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Re: [PATCH v1 7/10] Uprobes Implementation

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From: Srikar Dronamraju
Subject: Re: [PATCH v1 7/10] Uprobes Implementation
Date: Wednesday, March 24, 2010 - 3:22 am

> Anyway, the patch order looks a bit odd, because user_bkpt uses XOL
user_bkpt provides xol strategy.

user_bkpt_xol patch only provides slot allocation for Execution out of
line strategy.  It doesnt implement execution out of line strategy.
The current implementation assumes that we pass the user_bkpt structure
as an argument while allocating/freeing a slot.

user_bkpt knows how to handle execution out of line. Its working is
independent of how and where the slot is allocated.  The field xol_vaddr
points to a location which holds the copy of the instruction to be
single-stepped/executed.

Hence user_bkpt patch was followed by user_bkpt_xol patch.

--
Thanks and Regards
Srikar

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Messages in current thread:
[PATCH v1 0/10] Uprobes patches., Srikar Dronamraju, (Sat Mar 20, 7:24 am)
[PATCH v1 1/10] Move Macro W to insn.h, Srikar Dronamraju, (Sat Mar 20, 7:25 am)
[PATCH v1 2/10] Move replace_page() to mm/memory.c, Srikar Dronamraju, (Sat Mar 20, 7:25 am)
[PATCH v1 3/10] Enhance replace_page() to support pagecache, Srikar Dronamraju, (Sat Mar 20, 7:25 am)
[PATCH v1 4/10] User Space Breakpoint Assistance Layer, Srikar Dronamraju, (Sat Mar 20, 7:25 am)
[PATCH v1 5/10] X86 details for user space breakpoint assi ..., Srikar Dronamraju, (Sat Mar 20, 7:25 am)
[PATCH v1 6/10] Slot allocation for Execution out of line, Srikar Dronamraju, (Sat Mar 20, 7:26 am)
[PATCH v1 7/10] Uprobes Implementation, Srikar Dronamraju, (Sat Mar 20, 7:26 am)
[PATCH v1 8/10] X86 details for uprobes., Srikar Dronamraju, (Sat Mar 20, 7:26 am)
[PATCH v1 9/10] Uprobes Documentation patch, Srikar Dronamraju, (Sat Mar 20, 7:26 am)
[PATCH v1 10/10] Uprobes samples., Srikar Dronamraju, (Sat Mar 20, 7:26 am)
Re: [PATCH v1 1/10] Move Macro W to insn.h, Masami Hiramatsu, (Sat Mar 20, 8:50 am)
Re: [PATCH v1 9/10] Uprobes Documentation patch, Randy Dunlap, (Sun Mar 21, 8:00 pm)
Re: [PATCH v1 9/10] Uprobes Documentation patch, Srikar Dronamraju, (Sun Mar 21, 10:34 pm)
Re: [PATCH v1 1/10] Move Macro W to insn.h, Srikar Dronamraju, (Sun Mar 21, 11:24 pm)
Re: [PATCH v1 1/10] Move Macro W to insn.h, Masami Hiramatsu, (Mon Mar 22, 7:11 am)
Re: [PATCH v1 9/10] Uprobes Documentation patch, Randy Dunlap, (Mon Mar 22, 7:51 am)
Re: [PATCH v1 0/10] Uprobes patches., Andrew Morton, (Mon Mar 22, 6:38 pm)
Re: [PATCH v1 4/10] User Space Breakpoint Assistance Layer, Andrew Morton, (Mon Mar 22, 6:40 pm)
Re: [PATCH v1 4/10] User Space Breakpoint Assistance Layer, Randy Dunlap, (Mon Mar 22, 9:48 pm)
Re: [PATCH v1 0/10] Uprobes patches., Srikar Dronamraju, (Tue Mar 23, 3:55 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Peter Zijlstra, (Tue Mar 23, 4:01 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Peter Zijlstra, (Tue Mar 23, 4:04 am)
Re: [PATCH v1 4/10] User Space Breakpoint Assistance Layer, Srikar Dronamraju, (Tue Mar 23, 4:26 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Srikar Dronamraju, (Tue Mar 23, 5:23 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Peter Zijlstra, (Tue Mar 23, 6:46 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Masami Hiramatsu, (Tue Mar 23, 7:20 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Ananth N Mavinakayan ..., (Tue Mar 23, 8:05 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Peter Zijlstra, (Tue Mar 23, 8:15 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Peter Zijlstra, (Tue Mar 23, 8:15 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Frank Ch. Eigler, (Tue Mar 23, 8:26 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Masami Hiramatsu, (Tue Mar 23, 10:36 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Ananth N Mavinakayan ..., (Tue Mar 23, 10:59 pm)
Re: [PATCH v1 7/10] Uprobes Implementation, Srikar Dronamraju, (Wed Mar 24, 12:58 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Srikar Dronamraju, (Wed Mar 24, 3:22 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Peter Zijlstra, (Wed Mar 24, 6:00 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Srikar Dronamraju, (Thu Mar 25, 12:56 am)
Re: [PATCH v1 7/10] Uprobes Implementation, Srikar Dronamraju, (Thu Mar 25, 1:41 am)