lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 5 Oct 2015 12:03:55 +0200
From:	Joerg Roedel <>
To:	Jiang Liu <>
Cc:	Borislav Petkov <>, Daniel Vetter <>,
	Thomas Gleixner <>,
	Bjorn Helgaas <>,
	Alex Deucher <>,
	Alex Deucher <>,
	Christian K├Ânig <>,
	Maling list - DRI developers 
	lkml <>
Subject: Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577
 drm_helper_choose_encoder_dpms+0x88/0x90() - evildoer found and neutralized

Hi Jiang,

On Sat, Oct 03, 2015 at 03:36:35PM +0800, Jiang Liu wrote:
> So to summary, I think we only need following change to fix the
> regression:
>  int pcibios_alloc_irq(struct pci_dev *dev)
>  {
> +	if (pci_dev_msi_enabled(dev))
> +		return -EBUSY;
> What do you think?

Yes, that works too and has the added benefit that no driver can attach
to the iommu device and get in the way of the driver.

Will you send the patch for this change or should I do it?


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists