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Date: Thu, 7 May 2015 16:05:16 +0530 From: Srikar Dronamraju <srikar@...ux.vnet.ibm.com> To: Oleg Nesterov <oleg@...hat.com> Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>, Anton Arapov <arapov@...il.com>, David Long <dave.long@...aro.org>, Denys Vlasenko <dvlasenk@...hat.com>, "Frank Ch. Eigler" <fche@...hat.com>, Ingo Molnar <mingo@...nel.org>, Jan Willeke <willeke@...ibm.com>, Jim Keniston <jkenisto@...ibm.com>, Mark Wielaard <mjw@...hat.com>, Pratyush Anand <panand@...hat.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 07/10] uprobes/x86: Introduce arch_uretprobe_is_alive() * Oleg Nesterov <oleg@...hat.com> [2015-05-04 14:49:14]: > Add the x86-specific arch_uretprobe_is_alive() helper and define its > "weak" version for other architectures. > > It returns true if the stack frame mangled by prepare_uretprobe() is > still on stack. So if it returns false, we know that the probed func > has already returned. > > TODO: this assumes that the probed app can't use multiple stacks (say > sigaltstack). We will try to improve this logic later. > > Signed-off-by: Oleg Nesterov <oleg@...hat.com> Looks good to me. Acked-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com> > --- -- 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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