linux-kernel - Re: [RESEND PATCH v6 04/10] spmi: pmic-arb: check apid against limits before calling irq handler

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Date:   Wed, 31 Aug 2022 10:40:09 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Fenglin Wu <quic_fenglinw@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     quic_collinsd@...cinc.com, quic_subbaram@...cinc.com,
        quic_fenglinw@...cinc.com, tglx@...utronix.de, maz@...nel.org,
        David Collins <collinsd@...eaurora.org>
Subject: Re: [RESEND PATCH v6 04/10] spmi: pmic-arb: check apid against limits before calling irq handler

Quoting Fenglin Wu (2022-06-11 20:24:40)
> From: David Collins <collinsd@...eaurora.org>
> 
> Check that the apid for an SPMI interrupt falls between the
> min_apid and max_apid that can be handled by the APPS processor
> before invoking the per-apid interrupt handler:
> periph_interrupt().
> 
> This avoids an access violation in rare cases where the status
> bit is set for an interrupt that is not owned by the APPS
> processor.
> 
> Signed-off-by: David Collins <collinsd@...eaurora.org>
> Signed-off-by: Fenglin Wu <quic_fenglinw@...cinc.com>
> ---

Applied to spmi-next