linux-kernel - Re: [PATCH v8 07/26] arm64: ptrace: Provide definitions for PMR values

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Message-ID: <20190114161235.GC84430@arrakis.emea.arm.com>
Date:   Mon, 14 Jan 2019 16:12:36 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Julien Thierry <julien.thierry@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, mark.rutland@....com,
        daniel.thompson@...aro.org, marc.zyngier@....com,
        will.deacon@....com, linux-kernel@...r.kernel.org,
        christoffer.dall@....com, james.morse@....com,
        Oleg Nesterov <oleg@...hat.com>, joel@...lfernandes.org
Subject: Re: [PATCH v8 07/26] arm64: ptrace: Provide definitions for PMR
 values

On Tue, Jan 08, 2019 at 02:07:25PM +0000, Julien Thierry wrote:
> Introduce fixed values for PMR that are going to be used to mask and
> unmask interrupts by priority.
> 
> The current priority given to GIC interrupts is 0xa0, so clearing PMR's
> most significant bit is enough to mask interrupts.
> 
> Signed-off-by: Julien Thierry <julien.thierry@....com>
> Suggested-by: Daniel Thompson <daniel.thompson@...aro.org>
> Cc: Oleg Nesterov <oleg@...hat.com>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will.deacon@....com>

Acked-by: Catalin Marinas <catalin.marinas@....com>