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Date: Tue, 26 Mar 2013 17:37:39 +0530 From: Srikar Dronamraju <srikar@...ux.vnet.ibm.com> To: Ananth N Mavinakayanahalli <ananth@...ibm.com> Cc: lkml <linux-kernel@...r.kernel.org>, oleg@...hat.com, benh@...nel.crashing.org, ppcdev <linuxppc-dev@...ts.ozlabs.org> Subject: Re: [PATCH v2 4/4] uprobes/powerpc: remove additional trap instruction check * Ananth N Mavinakayanahalli <ananth@...ibm.com> [2013-03-22 20:49:46]: > From: Ananth N Mavinakayanahalli <ananth@...ibm.com> > > prepare_uprobe() already checks if the underlying unstruction > (on file) is a trap variant. We don't need to check this again. > > Signed-off-by: Ananth N Mavinakayanahalli <ananth@...ibm.com> Acked-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com> > --- > arch/powerpc/kernel/uprobes.c | 6 ------ > 1 file changed, 6 deletions(-) > > Index: linux-3.9-rc3/arch/powerpc/kernel/uprobes.c > =================================================================== > --- linux-3.9-rc3.orig/arch/powerpc/kernel/uprobes.c > +++ linux-3.9-rc3/arch/powerpc/kernel/uprobes.c > @@ -53,12 +53,6 @@ int arch_uprobe_analyze_insn(struct arch > if (addr & 0x03) > return -EINVAL; > > - /* > - * We currently don't support a uprobe on an already > - * existing breakpoint instruction underneath > - */ > - if (is_trap(auprobe->ainsn)) > - return -ENOTSUPP; > return 0; > } > -- Thanks and Regards Srikar Dronamraju -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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