linux-kernel - Re: [PATCH 4.20 12/88] usb: dwc3: gadget: synchronize

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Message-ID: <20190304085350.GA18354@kroah.com>
Date:   Mon, 4 Mar 2019 09:53:50 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "He, Bo" <bo.he@...el.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "Wang, Yu Y" <yu.y.wang@...el.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.20 12/88] usb: dwc3: gadget: synchronize_irq dwc irq in
 suspend

On Mon, Mar 04, 2019 at 08:46:30AM +0000, He, Bo wrote:
> Hi, Greg:
> 	Marek Szyprowski report the patch has issue that calling synchronize_irq() under dwc->lock spinlock, he has upload the below patch for the issue:
> 
> dwc3_gadget_suspend() is called under dwc->lock spinlock. In such context calling synchronize_irq() is not allowed. Move the problematic call out of the protected block to fix the following kernel BUG during system

<snip>

Is this patch in Linus's tree yet?  If so, what is the git commit id?

If not, is this also an issue in 5.0?

thanks,

greg k-h