linux-kernel - Re: Re: [PATCH] rtlwifi: rtl8192x: Enabling and disabling hardware interrupts after enabling local irq flags

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Message-ID: <trinity-f818c38b-7cc2-4d89-a960-a1485efa51d4-1484910843965@3capp-gmx-bs36>
Date:   Fri, 20 Jan 2017 12:14:03 +0100
From:   "Lino Sanfilippo" <LinoSanfilippo@....de>
To:     "Larry Finger" <Larry.Finger@...inger.net>
Cc:     "Bharat Kumar Gogada" <bharat.kumar.gogada@...inx.com>,
        chaoming_li@...lsil.com.cn, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, kvalo@...eaurora.org,
        netdev@...r.kernel.org, rgummal@...inx.com,
        "Bharat Kumar Gogada" <bharatku@...inx.com>
Subject: Re: Re: [PATCH] rtlwifi: rtl8192x: Enabling and disabling hardware
 interrupts after enabling local irq flags

Hi,

>
> 
> This patch should be enhanced with the smb_xx() calls as suggested by by Lino.
> 

If you do this, please place the smp_rmb() before the if condition in the irq
handler like

smp_rmb();
if (rtlpci->irq_enabled == 0) {
    return ret;


as I think that the suggestion I made before was not correct (sorry for the
confusion). 

Regards,
Lino