uprobes: Pass probed vaddr to arch_uprobe_analyze_insn()
authorAnanth N Mavinakayanahalli <ananth@in.ibm.com>
Fri, 8 Jun 2012 09:32:57 +0000 (15:02 +0530)
committerIngo Molnar <mingo@kernel.org>
Fri, 8 Jun 2012 10:22:27 +0000 (12:22 +0200)
commit7eb9ba5ed312ec6ed9d22259c5da1acb7cf4bd29
treede796c5ae68abfbb951b0c474789848cbcfd788a
parent70ab7003dec58afeae7f5d681dfa309b3a259f03
uprobes: Pass probed vaddr to arch_uprobe_analyze_insn()

On RISC architectures like powerpc, instructions are fixed size.
Instruction analysis on such platforms is just a matter of
(insn % 4). Pass the vaddr at which the uprobe is to be inserted so
that arch_uprobe_analyze_insn() can flag misaligned registration
requests.

Signed-off-by: Ananth N Mavinakaynahalli <ananth@in.ibm.com>
Cc: michael@ellerman.id.au
Cc: antonb@thinktux.localdomain
Cc: Paul Mackerras <paulus@samba.org>
Cc: benh@kernel.crashing.org
Cc: peterz@infradead.org
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: oleg@redhat.com
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/20120608093257.GG13409@in.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/uprobes.h
arch/x86/kernel/uprobes.c
kernel/events/uprobes.c