linux-kernel - Re: [PATCH V2 6/6] arm64: Add uprobe support

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Date:   Mon, 31 Oct 2016 14:34:05 -0600
From:   Catalin Marinas <catalin.marinas@....com>
To:     Pratyush Anand <panand@...hat.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux@....linux.org.uk,
        srikar@...ux.vnet.ibm.com, vijaya.kumar@...iumnetworks.com,
        will.deacon@....com, linux-kernel@...r.kernel.org, oleg@...hat.com,
        dave.long@...aro.org, steve.capper@...aro.org, wcohen@...hat.com
Subject: Re: [PATCH V2 6/6] arm64: Add uprobe support

On Tue, Sep 27, 2016 at 01:18:00PM +0530, Pratyush Anand wrote:
> +int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
> +		unsigned long addr)
> +{
> +	probe_opcode_t insn;
> +
> +	/* TODO: Currently we do not support AARCH32 instruction probing */
> +	if (test_bit(TIF_32BIT, &mm->context.flags))
> +		return -EINVAL;

This should be -ENOTSUPP.

-- 
Catalin