02 7:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-02 3:11 [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2 bibo,mao
2006-11-02 3:39 ` Keith Owens
2006-11-02 5:04 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take bibo,mao
2006-11-02 6:51 ` bibo,mao
2006-11-02 7:17 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2 Keith Owens
2006-11-02 7:22 ` Keith Owens
2006-11-02 7:25 ` Keith Owens
2006-11-02 7:27 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take bibo,mao
2006-11-02 7:32 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2 Keith Owens
2006-11-02 7:38 ` Chen, Kenneth W [this message]
2006-11-02 7:45 ` Chen, Kenneth W
2006-11-02 7:52 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take bibo,mao
2006-11-02 8:17 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2 Chen, Kenneth W
2006-11-02 8:56 ` Chen, Kenneth W
2006-11-02 9:05 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take bibo,mao
2006-11-02 9:22 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2 Chen, Kenneth W
2006-11-02 19:50 ` Chen, Kenneth W
2006-11-02 19:57 ` Luck, Tony
2006-11-02 20:29 ` Chen, Kenneth W
2006-11-03 1:25 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take bibo,mao
2006-11-03 1:55 ` [PATCH]IA64 trap code 16 bytes atomic copy on montecito, take 2 Chen, Kenneth W
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