linux-kernel - Re: [PATCH] PCI: Enable PCIe AER only after checking firmware support

lists.openwall.net		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 linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 20 Feb 2009 13:52:53 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Andrew Patterson <andrew.patterson@...com>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	andrew.patterson@...com
Subject: Re: [PATCH] PCI: Enable PCIe AER only after checking firmware
 support

On Thu, 19 Feb 2009 10:11:07 -0700
Andrew Patterson <andrew.patterson@...com> wrote:

> PCI: Enable PCIe AER only after checking firmware support
> 
> The PCIe port driver currently sets the PCIe AER error reporting bits for
> any root or switch port without first checking to see if firmware will grant
> control. This patch moves setting these bits to the AER service driver
> aer_enable_port routine.  The bits are then set for the root port and any
> downstream switch ports after the check for firmware support (aer_osc_setup)
> is made. The patch also unsets the bits in a similar fashion when the AER
> service driver is unloaded.
> 
> ...
>
> +/**
> + * set_downstream_devices_error_reporting - enable/disable the error reporting
> + * bits on the root port and its downstream ports.

Alas, silly kerneldoc does not permit multi-line titles.  We're forced
to do this:

--- a/drivers/pci/pcie/aer/aerdrv_core.c~pci-enable-pcie-aer-only-after-checking-firmware-support-fix
+++ a/drivers/pci/pcie/aer/aerdrv_core.c
@@ -125,8 +125,7 @@ static void set_device_error_reporting(s
 }
 
 /**
- * set_downstream_devices_error_reporting - enable/disable the error reporting
- * bits on the root port and its downstream ports.
+ * set_downstream_devices_error_reporting - enable/disable the error reporting bits on the root port and its downstream ports.
  * @dev: pointer to root port's pci_dev data structure
  * @enable: true = enable error reporting, false = disable error reporting.
  */
_

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/