From mboxrd@z Thu Jan 1 00:00:00 1970 From: oleg@redhat.com (Oleg Nesterov) Date: Fri, 9 Jan 2015 18:45:24 +0100 Subject: [RFC 8/8] ARM64: Add uprobe support In-Reply-To: <54AEC470.50509@redhat.com> References: <0694af6935f9c6873ef8d25ad51630a40a74a116.1420038188.git.panand@redhat.com> <20150108170324.GT11583@arm.com> <54AEC470.50509@redhat.com> Message-ID: <20150109174524.GA13161@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/08, Pratyush Anand wrote: > > On Thursday 08 January 2015 10:33 PM, Will Deacon wrote: >> >> I'm assuming that means you don't support compat (AArch32) tasks with this? > > Hummm.. Yes, compat not yet supported. > > I will come back on this. I obviously do not know how difficult is to support the compat tasks, and in any case I leave this to you and Will. But if this is not simple, perhaps the initial implementation could simply nack the probe in arch_uprobe_analyze_insn() if this mm is not 64-bit. Although I do not see something like is_64bit_mm() in arch/arm64... So may be the first version can even ignore this problem and just document the fact that AArch32 tasks are not supported. Oleg.