From: "David S. Miller" <davem@davemloft.net>
To: jkenisto@us.ibm.com
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, ppancham@in.ibm.com,
systemtap@sources.redhat.com
Subject: Re: [PATCH] Fix kprobes handling of simultaneous probe hit/unregister
Date: Wed, 31 Aug 2005 15:27:37 -0700 (PDT) [thread overview]
Message-ID: <20050831.152737.107306011.davem@davemloft.net> (raw)
In-Reply-To: <1125525217.2855.35.camel@localhost.localdomain>
From: Jim Keniston <jkenisto@us.ibm.com>
Date: 31 Aug 2005 14:53:37 -0700
> This bug doesn't exist on ppc64 and ia64, where a breakpoint
> instruction leaves the IP pointing to the beginning of the instruction.
> I don't know about sparc64. (Dave, could you please advise?)
On sparc64 instructions are all 32-bit, 4-byte aligned, and a
breakpoint instruction leaves the PC pointing at the beginning of that
breakpoint instruction.
So I think sparc64 should be OK.
prev parent reply other threads:[~2005-08-31 22:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-31 21:53 Jim Keniston
2005-08-31 22:27 ` David S. Miller [this message]
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